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Howard County Master Gardeners "Tried and True" Native Plants Updated Feb.27, 2020

Type plant Latin Name Common Name Exposure Moisture*

*

Bloom Time Size Leaves (E=Evergreen, D=Decidious, SE=Semi-

Evergreen)

Grown By

Annual Bidens polylepis Sunflower

tickseed

Sun M to W Late

summer/fall

1-4' D Reseeds so acts like perennial Steve

Annual Coreopsis tinctoria Golden tickseed Sun to part

shade

M Late spring to

early summer

1-2' D Reseeds so acts like perennial Anne

Annual Impatiens capensis Jewelweed Part to full

shade

M to W Summer 2-5' D Reseeds so acts like perennial Georgia,

Sylvia

Fern Adiantum pedatum Maidenhair fern Part sun to

shade

M n/a 1-2' D Louisa: Needs rich soil (high in calcium, plus

extra magnesium), Eva: One of my favorites!

Holds up even in drought

Natalie, Pat

H., Judy, Eva

Fern Asplenium

platyneuron

Ebony

spleenwort

Part to full

shade

D to M n/a 6-12” E Judy: Prefers rocky locations Judy

Fern Athyrium filix-femina Lady fern Part sun to

shade

M to W n/a 20-30" D Pat H., Judy,

Eva

Fern Dennstaedtia

punctilobula

Hay scented

fern

Part sun to

shade

M n/a 16-24" D Louisa: Totally deer-resistant, spreads,

aggressive.

Sylvia, Steve,

Pat G., Sharon

Fern Dryopteris

intermedia

Intermediate

woodfern

Part to full

shade

M n/a 1-3’ E Judy: Drought tolerant when established Judy

Fern Dryopteris marginalis Marginal

woodfern

Part to full

shade

M n/a 1.5-3’ E Judy: Drought tolerant when established Judy

Fern Matteuccia

struthiopteris

Ostrich fern Sun to

shade

M to W n/a 2-4' D Andie: Spreads everywhere and becomes a

thug, Pat H.: Will take over where happy,

Holly: I like it as groundcover because it

crowds everything else out, Judy: Easy to pull

where unwanted

Betty, Pat H.,

Clare, Holly,

Judy, Eva

Fern Onoclea sensibilis Sensitive fern Shade to

part shade

M-W n/a 10-24" D Pat H.: Will grow in drier areas but more

slowly and is not as lush

Sylvia, Pat H.,

Betty, Judy

Fern Osmunda

cinnamomea

Cinnamon fern Shade to

part shade

M-W n/a 2-5' D Sylvia, Judy

Howard County Master Gardeners "Tried and True" Native Plants Updated Feb.27, 2020 Fern Osmunda regalis Royal fern Sun to light

shade

M to W n/a 2-4' D Natalie, Betty,

Pat H., Andie

Fern Parathelypteris

noveboracensis

New York fern part shade M n/a 16-30" D Louisa: "Burns the candle at both ends" like

New Yorkers, narrows at bottom as well as

top of frond

Sylvia, Pat G.

Fern Polypodium

virginianum

Common

polypody

Part to full

shade

M N/A 6-12” E Judy: In wild usually grows on thin layer of

soil on rocks and walls

Judy

Fern Polystichum

acrostichoides

Christmas fern Shade to

part shade

D to M n/a 8-18" SE Mary: Evergreen groundcover, nothing

bothers it, clumping, loves dry, shady slopes,

Judy: good for preventing erosion, drought

resistant after established, Louisa: Mine

never grew much, evergreen but not very

attractive in winter, gets brown and droops;

Barbara: Nice evergreen, easy to propagate;

Sharon: Planted for erosion control on shady

slope

Sylvia,

Natalie, Pat

H., Andie,

Steve, Pat G.,

Holly, Mary,

Judy, Louisa,

Barbara, Eva,

Sharon

Grass Andropogon gerardii Big bluestem Sun M to D Summer 3-9' D Natalie

Grass Deschampsia

cespitosa

Tufted hair grass Sun to part

sun

M Late spring 12-40" D Natalie

Grass Elymus hystrix

(Hystrix patula)

Bottlebrush

grass

Sun to part

shade

M Summer D Judy: growing from seed 8/13, Louisa: May

grow taller - 6-8'? , great for meadows and in

gardens but I don't know how you contain it,

since it spreads instead of forming clumps

Sylvia, Judy

Grass Panicum virgatum Switchgrass Sun to part

sun

M to D Late summer 3-6' D Mary: Love them all Natalie,

Steve, Mary

Grass Panicum virgatum

'Heavy Metal'

Switchgrass

cultivar

Sun to part

sun

M to D Late

summer/fall

3-6' D Andie: Color fantastic and upright over

winter, Holly: ditto, Mary: Beautiful fall color,

withstands ice and snow

Andie, Holly,

Mary

Grass Panicum virgatum

'Shenandoah'

Switchgrass

cultivar

Sun to part

sun

M to D Late

summer/fall

3-6' D Andie: Color fantastic and upright over

winter, Holly: ditto

Andie, Holly

Grass Schizachyrium

scoparium

Little bluestem Sun to part

shade

M to D Summer to fall 1-4' D Andie: Flops over, sprawls, looks messy, hard

to incorporate into garden, Judy: growing

from seed 8/13, less likely to flop in poor soil,

Louisa: Many cultivars available for specific

purposes

Natalie,

Steve, Judy

Howard County Master Gardeners "Tried and True" Native Plants Updated Feb.27, 2020 Grass Sorghastrum nutans Indiangrass Sun to part

sun

M to D Late summer

and fall

3-5' D Judy: growing from seed 8/13, Louisa: May

grow taller - 6-8'? , great for meadows and in

gardens but I don't know how you contain it,

since it spreads instead of forming clumps

Steve, Judy

Grasslike

(Sedge)

Carex pensylvanica PA sedge Sun to

shade

M to D n/a 6-10" D Natalie, Pat H.

Grasslike

(Sedge)

Carex appalachia Appalachian

sedge

Part to full

shade

D Spring 10-12” D Judy: Drought resistant Judy

Grasslike

(Sedge)

Carex comosa Bristly sedge Sun to part

sun

W n/a 2-4' D Steve

Grasslike

(Sedge)

Carex laxiculmis

'HOBB Bunny Blue'

Bunny Blue'

sedge patented

cultivar

Part shade

to shade

M to W n/a 14-32" D Pat H.

Herbaceous Actaea pachypoda Doll's Eyes Part sun to

shade

M Spring 20-30" D A alba Louisa: Native range is cooler than

our climate

Georgia

Herbaceous Agastache rupestris Sunset hyssop Sun M to D Late

summer/fall

16-24" D Pat: Shrub-like, delicate foliage, long bloom

time, needs good drainage

Pat H.

Herbaceous Amsonia hubrichtii Arkansas

bluestar

Sun to part

sun

M Spring 36" D Eva: Beautiful wispy foliage, nice yellow in fall Eva

Herbaceous Amsonia

tabernaemontana

Eastern

bluestar,

common

bluestar

part sun M Spring 36-40" D Andie: beautiful early spring bloom, attractive

foliage rest of year, Pat G: bright gold fall

foliage, Eva: Love the beautiful blue flowers,

nice plant

Sylvia, Andie,

Pat G., Eva

Herbaceous Anemone virginiana Thimbleweed part sun M Summer 12-30" D Sylvia

Herbaceous Antennaria

plataginifolia

Plantain

pussytoes

Sun to part

sun

M to D Spring 3-6" D A. parlinii ssp. Fallax Natalie: I think this one

is super cute and super easy

Natalie, Anne

Herbaceous Aquilegia canadensis Canada

columbine,

Eastern

columbine

Sun to light

shade

M, Well

drained

Late spring 10-14" D Louisa: A calciphile, indigenous to richer

soils, found on limestone outcrops in

Patapsco Valley State Park; Sharon: Deer

sometimes eat flowers

Georgia, Pat

G, Sylvia,

Betty, Natalie,

Andie, Anne,

Steve, Judy,

Sharon

Howard County Master Gardeners "Tried and True" Native Plants Updated Feb.27, 2020 Herbaceous Arisaema triphllum Jack-in-the-

pulpit

Shade to

part shade

M-W Spring 12-28" D Louisa: Toxic so should be deer-proof,

flowering depends on previous summer's

sunlight: minimal sunlight, no flower; some

sunlight, male flower; more sunlight, female

flower but needs some shade to survive;

Barbara: easy in shade and beautiful, easy to

propagate by laying seed head in moist,

shady area, Eva: Always some coming up

somewhere in my yard

Sylvia, Pat. G.,

Judy, Barbara,

Betty, Eva,

Sharon

Herbaceous Aruncus dioicus Goat's beard Part sun to

shade

M Late spring,

early summer

3-6' D Natalie: Alternative to astilbe, Louisa: Bloom

period 1 week, during which it was always

covered with bugs

Georgia, Pat

H., Sylvia,

Betty, Natalie,

Pat G., Holly,

Natalie,

Louisa

Herbaceous Asarum Canadense Wild ginger Shade to

part shade

M Spring; hidden

by leaves

6-8" D Cathy: slow growing in shade, Judy: Mine

grows fairly quickly, evenly and thickly in

shade, self-seeds but not aggressively,

Barbara: Easy, Eva: Nice groundcover

Georgia, Pat

H., Betty,

Sylvia,

Natalie,

Cathy, Judy,

Barbara, Eva

Herbaceous Asclepias syriaca Common

milkweed

Sun M Summer 3-6' D Barbara: Unruly, but has beautiful rose pink

flowers which are very fragrant. A few plants

perfume my whole ½ acre yard. Pollinators

love it! Monarchs chose to lay eggs on this

over my other varieties of milkweed; Irene: I

grow only for monarchs but plant seeds

everywhere and can become invasive

Irene,

Barbara,

Betty, Anne

Herbaceous Asclepias incarnata Swamp

milkweed

Sun to part

shade

M to W Summer 2-4' D Louisa: Easy and beautiful, though a wetland

plant, flourishes in good garden soil

Georgia, Pat

H., Pat G.,

Holly, Louisa,

Eva

Howard County Master Gardeners "Tried and True" Native Plants Updated Feb.27, 2020 Herbaceous Asclepias tuberosa Butterfly weed Sun to part

sun

D to M,

well

drained

Summer 1-3' D Natalie: Can be temperamental and doesn't

always like where it is planted, Pat H.:

Milkweed tussock moth larvae defoliated a

lot of my 15 plants, most started new growth

from bottom but not attractive in garden!,

Cathy: Seems to be struggling, Pat G.: Self

sows but politely, Holly: Doesn't like to be

transplanted, Louisa: Mine died in clay soil,

said to need clean culture (no mulch) and

perect drainage; Barbara: Finicky unless it is

happy where it’s planted; Sharon: Of two

plants about 18" apart one bloomed then

died, the other survived and produced

numerous seed pods

Georgia,

Sylvia, Pat H.,

Natalie,

Cathy, Anne,

Steve, Pat G.,

Holly, Judy,

Louisa,

Barbara,

Betty, Sharon

Herbaceous Aster cordifolius Blue wood aster See Symphyotrichum cordifolium

Herbaceous Aster divaricatus White wood aster See Eurybia divaricata

Herbaceous Aster laevis Smooth aster See Symphyotrichum laeve

Herbaceous Aster novae-angliae New England

aster

See Symphyotrichum novae-angliae

Herbaceous Baptisia australis Wild indigo,

Blue false indigo

Sun to part

sun

M to D Spring 3-4' D Cathy: One bloomed, other not but lots of

leaves, Holly: Rather unremarkable until they

bloom! Has taken a while, but mine have self-

seeded prolifically! ;Mary: Lovely blue

flowers, attractive leaves and seed pods,no

deer damage, Judy: Very attractive foliage;

Louisa: Calciphile, may not like acidic soils or

clayey soils; Barbara: Easy, beautiful in

bloom, otherwise non descript

Natalie,

Cathy, Anne,

Pat G.,Holly,

Mary, Judy,

Barbara, Eva

Herbaceous Baptisia tinctoria Yellow wild

indigo

Sun to part

sun

M to D Summer 2-3' D Eva

Herbaceous Boltonia asteroides False aster Sun to part

sun

W to D Fall 3-4' D Georgia

Herbaceous Caltha palustris Marsh marigold Sun to part

shade

W Spring 1' D Louisa: Many people misidentify lesser

celandine as marsh marigold, which is much

bigger

Steve

Howard County Master Gardeners "Tried and True" Native Plants Updated Feb.27, 2020 Herbaceous Cardamine

concatenata

Cutleaf

toothwort

Shade M Spring 3-5" D Louisa: Spring ephemeral, all over David

Force Park, exceptionally pretty

Sylvia

Herbaceous Caulophyllum

thalictroides

Blue cohosh Shade M, rich

woods

Spring 2-3' D Louisa: Calciphile. Georgia

Herbaceous Chelone glabra White

turtlehead

Part shade W Late

summer/fall

3' D Cathy: Deer eat flowers, Holly: Has been slow

to establish, I hide mine from deer, Mary:

Deer food, Louisa: Larval host for Baltimore

checkerspot butterfly - if they can find it;

Barbara: This has not thrived for me, the first

batch I bought died out, the plants I have

replanted have survived; Jo Ann: successful in

couryard protected from deer

Sylvia, Cathy,

Anne, Pat G.,

Mary,

Barbara, Jo

Ann, Eva

Herbaceous Chelone lyonii Pink turtlehead Part shade W Late

summer/fall

3' D Barbara: This has thrived for me; Eva: This

native blooms a very long time!

Barbara, Eva

Herbaceous Chelone lyonii 'Hot

Lips'

Pink turtlehead

cultivar

Part shade W Late

summer/fall

3' D Holly: Been slow to establish, I hide mine

from deer; Barbara: This has thrived for me;

Sharon: Blooming in location hopefully

protected from deer

Holly, Betty,

Sharon

Herbaceous Chrysogonum

virginianum

Green and gold Part shade

to shade

M to W Spring, some

rebloom

6-12" SE Mary: Deer like to prune it, but it still blooms,

if not a little lopsided! Judy: Very easy to

grow, can handle some foot traffic; Barbara:

Nice ground cover, a tough plant

Betty, Sylvia,

Natalie, Anne,

Pat H., Mary,

Judy, Barbara,

Jo Ann

Herbaceous Chrysopsis mariana Maryland

golden aster

Sun M to D Late

summer/fall

8-16" D Louisa: Mine died. Sylvia, Louisa

Herbaceous Cimicifuga racemosa Black cohosh or

Black snakeroot

Sun to

shade

M Summer 3-5' D Georgia, Pat

H., Sylvia,

Clare, Natalie,

Eva

Herbaceous Claytonia caroliniana Spring beauty Part shade M Early spring 3-6" D Sylvia

Herbaceous Conoclinium

coelestinum

Mist flower,

Hardy

ageratum, Wild

ageratum

Sun to light

shade

M to W Late summer 2-3' D Cathy: spreads fast, grows wherever it wants,

deer or rabbits eat flower buds; Holly: I love it-

so far has been easy to contain and my

critters don't eat it, Louisa: Exceptionally

pretty

Pat H.. Betty,

Sylvia, Cathy,

Pat G., Holly

Howard County Master Gardeners "Tried and True" Native Plants Updated Feb.27, 2020 Herbaceous Coreopsis lanceolata Lanceleaf

coreopsis

Sun to

shade

D Early summer 12" D Jo Ann

Herbaceous Coreopsis verticillata Threadleaf

coreopsis

Sun to part

sun

M to Mod

D

Summer 12-26" D Mary: one of my most reliable perennials Georgia,

Natalie, Irene,

Betty, Anne,

Holly, Mary,

Jo Ann, Eva

Herbaceous Dentaria laciniata Cutleaf

toothwort

See Cardamine concatenata

Herbaceous Dicentra canadensis Squirrel corn Part to full

shade

M Spring 6-12” D Judy: Spring ephemeral (goes dormant after

bloom)

Judy

Herbaceous Dicentra cucullaria Dutchman’s

breeches

shade M Spring 3-6" D Judy: Spring ephermeral (goes dormant after

bloom); Louisa: Calciphile

Sylvia, Judy

Herbaceous Dicentra eximia Wild bleeding

heart, Fringed

bleeding heart

Sun to

shade

M Late spring to

fall in flushes

12-18" D Louisa: Prefers cooler climate. Pat H: In wet

summers easily seeds and naturalizes

Georgia,

Clare, Eva, Pat

H.

Herbaceous Erigeron pulchellus Robin’s plantain Part sun M Spring 12-18" D Louisa: Not very pretty. Sylvia

Herbaceous Erythronium

americanum

Trout Lily Shade M in

spring

Spring 8-16" D Judy: Spring ephermeral (goes dormant after

bloom); Louisa: Grows around springs,

seeps, streams, needs abundant water

Anne, Pat G.,

Judy

Herbaceous Eupatorium

coelestinum

Mist flower,

Wild ageratum

See Conoclinium coelestinum

Herbaceous Eupatoriadelphus

dubius

Eastern Joe-Pye

weed, coastal

Joe-Pye weed

Sun to part

shade

M Summer 2-5' D Georgia,

Natalie, Anne,

Pat G.


dubium 'Little Joe'

Eastern Joe-Pye

weed cultivar

Sun to part

shade

M Summer 2-5' D Pat H., Betty


fistulosus

Hollow

stemmed Joe-

Pye weed

Sun to part

sun

M to W Late summer 3-8' D Mary: Deer chomp on this but it seems to

continue to bloom, too large and aggressive

for small gardens, Louisa: I grew it from seed

collected from a nearby drainage ditch, and it

flourished, less colorful, taller than E.

maculatum.

Georgia,

Sylvia, Anne,

Steve, Mary,

Louisa

Howard County Master Gardeners "Tried and True" Native Plants Updated Feb.27, 2020 Herbaceous Eupatoriadelphus

purpureum subsp.

maculatum

'Gateway'

Joe-Pye weed

cultivar

Sun to part

sun

M Late summer 4-6' D Barbara: Butterflies love it Barbara

Herbaceous Eupatorium rugosum White snakeroot Sun to light

shade

M Fall 2-4' D Pat H: Pretty delicate white blossoms that last

til frost

Pat H.

Herbaceous Eurybia divaricata White wood

aster

Shade M Fall 1-2' D Cathy: Grows heartily in mostly shade in

spreading wide circle, Louisa: I don't find it

pretty.

Sylvia, Cathy,

Pat G.

Herbaceous Eurybia divaricata

'Eastern Star'

White wood

aster cultivar

Shade M to D Fall 1-2' D Sharon: Grows well in dry, shaded woodland,

deer occasionally eat flowers

Sharon

Herbaceous Gentiana clausa Bottle gentian Part sun to

part shade

M Late summer 1-2' D Eva: Interesting to watch bumblebees going

into closed blue blossoms

Eva

Herbaceous Geranium

maculatum

Wild geranium,

Cranesbill

Sun to light

shade

M at least

in spring

Spring 14-18" D Georgia,

Natalie, Pat

G., Judy, Eva

Herbaceous Goodyera pubescens Downy

rattlesnake

plantain

Part shade D to M Summer 6-18” E Judy: Native orchid Judy

Herbaceous Helenium autumnale Common

sneezeweed

Sun M to W Late

summer/fall

3-5' D Natalie

Herbaceous Helianthus

divaricatus

Woodland

sunflower

Sun to part

shade

D to M Late summer 2-8' D Barbara: Spreads by underground runners,

pretty small sunflower, finches, butterflies

and bees love it

Judy, Barbara

Herbaceous Heliopsis

helianthoides

Oxeye Sun to part

sun

M to D Summer 3-5' D Pat H.: Heavily infested with aphids, survives

and looks better in fall

Georgia, Pat

H., Steve

Herbaceous Heuchera Americana Alumroot Sun to part

shade

M to D Early summer 1-2' D Eva: Not very showy flowers Natalie, Eva

Herbaceous Heuchera villosa Hairy alumroot Part to full

shade

M to D Summer-fall 1-2’ SE Judy: Prefers part shade Judy

Herbaceous Hexastylis virginica Virginia

heartleaf

Part to full

shade

M Spring 3-8” E Judy: Slow-growing groundcover Judy

Herbaceous Hypericum calycinum

'Brigadoon'

Aaron's beard or

St. John's Wort

cultivar

Sun to part

sun

M Late spring to

early sumer

15-18" D Holly: Not thriving, keep moving it Holly

Howard County Master Gardeners "Tried and True" Native Plants Updated Feb.27, 2020 Herbaceous Iris cristata Dwarf Crested

iris (blue &

white)

Part sun to

sun

M Spring 4-8" D Pat H.: Will slowly spread to form

groundcover, Pat G: Likes morning sun but

will burn in afternoon sun

Sylvia, Pat H.,

Pat G., Judy,

Eva

Herbaceous Iris versicolor Blue flag Sun to part

shade

W Late spring 2-3' D Anne, Steve

Herbaceous Liatris pycnostachya Gayfeather,

Prarie blazing

star

Sun to part

sun

M Summer 8-24" D Sylvia

Herbaceous Liatris spicata Marsh blazing

star, Gayfeather

Sun to part

sun

M to W Summer 2-4' D Pat G,: browsed by deer; Barbara: lovely and

reliable, butterflies love it, rabbits chew on it

Natalie, Irene,

Steve, Pat G.,

Betty

Herbaceous Lilium superbum Turk’s cap lily Sun M to W Summer 3-8' D Judy:Roots need well drained but continually

moist soil

Sylvia, Judy

Herbaceous Lobelia cardinalis Cardinal flower Sun to light

shade

M to W Summer 2-4' D Pat H.: Original plant tends to disappear but

self seeds when happy, Andie: Doesn't stay

where you put it, Mary: I can't wait to see

bloom! Once established, it is beautiful and

really lights up the edge of the woods;

Barbara: Easy to propagate by laying ripe

seed head in soil and pinning it, in the spring

there will be a row of new plants., humming

birds and butterflies love it; Sharon: Deer eat

flowers, hummingbirds love it

Pat H., Sylvia,

Andie, Steve,

Pat G.,Holly,

Betty,

Barbara,

Sharon

Herbaceous Lobelia cardinalis

'Queen Victoria'

Cardinal flower

cultivar

Sun to light

shade

M to W Summer 2-4' D Eva: Beautiful purple foliage, red flowers Eva

Herbaceous Lobelia siphilitica Great blue

lobelia

Sun to part

sun

M to W Late summer 2-3' D Pat H.: Dies out if too heavily mulched;

Barbara: Easy to propagate by laying seed

head in soil, beautiful plant, hummingbirds

visit it

Pat H., Sylvia,

Pat G., Judy,

Jo Ann, Eva

Herbaceous Maianthemum

canadense

Canada

mayflower

Part shade M Spring 2-4" D Sylvia

Herbaceous Maianthemum

racemosum ( formerly

Smilacina racemosa)

Solomon’s

plume, false

Solomon’s seal

Part to full

shade

M Spring 1-3’ D Eva: White flowers at tips followed by berries,

will grow in drier soil

Judy, Eva

Howard County Master Gardeners "Tried and True" Native Plants Updated Feb.27, 2020 Herbaceous Matelea decipiens Climbing

milkvine

Sun to

shade

M Late spring 6-10’ D Judy

Herbaceous Meehania cordata Meehan’s mint Part to full

shade

M Late spring 3-6” E Judy: Native to PA & VA (but not MD), prefers

part shade, but can even grow in sun if

consistently moist

Judy

Herbaceous Mertensia virginica Virginia

bluebells

Part sun to

shade

M in

spring

Spring 14-20" D Cathy: Spreading throughout shade garden in

ferns, Judy: Spring ephemeral (goes dormant

after bloom)

Georgia,

Sylvia,

Natalie, Pat

H., Betty,

Cathy, Pat G.,

Holly, Judy,

Barbara

Herbaceous Mitchella repens Partridge berry Part sun to

shade

M to D Spring to

summer

1-2" Ev Mary: Great groundcover, evergreen, takes 1-

2 years to get comfortable, but after that it is

a wonderful addition to the shady area under

trees and bushes

Mary

Herbaceous Monarda didyma Oswego tea,

beebalm

Sun to light

shade

M Summer 3-4' D Natalie: I have never seen the straight species

in this, and maybe that is better since it is

probably too aggressive, but 'Jacob Cline',

'Raspberry Wine', and 'Petite Delight' are

lovely, Judy: I have straight species, bright red

and attracts lots of hummingbirds, powdery

mildew can be a problem

Georgia,

Natalie,

Sylvia, Betty,

Steve, Holly,

Judy

Herbaceous Monarda fistulosa Wild bergamot Sun to part

sun

M Summer 1-3' D Pat H,: Spreads but butterflies love it,

mildews late in season but returns

Pat H., Anne,

Pat G.

Herbaceous Monarda fistulosa

'Claire Grace'

Bee balm, wild

bergamot

cultivar

Sun to part

sun

M Summer 1-3' D Andie: Only monarda that doesn't succumb

to mildew in our garden

Andie

Herbaceous Monarda 'Raspberry

Wine'

Oswego tea,

beebalm cultivar

Sun to light

shade

M Summer 3-4' D Pat H.,Bees and butterflies love it, early

blooms, mildews later in season; Barbara:

Lovely scent

Pat H.,

Barbara

Herbaceous Opunta humifusa Eastern prickly

pear

Sun D Summer 8-14" D Mary: Stunning bright yellow flowers in

June...deer hate it (no surprise)

Mary

Herbaceous Osmorhiza claytonii Sweet Cicely Part to full

shade

M Spring 1-3’ D Judy

Howard County Master Gardeners "Tried and True" Native Plants Updated Feb.27, 2020 Herbaceous Pachysandra

procumbens

Allegheny

spurge

Shade to

part shade

M Spring 6-10" SE Sharon: Have one clump spreading slowly on

dry shady slope

Sylvia, Judy,

Sharon

Herbaceous Packera aurea

(previously Senecio

aureus )

Golden ragwort Sun to

shade

M to D Spring 0.5-2.5’ SE Judy: In full sun requires moist soil, Pat H:

Spreads prolically,beautiful spring show when

planted en masse and naturalized, good

groundcover to compete with weeds

Judy, Pat H

Herbaceous Packera obovata Roundleaf

ragwort

Shade M-W Early spring 1-2' D Sylvia

Herbaceous Panax quinquefolius American

ginseng

Part to full

shade

M Spring 6-18” D Judy

Herbaceous Peltandra virginica Arrow arum Light sun to

light shade

M Spring 2' D Eva: Disappears in heat of summer, returns in

Oct with flush of tropical looking leaves that

stay all winter, head of berries at end of

summer

Eva, Anne

Herbaceous Penstemon digitalis Tall white

beardtongue

Sun to light

shade

M Spring 2-4' D Natalie,

Corliss, Jo Ann

Herbaceous Penstemon smallii Small's

beardtongue

Sun to part

sun

M Spring 2' D Beautiful pale violet flowers, nice seedpods Eva

Herbaceous Persicaria virginiana Tovara, fleece

flower,

jumpseed

Shade to

part shade

M to W Summer-Fall 1-4' D Previously classified Polygonum virginianum

and also Tovara

Marge, Betty,

Judy

Herbaceous Persicaria virginiana

‘Painter’s palette’

Tovara, fleece

flower,

jumpseed

cultivar

Sun to

shade

M Summer-Fall 1-3’ D Judy: Drought tolerant when established, Pat

H.: Spreads prolifically from seed and fairly

aggressively from rhizomes

Judy, Betty,

Pat

Herbaceous Phlox divaricata Wild blue phlox Part sun to

shade

M Spring 12-14" D Louisa: Floodplain plant, needs plenty of

water and probably lime

Georgia, Pat

H., Pat G.

Herbaceous Phlox divaricata 'Blue

Moon'

Wild blue phlox

cultivar

Part sun to

shade

M Spring 12-14" D Beautiful when naturalzied Pat H.

Herbaceous Phlox glaberrima

'Morris Berd'

Smooth phlox

cultivar

Sun to light

shade

M to W Spring 18-24" D Andie: Usually you can find this phlox only as

cultivar 'Morris Berd'

Andie

Herbaceous Phlox paniculata Summer phlox Sun to part

sun

M Mid summer 3-5' D Lisa: Deer often eat buds and flowers; Louisa:

Subject to mildew?

Sylvia, Lisa

Herbaceous Phlox stolonifera Creeping phlox Part to full

shade

M Spring 6-12” SE Eva: Nice groundcover, spreads, blue flowers Eva

Howard County Master Gardeners "Tried and True" Native Plants Updated Feb.27, 2020 Herbaceous Phlox subulata Moss phlox Sun M Spring 2-6" D Louisa: Popular foundation plant; Sharon:

Several clumps among stepping stones along

shaded pathway

Sylvia, Louisa,

Eva, Sharon

Herbaceous Physotegia virginiana Obedient plant Sun to light

shade

Mod D to

W

Late summer 2-5' D Andie: Spreads too much but bees love it, Pat

G. DON'T!!!

Andie, Betty,

Pat G.

(regrettably)

Herbaceous Podophyllum

peltatum

Mayapple Shade to

part shade

M Spring 8-16" D Louisa: Deer love the flowers; Sharon: Mine

are browsed by deer

Sylvia, Anne,

Pat G., Betty,

Judy, Louisa,

Eva, Sharon

Herbaceous Polemonium reptans Jacob's ladder Part to full

shade

M Spring 15-18" SE Eva: Covered with pale blue flowers, spreads Judy, Eva

Herbaceous Polygonatum

biflorum

Solomon’s seal Shade to

part shade

M to W Spring 1-3' D Sylvia, Betty,

Anne, Pat H.,

Pat G., Judy,

Sharon

Herbaceous Polygonatum

commutatum

Giant Solomon's

seal

Part to full

shade

M to W Late spring 3-6.5’ D Previously Polygonatum biflorum var.

commutatum

Judy

Herbaceous Pycnanthemum

tenuifolium

Narrow-leaved

mountain mint

Sun to part

shade

M to D Mid to late

summer

12-18" D Georgia,

Corliss

Herbaceous Rudbeckia fulgida Orange

coneflower

Sun to part

sun

M Mid summer 20-30" D Georgia,

Sylvia,

Natalie, Pat G.

Herbaceous Rudbeckia hirta Black-eyed

Susan

Sun to part

shade

M Summer 2-3' D Lisa: Deer often eat buds and flowers, Mary:

Deer love it, continue to bloom, but not a

pretty sight, Cullina: "Biennial or short-lived

perennial", Louisa: Yes but self-sows (not

aggressively) so acts like a perennial, drought-

tolerant; Sharon: Deer eat buds and young

blossoms

Sylvia,

Natalie, Anne,

Pat. G., Betty,

Lisa, Judy,

Eva, Sharon

Howard County Master Gardeners "Tried and True" Native Plants Updated Feb.27, 2020 Herbaceous Rudbeckia lacinata Green or cutleaf

coneflower

Sun to part

shade

M Summer 3-6' D Pat H.: 8' in rainy summer but thick stems

hold up pretty well, goldfinch like seeds;

Louisa: Indigenous to stream sides; Barbara: 6-

8 feet tall. finches, butterflies and pollinators

love it, likes moist sun, mine did not seed for

the 1st 5 years I had it, then this year I got 5

seedlings.

Natalie, Pat

H., Barbara

Herbaceous Rudbeckia triloba Threee-lobed

coneflower

Sun to part

sun

M Late summer 2-3' D Pat G.: Deer eat this one Natalie, Pat G.

Herbaceous Sanguinaria

Canadensis

Bloodroot Part sun to

shade

M Early spring 9-12" D Judy: If mild winter can bloom before spring,

my first herbaceous flower, Louisa: One of

the earliest natives to bloom, handsome

foliage lasts till late summer, Pat H. Foliage

does not last through summer if conditions

too dry but does in moist soil, Eva: Beautiful

white blossoms pop up everywhere,

interesting leaf shape

Georgia,

Sylvia, Pat H.,

Betty, Anne,

Pat G., Judy,

Eva

Herbaceous Sedum telephoides Allegheny

stonecrop, Wild

live-forever

Sun to part

sun

M, well

drained

Late

summer/fall

8-16" E Mary: Does well in dry shade, good ground

cover

Mary

Herbaceous Sedum ternatum Mountain

stonecrop, Wild

stonecrop

Sun to

shade

M, Well

drained

Late spring 4-8" SE Cullina: "One of most shade-tolerant native

sedums", Louisa: Needs shade with plenty of

moisture, very pretty, not a spreader, Eva:

love it in the woodland garden

Natalie, Judy,

Louisa, Eva

Herbaceous Senna marilandica Maryland senna,

Southern wild

senna

Sun to part

shade

M to Mod

dry

Summer 3-7' D Mary: Not one of my favorites, but a pretty

yellow flower in late summer and attractive

leaves, no deer problem, weedy, not for the

small garden

Mary

Herbaceous Silene caroliniana Wild pink Sun to part

sun

M to D Late Spring 4-8" SE Louisa: Flowers quite small. Natalie

Herbaceous Silene virginica Fire pink Sun to part

shade

M Well

drained

Summer 8-14" D Natalie

Howard County Master Gardeners "Tried and True" Native Plants Updated Feb.27, 2020 Herbaceous Sisyrinchium

angustifolium

Blue-eyed grass Sun M Spring 10-20" D Cathy: Gows easily in spring but gets scruffy

by mid-summer, Louisa: A tiny iris, foliage

grasslike, flops after it blooms so don't think

of it as a substitute for turf grass

Cathy, Anne,

Pat H., Steve,

Judy, Louisa,

Sharon

Herbaceous Solidagao caesia Blue-stemmed

goldenrod,

Wreath

goldenrod

Sun to

shade

M to D Fall 16-50" D Louisa: Delicately pretty woodland

goldenrod, Corliss: Arches in semi-shade,

beautiful combined with Conoclinium

coelestinum

Georgia,

Sylvia

Herbaceous Solidago canadensis Canada

goldenrod

Sun to part

shade

M to D Fall 3-6' D Louisa: Tall, weedy looking Cathy

Herbaceous Solidago nemoralis Gray goldenrod Sun to part

shade

D Summer-Fall 12-36" D Holly

Herbaceous Solidago odora Sweet

goldenrod

Part sun M Early fall 2-5' D Sylvia, Natalie

Herbaceous Solidago rigida Stiff goldenrod Sun to part

sun

M to D Fall 2-5' D Natalie

Herbaceous Spigelia marilandica Indian pink Part sun to

light shade

M Summer 12-18" D Andie: slow to establish but worth the wait;

Eva: amazing blossoms, blooms again in

August

Sylvia, Andie,

Eva

Herbaceous Stylophorum

diphyllum

Celadine poppy Part sun to

shade

M Spring 12-20" D Pat H. When happy can be aggressive, Do not

confuse with Lesser celadine (Ficaria verna -

previously Ranunculus ficaria L ) which is

invasive

Pat H., Betty,

Clare, Pat G.,

Judy, Barbara,

Eva

Herbaceous Symphyotrichum

cordifolium

Heart-leaved

aster, Blue

wood aster

Sun to

shade

M to D Fall 2-3' D Louisa: One of my favorites, love those heart-

shaped leaves.

Pat H., Sylvia,

Louisa


laeve

Smooth aster Sun to part

sun

M to D Fall 1-3' D Louisa: One of the prettiest native asters Natalie


novae-angliae

New England

aster

Sun to part

sun

M Fall 2-6' D Holly: Groundhogs or deer like mine, Louisa:

Another favorite aster, long bloom period

early to mid-fall, I prefer it to New York aster;

Barbara: Butterfly attractant

Natalie, Pat

H., Pat G.,

Louisa,

Barbara

Herbaceous Thalictrum

pubescens

(polygamum)

Tall meadow rue Part shade Wet Summer 3-10' D Louisa: Woodland wildflower, flowers are

green, not showy.

Sylvia

Howard County Master Gardeners "Tried and True" Native Plants Updated Feb.27, 2020 Herbaceous Tiarella cordifolia Foam flower Shade M Spring 3-10" D Andie: beautiful foliage, pollinators love it in

bloom but spreads, Louisa: Running and non-

running forms are available; Barbara: Nice as

an edge plant, pretty flowers in spring

Sylvia,

Natalie,

Andie, Anne,

Pat G.

Herbaceous Tiarella 'Brandywine' Foam flower

cultivar

Shade M Spring 3-10" E Pat H.:Clumping Pat H.

Herbaceous Tiarella cordifolia

'Pink Skyrocket'

Foam flower

cultivar

Shade M Spring 3-10" E Eva

Herbaceous Tiarella cordifolia

'Running Tapestry'

Foam flower

cultivar

Shade M Spring 3-10" E Pat H.: spreads where happy, even competes

with vinca minor

Pat H.

Herbaceous Tradescantia

virginiana

Virginia

spiderwort

Sun to

shade

M Spring 1-2' D Andie: Gets messy after bloom; Betty: Cut

back after bloom for fall rebloom; Holly: Mine

spreads everywhere but easy to pull out;

Barbara: Nice purple flower

Andie, Betty,

Anne, Holly,

Barbara, Jo

Ann, Eva

Herbaceous Tradescantia

virginiana 'Sweet

Kate'

Virginia

spiderwort

cultivar

Sun to

shade

M Spring 1-2' D Eva: Lime green cultivar Eva

Herbaceous Trillium sessile Toadshade,

Wake robin

Light shade M Spring 6-14" D Pat G., Judy,

Eva

Herbaceous Trillum grandiflorum White trillum Part sun to

light shade

M Spring 8-20" D Andie: slow to establish, Louisa: Make sure

you're not buying wild-collected plants, which

won't survive.

Andie, Anne

Herbaceous Trillum luteum Yellow trillium,

yellow

toadshade

Light shade M Spring 6-14" D Andie: Slow to establish, Louisa: Make sure

you're not buying wild-collected plants, which

won't survive.

Andie, Eva

Herbaceous Uvularia perfoliata Bellwort,

Merrybells

Light shade Rich,

moist

Early spring 6"-20" D Eva: Does well in dry soil once established,

spreads

Eva, Pat H.

Herbaceous Vernonia fasciculata Smooth

ironweed

Sun M to W Late summer 3-5' D Andie: Gets tall, breaks in storms if not staked Andie

Herbaceous Vernonia

noveboracensis

New York

ironweed

Sun to part

sun

M to W Late summer 4-8' D Andie: Gets tall, breaks in storms if not

staked, Louisa: Height may depend on soil

moisture, indigenous to stream banks;

Barbara: Unruly but attracts lots of

butterflies, reseeds easily

Georgia,

Natalie,

Andie, Louisa,

Barbara

Herbaceous Veronicastrum

virginicum

Culver's root Sun to part

sun

M Mid to late

summer

3-6' D Eva: Blooms a long time, have to stake mine Pat H., Eva

Howard County Master Gardeners "Tried and True" Native Plants Updated Feb.27, 2020 Herbaceous Viola sororia Common blue

violet

Sun to

shade

M Spring 8-18" D Sylvia: I allow some all over the place; all

conditions, Cathy: blooms and spreads

throughout yard, I pull some and leave some.

Louisa: blooms in mild weather, leaves may

disappear in very cold as well as very hot

weather, but plant survives almost anything;

Sharon: Spreads throughout yard, can easily

pull those not wanted

Sylvia, Cathy,

Pat H., Sharon

Herbaceous Zizia aurea Golden

Alexanders

Sun to light

shade

M to W Spring 1-3' D Louisa: Lovely but hard to find in the wild,

hard to grow?

Steve

Shrub Aesculum parviflora Bottle brush

buckeye

Sun to part

shade

M Summer 8' D Eva: Gets 10' wide, erect white blossoms,

palmately large leaves

Eva

Shrub Aronia arbutifolia Red chokeberry Part sun to

sun

W to D Spring 5-10' D Holly: Don't think mine gets enough light,

took several years to bloom and berry. Deer

like to use to rub their antlers in fall; Louisa:

Mine grew very slowly in light shade.

Holly, Louisa,

Eva

Shrub Aronia arbutifolia

‘Brilliantissima’

Red chokeberry

cultivar

Part sun to

sun

W to D Spring 5-10' D Steve

Shrub Callicarpa americana American

beautyberry

Part sun to

sun

M Summer 3-8' D Louisa: Non-native often substituted by

growers

Georgia, Pat

G., Holly

Shrub Calycanthus floridus Sweetshrub,

Carolina allspice

Light shade

to sun

M to D Late spring to

summer

4-10' D Louisa: Leaves are aromatic when you brush

by them; should be quite deer resistant, in

sunny locations will be covered dark-red

flowers, gorgeous; Barbara: the wet year of

2013 the flowers were mildew spotted; Eva:

Nice hedge for privacy but takes frequent

pruning to look nice, suckers can be

troublesome

Andie, Irene,

Louisa,

Barbara, Eva

Shrub Ceanothus

americanus

New Jersey tea Part sun to

sun

Well

drained

Summer 2-3' D Natalie: Small and lovely; Mary: Beautiful but

deer love it, Louisa: Should be drought-

tolerant

Natalie,

Corliss, Mary,

Barbara, Pat

H.Shrub Cephalanthus

occidentalis

Buttonbush Part sun M-W Summer 3-8' D Louisa: Great butterfly nectar plant but odd-

looking.

Sylvia

Shrub Clethra alnifolia Summersweet Sun to light

shade

M to W Summer D Mary: Hummingbirds visit frequently, reliable

plant; Louisa: In MD indigenous to Coastal

Plain, not Piedmont.

Georgia, Pat

H., Sylvia,

Steve, Mary

Howard County Master Gardeners "Tried and True" Native Plants Updated Feb.27, 2020 Shrub Clethra alnifolia

‘Sixteen Candles’

Summersweet

cultivar

Sun to part

shade

M to W Summer 3-8’ D Judy: Prefers organic soil in part shade, long

bloom season., ‘Sixteen Candles’ is dwarf

cultivar

Judy

Shrub Clethra alnifolia

'Hummingbird'

Summersweet

cultivar

Sun to light

shade

M to W Summer D Pat G.: It is shorter Pat G., Eva

Shrub Clethra alnifolia

'Ruby Spice'

Summersweet

cultivar

Sun to light

shade

M to W Summer D Pat H.: Covered with pollinators in July,

dependable, very fragrant pink flowers

Pat H.

Shrub Comptonia peregrine Sweetfern Part shade

to sun

D Spring (insignif.) 2-4' D Natalie: LOVE this one; U of Conn: not easy to

find, good for erosion control

Natalie

Shrub Fothergilla gardenii Dwarf

fothergilla

Sun to light

shade

M to Mod

W

Spring 3-6' D Judy: Not native to MD, native to

southeastern U.S.; Barbara: Died after 2

years, Pat H.: Beautiful apricot fall color

Pat H., Anne,

Barbara

Shrub Hamamelis

virginiana

Witch hazel Part shade M Fall 8-20' D Pat G.: Good for bees in February Sylvia, Pat H.,

Steve, Pat G,

Holly, Sharon

Shrub Hydrangea

arborescens

Smooth

hydrangea

Part sun to

shade

M Summer 2-4' D Natalie: Nearly impossible to find straight

species, Louisa: Needs abundant moisture

and lime

Natalie

Shrub Hydrangea

arborescens

'Annabelle'

Smooth

hydrangea

cultivar

Part sun to

shade

M Summer 2-4' D Barbara: Lovely plant Pat H.,

Barbara

Shrub Hydrangea

quercifolia

Oakleaf

hydrangea

Sun to light

shade

M to Mod

D

Summer 3-10' D Judy: Not native to MD, native to

southeastern U.S., Louisa: like all hydrangeas,

not attractive in winter; Eva: one of my

favorite shrubs, beautiful all four seasons, Pat

H.: needs deer protection when young

Sylvia, Pat H.,

Betty, Andie,

Pat G.,

Barbara, Eva

Shrub Iilex laevigata Smooth

winterberry

Sun to part

sun

W Late spring to

early summer

10-12' D Mary: Neighbor's trees that I get to

appreciate, gorgeous winter sight, deciduous

with stunning red berries, the last berry the

birds eat in the winter

Mary

Howard County Master Gardeners "Tried and True" Native Plants Updated Feb.27, 2020 Shrub Ilex glabra Inkberry Sun to part

sun

W to Mod

D

Late spring 3-6' E Natalie: If space is limited 'Compacta' or

'Shamrock' cultviars less leggy and smaller

than species Pat H.: need male and female to

produce berries, species gets very leggy as

they age, Mary: No noticeable deer damage,

very adaptable plant, likes to be pruned to

keep it full, Eastern Bluebirds raid it in the

winter for the berries, Judy: Straight species

and most cultivars tend to get leggy; Pat H: In

2013 MG survey 8 other Master Gardeners

reported succesfully growing this, 4 had

negative experience, some had major

problems with deer, others not,

Natalie, Pat

G.,Lisa, Mary

Shrub Ilex glabra 'Densa' Inkberry cultivar Sun to part

sun

W to Mod

D

Late spring 3-6' E Holly: Planted as part of foundation planting;

so far no complaints, Clare: I had them for a

decade or so, but finally pulled them as they

were a disappointment, anything but dense!

Holly, Clare

Shrub Ilex glabra

'Shamrock'

Inkberry cultivar Sun to part

sun

W to Mod

D

Late spring 3-6' E Barbara: Easy to grow, slow growing; Pat H: In

2013 Master Gardener survey several MG

growing this, some had trouble with deer

damage, especially when newly planted;

Sharon: Have three, all struggling, occasional

deer damage

Mary,

Barbara,

Sharon

Shrub Ilex verticillilla Winterberry Sun to part

shade

M to W Spring 6-10' D Andie: Can be pruned into small tree,

pollinators love it

Sylvia, Andie,

Steve, Pat G.,

Holly

Shrub Ilex verticillilla 'Jim

Dandy'

Winterberry-

male cultivar

Sun to part

shade

M Spring 6-8' D Eva: Cultivar that pollinates Red Sprite, plain

shrub

Eva

Shrub Ilex verticillilla 'Red

Sprite'

Winterberry-

female cultivar

Sun to part

shade

M to W Spring 3' D Eva: full of red berries in the fall, needs Jim

Dandy male cultivar

Eva

Shrub Ilex verticillilla

'Southern Gentleman'

Winterberry-

male cultivar

Sun to part

shade

M to W Spring 6-10' D Pat H,: Good male cultivar for 'Winter Red' Pat H.

Shrub Ilex verticillilla

'Winter Red'

Winterberry-

female cultivar

Sun to part

shade

M to W Spring 6-10' D Pat H.:Set abundant berries first year planted

with male 'Southern Gentleman"

Pat H.

Howard County Master Gardeners "Tried and True" Native Plants Updated Feb.27, 2020 Shrub Itea virginiana Virginia

sweetspire

Sun to light

shade

W to Mod

D

Spring 3-5' D Pat H.: Dependable,easy Pat H., Betty,

Corliss,

Natalie, CathyShrub Itea virginiana

'Henry's Garnet'

Virginia

sweetspire

cultivar

Sun to light

shade

W to Mod

D

Spring 3-4' D Eva: Three seasons of interest, suckers can be

troublesome

Eva

Shrub Itea virginiana

'Merlot'

Virginia

sweetspire

cultivar

Sun to light

shade

W to Mod

D

Spring 3-4' D Holly: Several season interest, I love it Holly

Shrub Juniperus communis

‘Blueberry Delight’

Common juniper

cultivar

Sun D to M N/A 15-24” E Judy: Dioecious female cultivar; needs male

for berries. Drought tolerant

Judy

Shrub Kalmia angustifolia Sheep laurel shade M Late spring to

summer

16-38" E Judy: Likes acidic soil, difficult to grow if

conditions are not ideal, Louisa: limited to

very special conditions in the wild

Sylvia

Shrub Leucothoe axillaris Coast leucothoe Part sun to

shade

M to Mod

D

Spring 3-4' E Pat H.

Shrub Leucothoe

fontanesiana

Drooping

leucothoe

Part to full

shade

M Late spring 3-6’ E Judy: Somewhat fussy, prefers moist, organic,

well drained acid soil in partial shade

Judy

Shrub Lindera benzoin Spicebush Part sun to

shade

M to W Spring 6-12' D Louisa: Very deer-resistant, foliage aromatic

when you rub it, first native shrub to bloom

in spring, Pat H. I have found needs to be

protected from deer when first planted

although reputation is that it is VERY deer

resistant

Pat H., Sylvia,

Natalie, Pat

G., Holly,

Judy, Louisa,

Barbara, Eva

Shrub Photinia

melanocarpa

Black

chokeberry

Part sun to

sun

W to D Spring 3-8' D Formerly Aronia melanocarpa Natalie

Shrub Physocarpus

oplifolius

Eastern

ninebark,

ninebark

Sun to light

shade


summer

6-12' D Pat H., Steve,

Sharon

Shrub Physocarpus

oplifolius 'Diablo'

Ninebark

cultivar

Sun to light

shade


summer

6-12' D Andie: Ours died from mildew but worth it

while it lasted

Clare, Andie

Shrub Physocarpus

oplifolius 'Mindia'

COPPERTINA

Ninebark

patented

cultivar ('Dart's

Gold' X 'Monlo'

Diablo)

Sun D Spring 5' D Holly: Beautiful blooms, lovely burgandy

color; Mary: Tri-colored leaves, burgundy

stems, pink blooms, yellow flowers, deer will

prune it some, my favorite bush/tree

Holly, Mary,

Judy

Howard County Master Gardeners "Tried and True" Native Plants Updated Feb.27, 2020 Shrub Physocarpus

opulifolius ‘Golden

Nugget’

Ninebark

cultivar

Sun to part

shade

M to D Spring-summer 6’ D Judy

Shrub Pieris floribunda Fetterbush Shade M Early spring 2-4' E Sylvia

Shrub Rhododendron

catawbiense

Catawba

rhododendron

Partial

shade to

sun

M to D Spring 6-20’ E Judy: Native to VA, not MD Judy

Shrub Rhododendron

maximum

Rosebay, Great

Laurel

Part shade M Early summer 6-10' E Louisa: Native range is cooler, yet I've seen it

in gardens in DC.

Sylvia

Shrub Rhododendron

periclymenoides

Pinxterbloom Sun to light

shade

M Spring 3-8' Andie: Couldn't keep it alive after two

expensive tries, Pat G.:DITTO; Louisa: Needs

very acidic soil, deer love it

Sylvia,

Natalie,

Louisa

Shrub Rhus aromatica Fragrant sumac Sun to part

sun

M to D Spring 3-6' D Cullina: "Good for bank stabilization", Louisa:

Calciphile indigenous to western MD, but I've

seen it thriving in gardens here, looks very

much like poison ivy.

Natalie, Steve

Shrub Rubus odoratus Purple flowering

raspberry

Part shade M Summer 3-6' D Louisa: Indigenous to a cooler climate but

saw one flourishing in Carroll Co.

Sylvia

Shrub Symphoricarpos

orbiculatus

Coralberry Sun to part

shade

M to D Summer 2-5' D Eva: Nice crimson berries in the winter along

stems, wildlife love it, suckers

Eva

Shrub Vaccinium

angustifolium

Lowbush

blueberry

Sun to light

shade

M to D,

well

drained

Spring 8-24" D Louisa: This is not our native wild low

blueberry, which is V. pallidum fmly. V.

vacillans.

Georgia,

Sylvia, Louisa

Shrub Vaccinium

angustifolium 'North

County'

Lowbush

blueberry

Sun to light

shade

M to D,

well

drained

Spring 8-24" D Pat H.

Shrub Vaccinium

corymbosum

Highbush

blueberry

Sun to part

sun

D Spring 5' D Holly: Takes a couple of years to produce,

beautiful fall color, need several to cross-

pollinate for better yield

Holly, Barbara

Shrub Viburnum acerifolium Mapleleaf

viburnum

Shade M Late spring 3-6' D Louisa: In the woods this shrub rarely gets big

- just one stem with a few leaves, great fall

color though.

Sylvia,

Natalie,

Barbara

Shrub Viburnum dentatum Southern

arrowwood

Sun to light

shade

M to dry Late spring 6-12' D Louisa: Great fall color Natalie, Pat

G., HollyShrub Viburnum dentatum

‘Blue Muffin’

Southern

arrowwood

cultivar

Sun to part

shade

D to W Late spring 5-7’ D Judy: Chicago Lustre together with Blue

Muffin flowers more, prefers moist soil, but

adaptable from dry to wet soil

Judy, Pat H.

Shrub Viburnum dentatum

’Chicago Lustre’

Southern

arrowwood

cultivar

Sun to part

shade

D to W Late spring 10-12’ D Judy: Chicago Lustre together with Blue

Muffin flowers more, prefers moist soil, but

adaptable from dry to wet soil

Judy

Howard County Master Gardeners "Tried and True" Native Plants Updated Feb.27, 2020 Shrub Viburnum nudum Possum haw Sun to light

shade

W to Mod

Dry

Spring 6-12' D Louisa: Indigenous only to coastal plain in

MD.

Pat H., Natalie

Shrub Viburnum nudum

'Winterthur'

Possum haw

cultivar

Sun to light

shade

M Spring 6-8' D Pat H: No berries until I planted straight

species Viburnum nudum , Eva: love the shiny

leaves!

Holly, Pat H.,

Eva

Shrub Viburnum opulus var

americanum

trilobum

American

cranberrybush

Sun, part

sun

M to W Late spring, e

summer

5-15' D Louisa: Indigenous to mountains in MD Pat H., Clare,

Louisa

Shrub Viburnum

prunifolium

Black haw Sun to light

shade

W Early spring 8-15' D Louisa: Highly recommended, great flowers,

fall color, interesting bark, small tree

Sylvia, Pat H.,

Steve, Louisa

Tree Acer rubrum Red maple Sun to light

shade

W to D,

prefers

moist

Spring 40-75' D Andie: Only disadvantage is prolific seeding,

Louisa: many cultivars available

Andie, Anne,

Pat H.,Holly,

Judy, Sharon

Tree Acer saccharum Sugar maple Sun to light

shade

M Spring 60-80' D Sharon

Tree Amelanchier arborea Downy

serviceberry

Part shade

to sun

M to D Early spring 20-30' D Needs well drained soil Natalie, Steve

Tree Amelanchier

canadensis

Canada

serviceberry or

Shadbush

Part shade

to sun

W to Mod

D

Early spring 10-20' D Pat G.: Unsure which serviceberry I have--

came from Howard County native tree

giveaway, Pat H. mine slow to establish,

Louisa: Growers often confuse them

Natalie,

Cathy, Anne,

Pat H.

Tree Amelanchier laevis Allegheny

serviceberry

Part shade

to sun

M to D Early spring 25-40' D Natalie, Eva

Tree Asimina triloba Paw paw Part shade

to sun

M fertile Spring 8-25' D Natalie: One of my favorites Pat H.: Need

two for pollination; Louisa: Totally deer-

resistant (except fruits!), may sucker;

Barbara: Have had several years, so far no

zebra swallowtail activity, no fruit either but

so far only one bloomed

Natalie,

Louisa,

Barbara

Tree Betula nigra River birch Sun to part

shade

M to W n/a 60-80' D Holly: Has all-season interest, high wildlife

value, but can be messy with twigs and self-

seeds prolifically in mulch; Lisa: Lovely

clumped tree, loves wet feet, great for swales

to absorb runoff

Andie, Pat H.,

Pat G., Holly,

Lisa

Howard County Master Gardeners "Tried and True" Native Plants Updated Feb.27, 2020 Tree Carpinus caroliniana American

hornbeam,

Musclewood

Part shade

to shade

M to W Late spring 15-20' D Louisa: Beautiful bark and form, Pat H. slow

grwoing understory tree.

Pat H., Judy,

Eva, Sharon

Tree Carya glabra Pignut hickory Sun to part

shade

D to M Spring 50-60’ D Judy

Tree Carya ovata Shagbark

hickory

Part sun to

sun

M to Mod

D

Spring 70-100' D Louisa: Indigenous to cooler climate. Our

local shaggy native is C. ovalis, not as shaggy,

grows in moist shade. C. alba imost

adaptable; use C. glabra in dry soil and C.

cordiformis in wetter areas

Natalie

Tree Cercis canadensis Eastern red bud Sun M Early to late

spring

12-25' D Andie: Bees love it in spring, Cathy: Growing

fast in shade to some sun, Louisa: Tolerates

high pH, e.g. can grow in regularly limed lawn

Natalie, Pat

H., Betty,

Andie, Cathy,

Anne, Pat G.,

SharonTree Cercis canadensis

'Forest Pansy"

Eastern red bud

cultivar

Sun M Early to late

spring

12-25' D Eva: beautiful purple foilage that turns green

later in the season

Eva

Tree Chionanthus

virginicus

Fringetree Part shade

to sun

W to Mod

D

Late spring 10-20' D Lisa: Lovely, mature trees already on

property, Louisa: Our MOST BEAUTIFUL

native tree; highly fragrant, too, dioecious

both sexes produce beautiful flowers, need

both for pollination if you want fruit (purple

olives, not edible) but most people don't

care.

Natalie, Anne,

Betty, Lisa,

Louisa

Tree Cornus alternifolia Pagoda

dogwood

Sun to part

shade

M to W Late spring 10-25' D Louisa: Calciphile, needs moist shade,

doesn't seem to get anthracnose; Barbara:

This is the first year it bloomed, pretty white

flowers, birds ate all the berries as soon as

they were ripe

Natalie,

Barbara

Tree Cornus florida Flowering

dogwood

Sun to part

shade

M Spring 12-20' D Lisa: Our mature trees succumbing to

anthracnose, Pat H. Ditto, Louisa: New

anthracnose-resistant cultivar 'Appalachian

Spring' - found healthy amid thousands of

dead dogwoods on Catoctin Mtn.

Unfortunately not tolerant of urban

heat/sun.

Natalie, Pat

H., Andie,

Anne, Pat G.,

Lisa, Judy,

Louisa, Eva,

Sharon

Tree Diospyros virginiana Persimmon Sun to part

sun

M to D Late spring 30-50' D Louisa: Tolerates high pH but adaptable,

great fall color and bark

Steve

Howard County Master Gardeners "Tried and True" Native Plants Updated Feb.27, 2020 Tree Fagus grandifolia American beech Sun to

shade

M Spring 50-80’ D Judy

Tree Ilex opaca American holly Sun to part

shade

M Spring 15-40' E Lisa: Deer browse some years and others not,

as high as 5'5" from ground, Louisa:

Dioeceous, for berries, you'll need to find a

place for a male, too

Sylvia, Anne,

Pat G. , Lisa,

Judy, Barbara

Tree Juglans nigra Black walnut Sun M Spring 50-100’ D Judy: Produces juglone, a chemical toxic to

some plants

Judy, Pat H.

Tree Juniperus virginiana Eastern red

cedar

Sun to part

sun

M to D Spring 15-35' E Louisa: Form is variable, can be very odd but

this has allowed many cultivars to be

propagated , some stay just a few feet wide

Anne

Tree Liriodendron

tulipifera

Tulip tree Sun M Spring 60-90’ D Sharon: Shed leaves in dry weather Judy, Pat H.,

Sharon

Tree Magnolia virginiana Sweetbay

magnolia

Sun to part

sun

M to W Late spring,

early summer

20-60' SE Hollly: This is my favorite small tree, lemon

scented blossoms in late spring! Louisa:

Though a swamp tree, will grow in good,

moist garden soil.

Anne, Howard

County

Conservancy,

Steve, Holly,

Judy, Barbara,

Eva

Tree Magnolia virginiana

var. australis ‘Sweet

Thing’

Sweetbay

magnolia

cultivar (dwarf)

Sun to part

shade

M to W Spring-summer 12’ SE Judy: Naturally selected compact dwarf with

shrub-like habit

Judy

Tree Nyssa sylvatica Black gum Sun to light

shade

M to W Spring 30-60' D Louisa: Late to leaf out, early to color and

lose leaves in fall, great fall color, textured

bark, local trees have pink fall color; nurseries

sell trees from Florida that turn scarlet.

Natalie, Steve

Tree Oxydendrum arborea Sourwood Sun to light

shade

M to Mod

D

Summer 15-30' D Louisa: Indigenous to southern Appalachians

so don't expect it to grow as well here.

Natalie, Clare

Tree Prunus serotina Wild cherry,

Black cherry

Sun to part

sun

M to Mod

D

Late spring 50-70' D Louisa: Not an ornamental tree, self-sows

VERY aggressively.

Anne, Pat H.,

Pat G., Judy,

Eva, Sharon

Howard County Master Gardeners "Tried and True" Native Plants Updated Feb.27, 2020 Tree Quercus alba White oak Sun to part

sun

M to D Spring 60-80' D Lisa :Lovely, mature trees already on

property, Louisa: Grows rapidly in full sun

when young, widely adapted.

Natalie, Lisa,

Judy, Sharon

Tree Quercus

muehlenbergii

Chinquapin oak Sun D to M Spring 35-50' D Natalie

Tree Quercus palustris Pin oak Sun, part

sun

M Spring 50-80' D Lisa: Growing slowly; Barbara: Branches

droop so not the best tree for a yard, tree

trimmers pruned it nicely so that mower

could get under

Lisa, Pat H.,

Barbara

Tree Quercus phellos Willow oak Sun to part

sun

M to Mod

D

Spring 60-80' D Louisa: Tolerant of drought and urban

conditions, good street tree.

Natalie,

Barbara

Tree Quercus rubra Northern red

oak

Sun to part

sun

M Spring 60-80' D Louisa: I think growth form varies with soil

moisture, best to grow from seed.

Pat H., Judy,

Eva

Tree Quercus stellata Post oak Sun D, well

drained

Spring 25-50' D Lisa: Lovely, mature trees already on property Lisa

Tree Quercus velutina Black oak Sun D to M Spring 60-80' D Lisa: Lovely, mature trees already on property Lisa

Tree Salix nigra Black willow Sun W Spring 66-138' D Lisa: Loves wet feet, great for swales to

absorb runoff

Lisa

Tree Tilia americana American

basswood,

American linden

Sun to part

shade

M Early summer 50-80' D Louisa: Around here likely to be attacked by

leaf-miners every summer.

Natalie, Holly

Tree Tsuga canadensis Eastern hemlock Part to full

shade

M N/A 40-70’ E Judy: Needs periodic spraying with

horticultural oil/soap to keep wooly adelgid

at bay

Judy

Vine Lonicera

sempervirens

Coral

honeysuckle,

Trumpet

honeysuckle

Sun to part

sun

M Late spring to

early winter

15-20' SE Mary: Deer damage mild and usually on a

young plant, long-blooming, I had one year

when it started blooming on March 23 and

continued until frost! Louisa: Semi-evergreen,

flowers prolifically in full sun, attracts

hummingbirds; Barbara: Blooms March into

December

Sylvia, Corliss,

Anne, Pat G.,

Holly, Judy,

Louisa,

Barbara

Vine Parthenocissus

quinquefolia

Virginia creeper W to D Early summer 4-40' D Sylvia: I allow some all over the place; all

conditions, Lisa: Won't do damage to bricks

and mortar but does leave marks on painted

surfaces, Louisa: Attractive but very

aggressive

Sylvia, Pat H.,

Pat G., Lisa,

Judy

Howard County Master Gardeners "Tried and True" Native Plants Updated Feb.27, 2020

Vine Passiflora

incarnata

Purple

passionflower

Sun to

part shade

D to M Summer Up to

25'

D Barbara: Beautoful purple flowers; bees

and butterflies love it, can take over

easily, spread vigorously, host plant for

variegated fritillary, fragrant

Barbara

**Moisture abbreviations: M=Moist, D=Dry, W=Wet Master Gardeners: Natalie Brewer, Georgia Eacker, Marge Filbert, Corliss Glennon, Pat Greenwald, Pat Hooker, Sylvia Huestis, Judy Fulton, Holly McFarland, Irene MacDonald, Cathy Latham, Clare Openshaw, Andie Phillips, Betty Rice, Eva Roswell, Anne Roy, Jo Ann Russo, Sharon Smith, Mary Streb, Louisa Thompson, Barbara White and Lisa Wingate, Versar: Steve Harriott, Cullina quotes from William Cullina native plant books: Wildflowers, (2002) and Native Trees Shrubs & Vines (2002) Houghton Mifflin

Howard County MD Master Gardeners University of Maryland Extension

3300 North Ridge Rd Ellicott City, MD 21043 410-313-1913 The University of Maryland Extension programs are open to any person and will not discriminate against anyone because of race, age, sex, color, sexual orientation, physical or mental disability, religion, ancestry, national origin, marital status, genetic information, political

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