by dee strickler or on the american penstemon society’s · if you only need enough seed for a few...
TRANSCRIPT
Susa
n G
eer
Febr
uary
200
9M
aste
r Gar
dene
r Pro
gram
NN Naa a tt t
ii i vv vee e
PP P ee enn n
ss s tt tee e mm m
oo onn n
ss s ii i nn n
OO O
uu urr r
GG Gaa a rr r
dd dee e nn n
ss s
AA A GG G
uu uii i dd d
ee e ff f oo o
rr r UU U
nn nii i oo o
nn n aa a
nn ndd d
WW W
aa a ll lll l oo o
ww waa a
CC Coo o
uu unn n
tt t ii iee e ss s
Tabl
e of
Con
tent
s
The
Genu
s Pe
nste
mon
......
......
......
......
......
......
......
......
......
......
.2
Why
gro
w P
enst
emon
s?...
......
......
......
......
......
......
......
......
......
..2
Flor
al S
truc
ture
and
Pol
linat
ion
......
......
......
......
......
......
......
....4
Pr
opag
atio
n...
......
......
......
......
......
......
......
......
......
......
......
......
...6
Star
ting
from
See
d...
......
......
......
......
......
......
......
......
......
......
6 C
uttin
gs, L
ayer
ing,
and
Div
isio
n...
......
......
......
......
......
......
..8
Buy
ing
Plan
ts...
......
......
......
......
......
......
......
......
......
......
......
..9
Nat
ive
Pens
tem
ons
of U
nion
and
Wal
low
a Co
untie
s....
......
.10
Subg
enus
Das
anth
era
......
......
......
......
......
......
......
......
......
.11
Pens
tem
on fr
uitic
osus
shr
ubby
pen
stem
on
11
Pens
tem
on d
avid
soni
i D
avid
son’
s pe
nste
mon
12
Su
bgen
us H
abro
anth
us...
......
......
......
......
......
......
......
......
..13
Pe
nste
mon
pen
nelli
anus
Blu
e M
ount
ain
pens
tem
on
13
Pens
tem
on p
ayet
tens
is P
ayet
te p
enst
emon
14
Pe
nste
mon
spe
cios
us s
how
y pe
nste
mon
15
Su
bgen
us S
acca
nthe
ra...
......
......
......
......
......
......
......
......
...16
Pe
nste
mon
cus
icki
i C
usic
k’s
pens
tem
on
16
Pens
tem
on g
land
ulos
us g
land
ular
pen
stem
on
17
Pens
tem
on ri
char
dson
ii R
icha
rdso
n’s
pens
tem
on
18
Pens
tem
on v
enus
tus
love
ly p
enst
emon
19
Su
bgen
us P
enst
emon
......
......
......
......
......
......
......
......
......
..20
Pe
nste
mon
eria
nthe
rus
fuzz
y to
ngue
pen
stem
on
20
Pens
tem
on a
cum
inat
us s
and
dune
pen
stem
on
21
Pens
tem
on g
lobo
sus
glo
be p
enst
emon
22
Pe
nste
mon
pro
ceru
s ti
ny fl
ower
ed p
enst
emon
23
Pe
nste
mon
rydb
ergi
i R
ydbe
rg’s
pen
stem
on
24
Pens
tem
on a
ttenu
atus
tap
er le
aved
pen
stem
on
25
Pens
tem
on s
patu
latu
s W
allo
wa
Mou
ntai
n pe
nste
mon
26
Pe
nste
mon
con
fert
us y
ello
w p
enst
emon
27
Pe
nste
mon
wilc
oxii
Wilc
ox’ p
enst
emon
29
Pe
nste
mon
ele
gant
ulus
ele
gant
pen
stem
on
30
1
Th
e A
meri
can
Penste
mo
n
So
ciety
is
ded
icate
d t
o t
he
adva
nce
ment
of kn
ow
ledge
abou
t penst
em
ons,
thei
r in
troduct
ion into
cultiv
ation
, and t
he d
eve
lopm
ent
of new
and im
pro
ved c
ultiv
ars
. A
PS
web
site
Pens
tem
on d
eust
us h
ot ro
ck p
enst
emon
31
Pe
nste
mon
gai
rdne
ri G
aird
ner’s
pen
stem
on
32
Ref
eren
ces
and
Res
ourc
es...
......
......
......
......
......
......
......
.....
33
Ack
now
ledg
emen
ts
Man
y th
anks
to T
eres
a B
rain
, And
y H
uber
, and
Bar
bara
Lew
is fo
r re
view
ing
the
book
let a
nd p
rovi
ding
sug
gest
ions
par
ticul
ar to
thei
r sp
ecia
lties
. Th
e in
form
atio
n co
mpi
led
here
is fr
om th
e R
efer
ence
s an
d R
esou
rces
list
ed a
t the
end
of t
he b
ookl
et,
repr
esen
ting
year
s of
wor
k by
man
y de
dica
ted
peop
le.
In
parti
cula
r, ra
nge
of a
spe
cies
is fr
om S
trick
ler (
1997
) and
ge
rmin
atio
n re
quire
men
ts a
re fr
om th
e Am
eric
an P
enst
emon
S
ocie
ty w
ebsi
te b
log
incl
udin
g sp
read
shee
t by
Jim
Sw
ayne
, and
Li
ndgr
en (2
003)
. I’v
e al
so d
raw
n up
on m
y re
lativ
ely
limite
d pe
rson
al e
xper
ienc
e.
Pho
to C
redi
ts
Than
ks to
Ben
Leg
ler o
f Was
hing
ton
and
Chr
isto
pher
Chr
istie
of
Bak
er C
ity, O
rego
n fo
r the
use
of t
heir
exce
llent
pho
tos.
B
en L
egle
r: P
. dav
idso
nii,
P. s
peci
osus
, P. r
ydbe
rgii,
P.
eria
nthe
rus,
P. c
onfe
rtus,
P. p
roce
rus,
P. a
cum
inat
us, P
. hum
ilis
(clo
se u
p).
Chr
isto
pher
Chr
istie
: P. a
ttenu
atus
, P. r
icha
rdso
nii (
pink
), P.
w
ilcox
ii, P
. due
stus
, P. c
usic
kii
Oth
er p
hoto
s by
Sus
an G
eer
Cov
er p
hoto
: Pen
stem
on g
aird
neri
on O
wsl
ey R
idge
. Jun
e 20
08.
S. G
eer.
2 The
Gen
us P
enst
emon
Pe
nste
mon
is th
e la
rges
t gen
us o
f flo
wer
ing
plan
ts in
N
orth
Am
eric
a, w
ith a
bout
271
spe
cies
. Th
is n
umbe
r va
ries
with
the
sour
ce c
onsu
lted
beca
use
bota
nist
s do
no
t alw
ays
agre
e on
wha
t con
stitu
tes
a sp
ecie
s vs
. a
varie
ty.
Pens
tem
ons
are
foun
d fro
m A
lask
a to
G
uate
mal
a. E
very
sta
te in
the
unio
n ex
cept
Haw
aii
has
at le
ast o
ne n
ativ
e sp
ecie
s of
pen
stem
on, b
ut th
e gr
eate
st n
umbe
rs g
row
in th
e ar
id W
est.
All
are
pere
nnia
l, so
me
shor
t-liv
ed a
nd o
ther
s lo
ng-li
ved.
The
ta
llest
spe
cies
in M
exic
o m
ay re
ach
10 fe
et, w
hile
al
pine
s in
our
wes
tern
sta
tes
mig
ht b
e 2
inch
es ta
ll.
Som
e ha
ve w
oody
bas
es a
nd s
ome
are
herb
aceo
us.
Tr
aditi
onal
ly, t
he g
enus
Pen
stem
on h
as b
een
plac
ed in
th
e Sc
roph
ular
iace
ae, o
r sna
pdra
gon
fam
ily, b
ut re
cent
bi
oche
mic
al d
ata
gath
ered
by
Wol
fe e
t. al
. (20
06) h
as
lead
to it
s pl
acem
ent i
n Pl
anta
gina
ceae
. Ke
ys to
sp
ecie
s ca
n be
foun
d in
Nor
thw
est P
enst
emon
s by
D
ee S
trick
ler o
r on
the
Amer
ican
Pen
stem
on S
ocie
ty’s
w
ebsi
te.
Why
gro
w P
enst
emon
s?
In th
e bo
ok T
he G
arde
ner’s
Gui
de to
Gro
win
g Pe
nste
mon
s D
avid
Way
and
Pet
er J
ames
cor
rect
ly
poin
t to
“abu
ndan
ce, c
olor
, and
cha
rm”.
In
mos
t sp
ecie
s, th
ere
is a
pro
fusi
on o
f blo
oms
whi
ch c
an in
so
me
case
s la
st a
ll se
ason
. Th
ey e
xhib
it a
wid
e va
riety
of c
olor
s, e
spec
ially
in s
hadi
ng a
nd c
ontra
stin
g th
roat
col
ors
and
mar
king
s. T
here
is a
lso
a tre
men
dous
var
iety
in fl
oral
sha
pe a
nd in
the
stat
ure
of
the
plan
ts, a
nd a
cha
rm in
thei
r car
efre
e at
titud
e.
Whi
le o
ther
flow
ers
in th
e ga
rden
lang
uish
in th
e he
at
or s
trugg
le in
diff
icul
t soi
ls, P
enst
emon
s th
rive.
3
Hum
min
gbird
s vi
sit p
enst
emon
s. T
hey
feed
from
pu
rple
P. s
peci
osus
and
P. f
ruiti
cosu
s, a
nd b
right
pin
k P.
rich
ards
onii
in m
y ya
rd.
Red
spe
cies
suc
h as
P.
barb
atus
and
P. e
aton
ii, n
ativ
e to
the
sout
hwes
t, ar
e pr
obab
ly th
e m
ost a
ttrac
tive
to h
umm
ingb
irds.
To
see
mor
e hu
mm
ingb
irds,
pla
nt a
pro
cess
ion
of
hum
min
gbird
-attr
actin
g na
tive
spec
ies,
suc
h as
red
flow
erin
g cu
rran
t, sc
arle
t glo
bem
allo
w, p
enst
emon
s,
oran
ge h
oney
suck
le, s
carle
t gili
a, a
nd h
orse
min
t.
Bee
s ar
e ve
ry a
ttrac
ted
to p
enst
emon
s. T
here
are
th
ousa
nds
of n
ativ
e be
e sp
ecie
s, e
ach
dist
inct
ive,
fa
scin
atin
g an
d be
autif
ul to
obs
erve
. I h
ave
notic
ed a
gr
eat i
ncre
ase
in n
umbe
r and
var
iety
of n
ativ
e be
es
sinc
e pl
antin
g pe
nste
mon
s in
my
yard
.
Som
e be
es v
isit
pens
tem
ons,
whi
le
othe
rs p
refe
r diff
eren
t flo
ral
stru
ctur
es.
You
will
see
the
mos
t nat
ive
bees
if y
ou p
lant
a
varie
ty o
f nat
ive
plan
ts.
Hon
eybe
es (E
urop
ean
orig
in)
also
vis
it pe
nste
mon
s bu
t are
re
lativ
ely
unim
porta
nt a
s po
llina
tors
. To
find
out
mor
e ab
out n
ativ
e be
es, t
he X
erce
s So
ciet
y is
a g
ood
plac
e to
sta
rt.
4 Flor
al S
truc
ture
and
Pol
linat
ion
A pe
nste
mon
flow
er h
as 4
ferti
le s
tam
ens
and
one
ster
ile s
tam
en.
The
ferti
le s
tam
ens
are
atta
ched
in
pairs
to th
e in
side
of t
he fl
oral
tube
, whi
le th
e st
amin
ode
proj
ects
from
the
roof
of t
he fl
oral
tube
, in
front
of t
he o
vary
. Ea
ch s
tam
en in
clud
es a
nthe
rs a
nd
a fil
amen
t. T
he a
nthe
rs p
rodu
ce p
olle
n in
two
pouc
hes.
The
var
iatio
n in
ant
her s
hape
is u
sed
to
clas
sify
pen
stem
ons,
par
ticul
arly
to s
ubge
nus.
The
re
are
6 su
bgen
era
typi
cally
reco
gniz
ed, 4
of w
hich
occ
ur
in th
e Pa
cific
Nor
thw
est.
Onc
e yo
u ar
e fa
mili
ar w
ith
them
, you
will
see
that
they
sha
re tr
aits
oth
er th
an th
e sh
apes
of t
heir
anth
ers.
Thi
s pr
ovid
es a
use
ful w
ay to
gr
oup
the
spec
ies.
Fo
ur fe
rtile
sta
men
s, e
ach
with
the
hairy
pai
r of
anth
ers
typi
cal o
f the
sub
genu
s D
asan
ther
a, a
re v
isib
le
in th
is c
ut-a
way
vie
w o
f a P
. fru
itico
sus
flow
er.
The
fifth
, inf
ertil
e st
amen
is th
e ye
llow
ish
one
lyin
g be
low
th
e ot
her f
our.
The
fem
ale
part
of th
e flo
wer
, or p
istil
, is
com
pose
d of
stig
ma,
sty
le a
nd o
vary
. Th
e sm
ooth
fil
amen
t pro
ject
ing
beyo
nd th
e an
ther
s in
this
pho
to is
5
the
styl
e. A
t its
tip
is th
e st
igm
a, w
here
pol
len
grai
ns
are
depo
site
d as
a b
ee v
isits
a fl
ower
. Th
e po
llen
grai
n m
ay s
ubse
quen
tly g
row
thro
ugh
the
polle
n tu
be
tow
ard
the
ovar
y (n
ot v
isib
le in
this
pic
ture
).
Onc
e th
e po
llen
tube
reac
hes
an o
vule
, fer
tiliz
atio
n m
ay ta
ke p
lace
and
see
d de
velo
pmen
t beg
ins.
Giv
en
enou
gh re
sour
ces,
pen
stem
on s
eeds
con
tinue
to
deve
lop
for a
mon
th o
r mor
e.
Upo
n m
atur
atio
n, s
eeds
of m
any
(but
not
all)
of o
ur
loca
l pen
stem
on s
peci
es a
re in
sta
te o
f dor
mac
y. T
his
may
last
for y
ears
, or b
e br
oken
by
a co
mbi
natio
n of
m
oist
ure,
col
d an
d pe
rhap
s flu
ctua
ting
tem
pera
ture
s,
and
som
etim
es li
ght,
occu
rring
ove
r a n
umbe
r of
wee
ks o
r mon
ths.
Whe
n do
rmac
y ha
s br
oken
, ge
rmin
atio
n ta
kes
plac
e.
In a
stu
dy o
f 38
spec
ies
of In
term
ount
ain
Pens
tem
on
grow
ing
in v
ario
us lo
catio
ns, D
r. M
eyer
and
col
leag
ues
(199
5) fo
und
a co
rrela
tion
betw
een
the
seve
rity
of
win
ter a
nd re
quire
men
t of a
chi
lling
per
iod
for s
eeds
. H
owev
er, a
s no
ted
by S
teve
Cia
cco
in a
n AP
S bl
og,
ther
e is
trem
endo
us v
aria
tion
betw
een
and
amon
g sp
ecie
s, p
opul
atio
ns, a
nd in
divi
dual
s w
ithin
a
popu
latio
n. T
hus,
ger
min
atio
n re
quire
men
ts li
sted
for
each
spe
cies
may
be
typi
cal b
ut a
re o
nly
guid
elin
es.
6
Hyb
rid
sC
lose
ly r
ela
ted P
enst
emon
spec
ies
may
occ
asio
nally
hyb
ridiz
e n
atura
lly w
here
ra
nges
ove
rlap
. I
n t
he
gard
en w
here
gro
wn
togeth
er,
hyb
rids
occ
ur
more
oft
en.
Som
e
gard
ener
s cr
eate
hyb
rids
as
a h
obby.
In
Euro
pe,
Penst
em
on h
as b
een
pop
ula
rfo
r ove
r 150 y
ears
. A w
hole
range o
f hyb
rids
was
crea
ted b
y bre
eders
, prim
arily
fro
m s
how
y but
less
hard
yM
exi
can
speci
es
Prop
agat
ion
Star
ting
from
Se
ed
Star
ting
from
se
ed is
a g
reat
w
ay to
gro
w a
ny
pens
tem
on y
ou
wan
t and
may
be
the
only
cho
ice
for s
ome
spec
ies.
O
ne w
ay to
get
se
ed fo
r our
loca
l na
tives
is to
co
llect
it y
ours
elf
on p
ublic
land
s.
Whe
n co
llect
ing
from
wild
pla
nts
it is
bes
t to
find
a la
rge
popu
latio
n an
d ta
ke o
nly
a sm
all p
erce
ntag
e of
se
ed.
If po
pula
tion
depl
etio
n is
a c
once
rn, a
bet
ter
optio
n m
ay b
e to
join
the
Amer
ican
Pen
stem
on S
ocie
ty
or N
orth
Am
eric
an R
ock
Gar
den
Soci
ety
and
parti
cipa
te in
thei
r ann
ual s
eed
exch
ange
. Bo
th
orga
niza
tions
hav
e lo
w m
embe
rshi
p fe
es a
nd a
larg
e se
lect
ion
of s
eeds
.
Loca
lly, f
riend
s w
ho h
ave
pens
tem
ons
in th
eir g
arde
ns
will
pro
babl
y be
gla
d to
sha
re s
eed.
Som
e ye
ars,
see
d pr
oduc
tion
in a
yar
d w
here
pla
nts
are
give
n su
pple
men
tal w
ater
may
be
mos
t rel
iabl
e. I
f wild
see
d is
abu
ndan
t, An
dy H
uber
of t
he lo
cal n
on-p
rofit
G
RO
WIS
ER m
ay a
llow
vol
unte
ers
to c
olle
ct s
eeds
for
thei
r hom
e ga
rden
s at
the
wild
flow
er p
rese
rve
at
Pum
pkin
Rid
ge.
Seed
s m
ay a
lso
be o
btai
ned
from
co
mm
erci
al g
row
ers.
Se
ed is
read
y in
late
sum
mer
or f
all,
depe
ndin
g on
sp
ecie
s an
d el
evat
ion.
Cap
sule
s dr
y an
d st
art t
o sp
lit.
7
It is
eas
iest
to c
ut th
e st
ems
and
colle
ct d
ry
inflo
resc
ence
s in
to a
pap
er b
ag.
If yo
u on
ly n
eed
enou
gh s
eed
for a
few
pla
nts,
har
vest
onl
y a
few
ca
psul
es.
Col
lect
ion
is s
impl
ified
by
the
fact
that
see
ds a
re
reta
ined
in th
e dr
y ca
psul
es fo
r wee
ks o
r mon
ths,
and
se
ed re
mai
ns v
iabl
e fo
r yea
rs a
fter c
olle
ctio
n as
long
as
it is
kep
t dry
.
In
fact
, pen
stem
on s
eed
ofte
n ge
rmin
ates
bet
ter a
fter d
ry s
tora
ge
for a
t lea
st 6
mon
ths.
For
som
e sp
ecie
s th
is d
ryin
g tim
e is
m
anda
tory
.
Seed
s fro
m m
ost o
f our
loca
l na
tive
pens
tem
ons
requ
ire c
ool
moi
st s
trat
ifica
tion
(CM
S) fo
r 6-
12 w
eeks
to g
erm
inat
e. S
hrub
by
pens
tem
on a
nd D
avid
son’
s pe
nste
mon
, in
subg
enus
Das
anth
era,
are
the
only
ex
cept
ions
.
Gro
wer
s ha
ve tr
aditi
onal
ly a
ccom
plis
hed
CM
S by
so
me
varia
tion
of th
e fo
llow
ing
3 m
etho
ds:
1.
Sow
the
seed
out
door
s in
fall
in a
wel
l mar
ked
area
an
d le
t nat
ure
take
its
cour
se.
This
is th
e ea
sies
t m
etho
d bu
t doe
s no
t ass
ure
prot
ectio
n of
the
seed
or
seed
lings
. 2.
Sow
see
d in
pot
s in
san
d, p
erlit
e, a
nd/o
r ve
rmic
ulite
and
leav
e it
outs
ide
all w
inte
r, w
ith s
ome
prot
ectio
n. O
nce
the
plan
ts a
re u
p th
ey c
an b
e tra
nspl
ante
d. 3
. Pla
ce th
e se
eds
in d
amp
sand
insi
de
a pl
astic
san
dwic
h ba
g w
ith a
labe
l and
sto
re in
the
refri
gera
tor f
or a
num
ber o
f wee
ks.
At th
e fir
st s
ign
of
germ
inat
ion
thes
e se
eds
are
plan
ted.
8 Pers
onal
ly, I
hav
e fo
und
the
refri
gera
tor m
etho
d (3
) do
es n
ot a
lway
s br
eak
dorm
acy
and
whe
n pl
ante
d, th
e se
eds
may
take
an
addi
tiona
l ent
ire y
ear t
o ge
rmin
ate.
It
is te
mpt
ing
to p
lant
doz
ens
or h
undr
eds
of s
eeds
if
you
have
them
, but
avo
id th
e he
adac
he o
f hav
ing
to
trans
plan
t too
man
y se
edlin
gs b
y so
win
g on
ly 1
0 or
so
per p
ot.
A
rece
nt s
urve
y of
Am
eric
an P
enst
emon
Soc
iety
m
embe
r ger
min
atio
n m
etho
ds b
y Ba
rbar
a Le
wis
sh
ows
that
sow
ing
seed
s in
pot
s an
d pl
acin
g th
em
outd
oors
for s
tratif
icat
ion
is th
e fa
vore
d m
etho
d. V
isit
the
APS
web
site
to re
ad th
e su
rvey
sum
mar
y an
d ge
t de
taile
d in
form
atio
n ab
out p
roce
dure
s.
Am
ong
our l
ocal
pen
stem
ons,
sev
eral
exh
ibit
prol
onge
d ge
rmin
atio
n, w
ith a
few
see
ds g
erm
inat
ing
the
first
spr
ing
follo
win
g C
MS,
and
mor
e fo
llow
ing
for
seve
ral y
ears
afte
r bei
ng s
own.
Occ
asio
nally
they
will
ge
rmin
ate
in th
e fa
ll.
Cut
tings
, Lay
erin
g, a
nd
Div
isio
n Ti
p cu
tting
s ca
n be
take
n fro
m
non-
flow
erin
g st
ems.
The
y sh
ould
be
only
a fe
w in
ches
long
an
d in
clud
e 4-
6 no
des.
Rem
ove
the
low
est 2
set
s of
leav
es; t
reat
with
root
ing
horm
one
pow
der o
r liq
uid.
Use
a fe
w in
ches
of r
ootin
g m
ediu
m
of s
and
and
verm
icul
ite in
pot
s or
tray
s, d
ampe
ned.
C
reat
e a
hole
in th
e m
ediu
m b
efor
e in
serti
ng th
e cu
tting
, so
as n
ot to
rub
the
root
ing
horm
one
off.
Pla
ce
the
cutti
ng in
a g
reen
hous
e, c
old
fram
e, o
r sim
ply
a sh
elte
red
area
whe
re th
e m
ediu
m w
ill n
ot d
ry o
ut to
o qu
ickl
y an
d cu
tting
s w
ill n
ot w
ilt.
Ther
e sh
ould
be
air
circ
ulat
ion
to p
reve
nt d
isea
se.
Plas
tic li
ds o
r bag
s ar
e of
ten
used
to k
eep
cutti
ngs
from
dry
ing
out,
but I
hav
e ha
d th
e be
st lu
ck w
ith le
avin
g pe
nste
mon
cut
tings
in a
9
shad
ed o
pen
air s
ituat
ion.
Cut
tings
take
n in
May
are
us
ually
read
y to
be
plan
ted
out i
n O
ctob
er.
Man
y Pe
nste
mon
spe
cies
whi
ch h
ave
spre
adin
g st
ems
natu
rally
repr
oduc
e by
laye
ring.
The
ste
ms
near
est
the
grou
nd a
re c
over
ed w
ith s
oil a
t the
bas
es a
nd ta
ke
root
. Th
is s
ituat
ion
can
be c
reat
ed b
y sp
read
ing
soil
over
the
stem
s an
d is
a g
ood
idea
any
way
for s
ome
sem
i-woo
dy s
peci
es s
uch
as P
. fru
itico
sus,
P. d
uest
us,
and
P. ri
char
dson
ii w
hich
may
die
out
in th
e ce
nter
af
ter a
few
yea
rs if
not
rene
wed
. Spe
cies
whi
ch h
ave
mul
tiple
cro
wns
may
be
dug
and
divi
ded.
Thi
s st
imul
ates
new
gro
wth
whe
n pl
ants
are
cro
wde
d.
Buy
ing
Plan
ts
Loca
l or r
egio
nal n
urse
ries
may
car
ry s
ome
of o
ur
pens
tem
ons.
Ava
ilabi
lity
varie
s fro
m y
ear t
o ye
ar.
P.
dues
tus
and
P. v
enus
tus
have
bee
n th
e m
ost r
eadi
ly
avai
labl
e in
the
past
.
In re
cent
yea
rs, r
etire
d bo
tani
st C
laire
But
ton
(cbu
tton@
wge
o.or
g) o
f Bak
er C
ity h
as h
eld
an a
nnua
l na
tive
plan
t sal
e to
ben
efit
a no
n-pr
ofit.
Ofte
n se
vera
l pe
nste
mon
spe
cies
are
ava
ilabl
e.
10
Nat
ive
Pens
tem
ons
of U
nion
and
Wal
low
a Co
untie
s
With
so
man
y Pe
nste
mon
spe
cies
from
whi
ch to
ch
oose
, not
to m
entio
n na
med
cul
tivar
s an
d a
dazz
ling
arra
y of
Eur
opea
n hy
brid
s, it
may
be
hard
to d
ecid
e w
hat t
o pl
ant o
nce
an a
vid
flow
er g
arde
ner d
isco
vers
pe
nste
mon
s. M
any
of u
s ha
ve m
emor
ies
of a
n en
chan
ted
sum
mer
afte
rnoo
n, c
omin
g ac
ross
vas
t pu
rple
mou
ntai
nsid
es w
hile
hik
ing
in th
e Ea
gle
Cap
W
ilder
ness
, or b
eing
am
azed
at t
he b
rillia
nt b
lue
pens
tem
ons
in th
e hi
lls n
orth
of S
umm
ervi
lle.
Why
no
t gro
w th
ese
loca
l bea
utie
s in
our
ow
n ga
rden
s?
Follo
win
g ar
e 22
spe
cies
whi
ch o
ccur
in U
nion
and
W
allo
wa
coun
ties,
acc
ordi
ng to
the
Amer
ican
Pe
nste
mon
Soc
iety
web
site
. Al
l but
two
of th
em a
re
grow
ing
in m
y ya
rd in
LaG
rand
e, s
o I a
m c
onfid
ent t
hat
othe
r gar
dene
rs w
ill b
e ab
le to
gro
w th
em a
s w
ell.
Pe
nste
mon
ele
gant
ulus
and
P. s
patu
latu
s ar
e en
dem
ic
to H
ell’s
Can
yon
and
the
Wal
low
a M
ount
ains
re
spec
tivel
y, a
nd I
have
not
yet
col
lect
ed s
eed
or
obta
ined
pho
tos
of th
ese
two
spec
ies,
but
look
forw
ard
to th
e ch
alle
nge.
I h
ave
incl
uded
them
her
e fo
r ad
vent
urou
s ga
rden
ers.
11
Subg
enus
Das
anth
era
Pens
tem
on fr
uitic
osus
shr
ubby
pen
stem
on
6-16
“ ta
ll Fr
eely
bra
nchi
ng e
verg
reen
pla
nts
with
woo
dy b
ases
, of
ten
broa
der t
han
tall.
Lea
ves
are
thic
k, le
athe
ry a
nd
shin
y se
rrate
or e
ntire
dep
endi
ng o
n va
riety
. Th
e in
flore
scen
ce is
a fe
w-fl
ower
ed g
land
ular
race
me.
Fl
ower
s ar
e la
vend
er, 2
5-50
mm
(1 to
2 in
.) lo
ng.
Ther
e ar
e 3
varie
ties.
Var
. ser
ratu
s an
d va
r. fru
itico
sus
both
gro
w in
NE
Ore
gon.
H
abita
t: O
pen
rock
y sl
opes
to m
oder
atel
y de
nse
fore
st, f
ooth
ills
to s
ubal
pine
. Bl
oom
s M
ay -A
ugus
t. R
ange
: S B
ritis
h C
olum
bia,
SW
Alb
erta
, W M
onta
na
and
Wyo
min
g to
cen
tral O
rego
n. 6
500
– 80
00’.
Gro
win
g co
nditi
ons:
Ger
min
ates
in 4
-5 w
eeks
at 7
0 F.
Pla
nts
are
easy
to g
row
and
gen
eral
ly a
vaila
ble
from
nur
serie
s. T
here
are
man
y na
med
cul
tivar
s in
the
nurs
ery
trade
.
12
Pens
tem
on d
avid
soni
i D
avid
son’
s pe
nste
mon
To
6 “
tall
Den
se w
oody
eve
rgre
en m
at, o
ften
broa
der t
han
tall.
Le
aves
are
mos
tly b
asal
, elli
ptic
al to
roun
d, g
labr
ous
and
thic
k, to
1.5
cm
(5/8
inch
) lon
g. T
he in
flore
scen
ce
is fe
w-fl
ower
ed g
land
ular
race
me.
Flo
wer
s ar
e pu
rple
to
lave
nder
, 25-
40 m
m (1
to 1
1/2
inc
hes)
long
.
Hab
itat:
Ope
n ro
ck ta
lus
from
mon
tane
to s
ubal
pine
. Bl
oom
s M
ay -
Augu
st.
Ran
ge: S
Brit
ish
Col
umbi
a, W
ashi
ngto
n, O
rego
n, N
C
alifo
rnia
and
E to
Nev
ada.
560
0 –
1200
0’.
Gro
win
g co
nditi
ons:
Ger
min
ates
qui
ckly
at 7
0 F.
Pl
ants
are
eas
y to
gro
w a
nd th
ere
are
man
y na
med
cu
ltiva
rs in
the
nurs
ery
trade
.
13
Subg
enus
Hab
roan
thus
Pe
nste
mon
pen
nelli
anus
Blu
e M
ount
ain
pens
tem
on
H
abro
anth
us g
roup
8-
24 “
tall
Seve
ral s
tout
ste
ms
from
a b
ranc
hing
woo
dy ro
ot
crow
n. L
eave
s ar
e th
ick,
ent
ire a
nd s
hiny
gre
en-
glau
cous
, bas
al le
aves
larg
e an
d fo
rmin
g a
rose
tte.
8-25
cm
(3-1
0 in
ches
long
), na
rrow
elli
ptic
with
long
pe
tiole
s. T
he in
flore
scen
ce is
a p
anic
le.
Flow
ers
are
brill
iant
to d
eep
blue
with
dar
k gu
ide
lines
, 25-
33 m
m
(1 to
1 5
/16
inch
) lon
g.
Hab
itat:
Ope
n fo
rest
s an
d on
ridg
etop
s. B
loom
s Ju
ne
and
July
. R
ange
: Blu
e M
ount
ains
of N
E O
rego
n an
d SE
W
ashi
ngto
n E
to W
allo
wa
Co.
, Ore
gon.
400
0 –
5400
’. G
row
ing
cond
ition
s: G
erm
inat
es s
pora
dica
lly a
fter
12 w
eeks
CM
S w
ith li
ght,
som
etim
es 1
-2 y
ears
afte
r pl
antin
g. P
lant
s ar
e sh
ort l
ived
per
enni
als
but a
re
spec
tacu
lar a
nd o
ther
wis
e ea
sy to
gro
w.
14
Pens
tem
on p
ayet
tens
is P
ayet
te p
enst
emon
H
abro
anth
us g
roup
6-
28 “
tall
Clo
sely
rela
ted
to P
. pen
nellia
nus
but l
eave
s ar
e br
oade
r and
gla
brou
s. O
ne to
a fe
w s
tout
ste
ms
from
a
basa
l ros
ette
. Le
aves
are
thic
k, e
ntire
and
gla
brou
s,
basa
l lea
ves
larg
e an
d fo
rmin
g a
rose
tte.
15-1
8 cm
(6-
7 in
ches
long
), ov
ate
with
a lo
ng p
etio
le.
Cau
line
leav
es s
essi
le a
nd la
nceo
late
. Th
e in
flore
scen
ce is
a
dens
e pa
nicl
e. F
low
ers
are
brig
ht b
lue
18-2
8 m
m (3
/4
to 1
1/8
inc
h) lo
ng.
H
abita
t: O
pen
fore
sts
or s
hrub
land
s an
d on
ridg
etop
s.
Bloo
ms
June
and
Jul
y.
Ran
ge: W
allo
wa
Mou
ntai
ns o
f NE
Ore
gon
acro
ss
cent
ral I
daho
to w
-cen
tral M
onta
na. 5
900
– 82
00’.
Gro
win
g co
nditi
ons:
Ger
min
ates
with
ligh
t and
12
wee
ks C
MS.
Pla
nts
are
shor
t liv
ed p
eren
nial
s bu
t are
sp
ecta
cula
r and
oth
erw
ise
easy
to g
row
.
15
Pens
tem
on s
peci
osus
sho
wy
pens
tem
on
Hab
roan
thus
gr
oup
2-36
“ ta
ll A
few
ste
ms
from
a
smal
l clu
mp.
Le
aves
are
ent
ire
and
glab
rous
to
finel
y pu
besc
ent,
basa
l lea
ves
form
ing
a ro
sette
, 5-
15 c
m (2
-6
inch
es lo
ng),
narr
ow e
llipt
ic
with
long
pe
tiole
s. T
he
inflo
resc
ence
is a
pa
nicl
e. F
low
ers
are
sky
blue
on
the
peta
ls g
radi
ng to
vio
let o
n th
e tu
be w
ith a
pal
e th
roat
, 25-
38 m
m (1
to 1
½
inch
) lon
g.
Hab
itat:
Sage
brus
h to
pon
dero
sa p
ine
fore
st, t
o su
balp
ine.
Blo
oms
May
to J
uly.
R
ange
: Cen
tral a
nd E
Was
hing
ton
to S
W Id
aho,
S
Ore
gon
and
to C
alifo
rnia
. 100
– 1
0,50
0’.
Gro
win
g co
nditi
ons:
Ger
min
ates
afte
r 8 –
12
wee
ks
CM
S, w
ith s
ome
2nd y
ear g
erm
inat
ion.
16
Subg
enus
Sac
cant
hera
Pens
tem
on c
usic
kii
Cus
ick’
s pe
nste
mon
Sa
ccan
ther
a gr
oup
6-18
“ ta
ll N
umer
ous
slen
der s
tem
s fro
m a
shr
ubby
ba
se.
Lea
ves
are
grey
-gre
en
pube
scen
t, na
rrow
ent
ire,
sess
ile, 2
-8 c
m
(¾ to
3 ¼
in
ches
) lon
g an
d al
l cau
line.
The
in
flore
scen
ce is
op
en.
Flow
ers
are
lave
nder
to
blue
-vio
let 1
4-24
m
m (5
/8 to
1
inch
) lon
g.
H
abita
t: Sa
gebr
ush
site
s w
ith li
ght b
asal
tic s
ubst
rate
at
low
to m
oder
ate
elev
atio
ns.
Bloo
ms
May
and
Jun
e.
Ran
ge: B
aker
Co.
Ore
gon
S to
Har
ney
Co.
and
E to
Bl
aine
Co.
, Ida
ho. 3
600’
. G
row
ing
cond
ition
s: U
ndoc
umen
ted
germ
inat
ion
requ
irem
ents
. Pro
babl
y se
vera
l wee
ks C
MS.
17
Pens
tem
on g
land
ulos
us g
land
ular
pen
stem
on
Serr
ulat
i gro
up
Up
to 4
2 “ t
all
Seve
ral s
tout
ste
ms,
de
nsel
y gl
andu
lar
thro
ugho
ut.
Ther
e ar
e tw
o va
rietie
s; in
ou
r are
a va
r. gl
andu
losu
s ha
s de
ntat
e le
aves
1-3
.5
dm (4
-14
inch
es)
long
. Th
e in
flore
scen
ce is
als
o de
nsel
y gl
andu
lar.
Fl
ower
s ar
e la
rge
2.5-
4.5c
m (1
-1 ¾
in
ches
) lig
ht
lave
nder
with
dar
k gu
ide
lines
and
whi
te
thro
at.
Hab
itat:
Ope
n ro
cky
hills
ides
to s
pars
e tim
ber i
n th
e m
ount
ains
. Bl
oom
s M
ay th
roug
h Ju
ly.
Ran
ge: S
E W
ashi
ngto
n, N
E O
rego
n to
SW
Idah
o an
d di
sjun
ct a
long
the
east
slo
pe o
f the
Cas
cade
s in
W
ashi
ngto
n. U
p to
460
0’.
Gro
win
g co
nditi
ons:
Ger
min
ates
afte
r 8 w
eeks
at
40 F
. To
lera
tes
dry
shad
e in
the
gard
en.
18
Pens
tem
on ri
char
dson
ii R
icha
rdso
n’s
pens
tem
on
Serr
ulat
i gr
oup
12-3
4 “ t
all
Few
to
man
y st
ems
in a
bus
hy
clum
p, o
ften
lax
and
spra
wlin
g.
Leav
es a
re
dist
inct
ly
serr
ate,
2-5
cm
(1-2
in.)
long
. Th
e in
flore
scen
ce is
an
uncr
owde
d gl
andu
lar p
anic
le.
Flow
ers
brill
iant
pin
k to
la
vend
er w
ith d
ark
guid
e lin
es, 2
0-25
mm
(13/
16 to
1
inch
) lon
g. 3
inte
rgra
ding
var
ietie
s, o
urs
is c
urtif
oliu
s.
Hab
itat:
Ope
n ro
cky
terra
in.
Bloo
ms
May
- A
ugus
t. R
ange
: S B
ritis
h C
olum
bia
to c
entra
l Ore
gon,
E o
f the
C
asca
des
and
alon
g th
e C
olum
bia
and
Snak
e R
iver
s to
Was
hing
ton.
430
0 –
7300
’. G
row
ing
cond
ition
s: G
erm
inat
es a
fter 6
wee
ks C
MS.
Lo
ng-li
ved
and
tole
rate
s pa
rt sh
ade
in th
e ga
rden
.
19
Pens
tem
on v
enus
tus
love
ly p
enst
emon
Se
rrul
ati g
roup
12
-32
“ tal
l Fe
w to
man
y sm
ooth
ste
ms
in a
larg
e cl
ump
with
no
basa
l mat
. Le
aves
are
all
caul
ine,
fine
ly
serr
ate,
4-1
0 cm
(1 ½
- 4
inch
es) l
ong.
Th
e in
flore
scen
ce
is a
race
me-
pa
nicl
e.
Flow
ers
are
lave
nder
to v
iole
t 20-
38 m
m (3
/4 to
1 ½
in
ch) l
ong.
H
abita
t: O
pen
rock
y te
rrain
from
low
can
yons
to
suba
lpin
e el
evat
ions
. Bl
oom
s M
ay th
roug
h Au
gust
. R
ange
: Blu
e M
ount
ains
of S
E W
ashi
ngto
n an
d N
E O
rego
n, a
nd a
djac
ent W
-cen
tral I
daho
. 300
0 –
7300
’. G
row
ing
cond
ition
s: G
erm
inat
es a
fter 8
wee
ks C
MS
and
light
, is
long
-live
d an
d to
lera
tes
part
shad
e in
the
gard
en.
20
Subg
enus
Pen
stem
on
Pens
tem
on e
riant
heru
s fu
zzy
tong
ue p
enst
emon
Cris
tati
grou
p 4
-16
“ tal
l O
ne to
sev
eral
ste
ms,
cu
rvin
g at
bas
e an
d m
ostly
fin
ely
pube
scen
t. L
eave
s ar
e en
tire
to s
harp
ly
toot
hed,
nar
row
to o
blan
ceol
ate,
pet
iole
d be
low
and
cl
aspi
ng a
bove
. G
land
ular
. Th
e in
flore
scen
ce is
a
narr
ow p
anic
le o
f 3-6
wel
l spa
ced
verti
cilla
ster
s.
Flow
ers
pink
to b
lue
with
dar
k gu
ide
lines
, nar
row
tube
ex
pand
ed to
a b
road
mou
th, e
xpan
ded
peta
ls a
nd
gold
en-b
eard
ed p
alat
e, 1
5-35
mm
(5/8
to 1
3/8
in.)
long
. 5
varie
ties.
Our
s, re
dact
us, a
bout
8” t
all.
Hab
itat:
Dry
ope
n te
rrain
. Bl
oom
s M
ay a
nd J
une.
R
ange
: Cen
tral W
ashi
ngto
n an
d O
rego
n, S
Brit
ish
Col
umbi
a an
d Al
berta
to N
Dak
ota,
Wyo
min
g, a
nd
Col
orad
o. 3
250
– 58
00’.
Gro
win
g co
nditi
ons:
Ger
min
ates
bes
t at 7
0 F
afte
r 8-
12 w
eeks
CM
S an
d ex
hibi
ts 2
nd y
ear g
erm
inat
ion.
21
Pens
tem
on a
cum
inat
us s
and
dune
pen
stem
on
C
oeru
lei g
roup
6-
24 “
tall
One
to s
ever
al e
rect
st
ems.
Lea
ves
are
thic
k an
d le
athe
ry, 2
-7 c
m (3
/4 -2
¾
inch
es) l
ong
on s
tiff p
etio
les.
The
inflo
resc
ence
is a
na
rrow
, elo
ngat
ed a
nd c
onge
sted
pan
icle
. Fl
ower
s ar
e sk
y bl
ue to
lave
nder
, 1.2
– 2
cm
(1/2
to 3
/4 in
ch) l
ong.
Th
ere
are
2 in
terg
radi
ng v
arie
ties,
our
s is
acu
min
atus
. H
abita
t: O
pen
sand
y pl
aces
. Bl
oom
s Ap
ril -
June
. R
ange
: Cen
tral W
ashi
ngto
n to
N O
rego
n, a
nd S
E O
rego
n to
the
Snak
e R
iver
Pla
in o
f Ida
ho. 2
100
– 46
00’.
Gro
win
g co
nditi
ons:
Ger
min
ates
afte
r 4-1
2 w
eeks
C
MS
follo
wed
by
war
mer
tem
pera
ture
s. R
equi
res
full
sun
and
sand
y or
gra
velly
soi
l in
the
gard
en.
22
Pens
tem
on g
lobo
sus
glo
be p
enst
emon
Pr
ocer
i gro
up
8 –
24 “
tall
Ros
ette
s of
brig
ht
gree
n le
aves
with
er
ect f
low
er
stem
s. B
asal
an
d st
em le
aves
ov
al w
ith p
oint
ed
tip.
Smal
ler
leav
es c
lasp
st
em.
Fl
ower
s to
¾ “
long
, brig
ht b
lue
to p
urpl
e bl
ue.
In
smal
l clu
ster
s, o
r m
ore
ofte
n in
one
la
rge
glob
e at
st
em to
p.
Hab
itat:
Moi
st to
ver
nally
wet
mea
dow
s at
hig
h el
evat
ion.
Blo
oms
in s
umm
er a
nd fa
ll.
Ran
ge: W
allo
wa
Mou
ntai
ns o
f NE
Ore
gon,
to c
entra
l Id
aho
and
the
edge
of M
onta
na.
Thi
s is
the
pens
tem
on y
ou n
otic
e fil
ling
larg
e m
eado
ws
with
br
illian
t blu
e al
l sum
mer
in th
e E
agle
Cap
Wild
erne
ss.
Gro
win
g co
nditi
ons:
Ger
min
ates
afte
r 12
wee
ks o
f C
MS.
One
of t
he fe
w p
enst
emon
s th
at e
njoy
s m
oist
co
nditi
ons.
Blo
oms
in la
te s
prin
g in
LaG
rand
e.
23
Pens
tem
on p
roce
rus
tiny
flow
ered
pen
stem
on
Pr
ocer
i gro
up
2-16
” tal
l Le
aves
thin
, ova
te, a
nd e
ntire
.
Inflo
resc
ence
is a
ser
ies
of d
ense
who
rls o
f dow
nwar
d fa
cing
flow
ers
to ¾
“ lo
ng.
Flow
ers
com
e in
sha
des
of
blue
, pur
ple,
pin
k an
d w
hite
. Th
ere
are
6 va
rietie
s, 2
of
them
foun
d in
our
are
a.
Hab
itat:
Ligh
tly s
hade
d to
ope
n ro
cky
slop
es, f
rom
mid
to
hig
h el
evat
ion.
R
ange
: Al
aska
and
the
Yuko
n to
Cal
iforn
ia, M
onta
na,
and
Col
orad
o.
Gro
win
g co
nditi
ons:
Ger
min
ates
afte
r 8 w
eeks
CM
S.
One
of t
he e
asie
st P
enst
emon
s to
gro
w in
the
LaG
rand
e ar
ea.
Tole
rant
of m
any
soil
type
s. B
loom
tim
e is
late
spr
ing
in to
wn,
and
may
ext
end
to fa
ll if
perio
dica
lly w
ater
ed.
Doe
s w
ell i
n pa
rt sh
ade
and
clum
ps a
re lo
ng-li
ved.
24
Pens
tem
on ry
dber
gii
Ryd
berg
’s p
enst
emon
Pr
ocer
i gro
up
8-25
” tal
l Si
mila
r to
P.
proc
erus
, but
of
ten
talle
r with
sl
ight
ly la
rger
flo
wer
s w
hich
do
not f
ace
dow
nwar
d.
Who
rls o
f flo
wer
s ar
e w
ell
sepa
rate
d. T
here
ar
e 3
varie
ties;
ou
rs is
or
eoch
aris
.
Hab
itat:
Pref
ers
a m
oist
clim
ate,
in m
eado
ws,
ligh
tly
fore
sted
are
as, a
nd a
long
stre
ams
in it
s na
tive
habi
tat.
R
ange
: Cen
tral W
ashi
ngto
n ea
st o
f the
Cas
cade
s E
to
Mon
tana
and
S to
Cal
iforn
ia, a
nd S
ierra
s to
Uta
h an
d N
ew M
exic
o.
Gro
win
g co
nditi
ons:
Ger
min
ates
afte
r 12
wee
ks o
f C
MS.
Lon
g-liv
ed, p
refe
rs m
oist
er s
oils
in th
e ga
rden
.
I hav
e fo
und
it pr
efer
s lig
ht s
hade
in L
aGra
nde.
25
Pens
tem
on a
ttenu
atus
tap
er le
aved
pen
stem
on
Pr
ocer
i gro
up
1-2
ft. ta
ll Th
e le
aves
of t
he b
asal
ro
sette
are
on
shor
t pe
tiole
s, la
nceo
late
ova
te
and
entir
e to
slig
htly
to
othe
d. C
aulin
e le
aves
are
redu
ced.
M
ore
mat
t-for
min
g th
an P
. pro
ceru
s, th
is s
peci
es is
al
so k
now
n as
an
easy
-goi
ng g
arde
n su
bjec
t. C
lum
ps
are
up to
2 ft
. acr
oss.
The
4 v
arie
ties
vary
in fo
rm fr
om
delic
ate
to s
turd
y an
d in
col
or fr
om d
eep
blue
to
purp
le, y
ello
w, w
hite
, and
cre
am.
26
Hab
itat:
Low
to h
igh
elev
atio
ns in
pin
e w
oods
to o
pen
grav
elly
slo
pes,
with
one
var
iety
gro
win
g in
mar
shy
area
s.
Ran
ge: C
entra
l Was
hing
ton
and
NE
Ore
gon
to W
M
onta
na, S
Idah
o an
d W
yom
ing.
G
row
ing
cond
ition
s: It
is p
roba
bly
the
mos
t pro
lific
pe
nste
mon
in th
e St
arke
y Ex
perim
enta
l For
est a
rea
NE
of L
aGra
nde,
see
n on
the
edge
s be
twee
n Po
nder
osa
pine
sta
nds
and
vern
ally
moi
st m
eado
ws.
Se
eds
germ
inat
e af
ter 3
-4 w
eeks
at 7
0 F.
Pe
nste
mon
spa
tula
tus
Wal
low
a M
ount
ain
pens
tem
on
Proc
eri g
roup
4-
10 “
tall
Pros
trate
mat
of s
tem
s. L
eave
s ar
e m
ostly
bas
al a
nd
entir
e, o
blon
g to
spa
tula
te, 2
-6 c
m (3
/4 -2
1/4
inch
es)
long
. Th
e in
flore
scen
ce is
a n
arro
w c
row
ded
and
glan
dula
r pan
icle
of 2
-4 v
ertic
illas
ters
. Fl
ower
s ar
e pa
le b
lue
to v
iole
t with
dar
k gu
ide
lines
, 10-
13 m
m (3
/8
to 1
/2 in
ch) l
ong.
H
abita
t: O
pen
rock
y te
rrain
of s
ubal
pine
are
as.
Bloo
ms
July
thro
ugh
Augu
st.
Ran
ge: E
ndem
ic to
the
Wal
low
a M
ount
ains
. >90
00 ft
. G
row
ing
cond
ition
s: G
erm
inat
es a
fter 8
wee
ks o
f C
MS
.
27
Pens
tem
on c
onfe
rtus
yel
low
pen
stem
on
Proc
eri g
roup
8-
20 “
tall
Form
s sm
all m
ats
with
upr
ight
ste
ms
and
dens
e w
horls
of
flow
ers.
Lea
ves
are
lanc
e sh
aped
, brig
ht g
reen
and
th
in.
Flow
ers
are
crea
m o
r pal
e ye
llow
, up
to ½
inch
lo
ng.
H
abita
t: Va
riety
of h
abita
ts, f
rom
rock
y to
goo
d so
ils,
at lo
w to
sub
alpi
ne e
leva
tion,
and
mea
dow
s to
fore
sted
si
tes.
R
ange
: SE
Briti
sh C
olum
bia
and
SW A
lber
ta to
C
asca
de fo
othi
lls in
Was
hing
ton,
W to
Mon
tana
and
S
to N
E O
rego
n. 4
000-
10,0
00 ft
. G
row
ing
cond
ition
s: G
erm
inat
es a
fter 8
wee
ks C
MS
and
light
.
28
Pens
tem
on h
umili
s lo
w p
enst
emon
Hum
iles
grou
p 2-
14 “
tall
Prod
uces
sev
eral
ste
ms
from
a c
lum
p. L
eave
s ar
e en
tire,
2-5
cm
(1-2
inch
es) l
ong
and
gray
-gre
en.
The
inflo
resc
ence
is o
pen,
nar
row
, and
gla
ndul
ar.
Flow
ers
are
deep
blu
e, c
ylin
dric
al a
nd 1
-1.7
cm
long
with
ye
llow
bea
rded
pal
ate.
H
abita
t: D
ry ro
cky
plac
es a
nd fo
othi
lls, c
omm
only
with
sa
gebr
ush.
Blo
oms
May
to A
ugus
t. R
ange
: E o
f Cas
cade
s in
cen
tral W
ashi
ngto
n S
to
Cal
iforn
ia a
nd E
to c
entra
l Ida
ho, W
Wyo
min
g an
d S
Uta
h.
Gro
win
g co
nditi
ons:
Ger
min
ates
afte
r 8 w
eeks
of
CM
S an
d ex
hibi
ts 2
nd y
ear g
erm
inat
ion.
Pla
nts
are
long
-live
d in
the
gard
en.
29
Pens
tem
on w
ilcox
ii W
ilcox
’ pen
stem
on
Hum
iles
grou
p 16
-40
“ tal
l Pr
oduc
es s
ever
al s
lend
er
stem
s fro
m a
clu
mp.
Lea
ves
are
glab
rous
, elli
ptic
to d
elto
id,
1 ½
to 8
inch
es lo
ng a
nd
petio
led
for a
bout
hal
f the
ir le
ngth
, and
ser
rate
. Th
e in
flore
scen
ce is
airy
, a
broa
dly
spre
adin
g pa
nicl
e. F
low
ers
are
brig
ht b
lue
with
a p
ale
thro
at a
nd g
uide
line
s, fu
nnel
sha
ped
and
½ in
ch to
nea
rly 1
inch
long
.
Hab
itat:
Ope
n ro
cky
site
s to
thic
k fo
rest
and
from
low
to
sub
alpi
ne e
leva
tion.
R
ange
: N Id
aho
and
NW
Mon
tana
to S
E W
ashi
ngto
n,
NE
Ore
gon
and
S Id
aho.
G
row
ing
cond
ition
s: G
erm
inat
es a
fter 8
-12
wee
ks
CM
S an
d lig
ht.
Gro
ws
in b
oth
sun
and
shad
e in
the
gard
en.
30
Pens
tem
on e
lega
ntul
us e
lega
nt p
enst
emon
H
umile
s gr
oup
4-12
“ ta
ll Pr
oduc
es s
ever
al s
lend
er s
tem
s fro
m a
clu
mp.
Fin
ely
pube
scen
t bel
ow in
fl. L
eave
s ar
e gl
abro
us to
fine
ly
pube
scen
t, la
nceo
late
to e
llipt
ic, t
o 4
inch
es lo
ng a
nd
shor
t to
long
pet
iole
d. T
he in
flore
scen
ce is
com
pose
d of
3-5
dis
tinct
few
-flow
ered
ver
ticill
aste
rs.
Flow
ers
are
blue
to b
lue-
viol
et, g
land
ular
and
with
low
er li
p lo
nger
th
an th
e up
per,
5/8
to 7
/8 in
ch lo
ng.
H
abita
t: U
pper
slo
pes
and
ridge
tops
in th
e op
en to
sc
atte
red
timbe
r aro
und
5400
’. R
ange
: Lim
ited
to H
ell’s
Can
yon
in O
rego
n an
d Id
aho.
G
row
ing
cond
ition
s: G
erm
inat
es a
fter 8
wee
ks C
MS.
31
Pens
tem
on d
eust
us h
ot ro
ck p
enst
emon
D
eust
i gro
up
8-16
“ ta
ll D
ense
woo
dy
clum
ps w
ith m
uch
basa
l bra
nchi
ng.
Leav
es m
ostly
to
othe
d. B
asal
leav
es to
2 in
. on
shor
t pet
iole
s;
caul
ine
leav
es s
essi
le to
cla
spin
g, re
duce
d up
war
d.
Inflo
resc
ence
sev
eral
to m
any
verti
cilla
ster
s in
a s
pike
-lik
e pa
nicl
e. F
low
ers
whi
te to
pal
e ye
llow
with
or
with
out r
ed to
pur
ple
guid
elin
es, 8
– 2
0 m
m lo
ng.
H
abita
t: D
ry ro
cky
cliff
s fro
m lo
w to
sub
alpi
ne e
lev.
R
ange
: Cen
tral W
ashi
ngto
n to
SW
Mon
tana
, NW
W
yom
ing,
NW
Uta
h, a
nd S
Cal
iforn
ia. B
loom
s la
te
sprin
g to
ear
ly s
umm
er. 2
600
– 90
00 ft
. G
row
ing
cond
ition
s: G
erm
inat
es a
fter 8
wee
ks o
f C
MS.
Eas
y to
gro
w b
ut c
ondi
tions
mus
t be
dry.
32
Pens
tem
on g
aird
neri
Gai
rdne
r’s p
enst
emon
G
aird
neria
ni g
roup
4-
16 “
tall
Seve
ral s
tem
s fro
m a
mat
-form
ing
clum
p. L
eave
s ar
e gr
ey-g
reen
, nar
row
to li
near
, ent
ire, n
umer
ous,
1-7
cm
(2
¾ in
ch) l
ong
and
2-3
mm
wid
e, m
ostly
alte
rnat
e,
and
finel
y pu
besc
ent t
hrou
ghou
t. T
he in
flore
scen
ce is
a
few
flow
ered
race
me.
Flo
wer
s ar
e la
vend
er to
rose
w
ith w
hite
thro
at, n
arro
w tu
be a
nd w
idel
y ex
pand
ing
peta
ls, 1
4-22
mm
(1/2
to ¾
inch
) lon
g.
Hab
itat:
Dry
rock
y sa
gebr
ush
site
s at
low
to m
oder
ate
elev
atio
ns.
Bloo
ms
June
to J
uly.
R
ange
: Cen
tral W
ashi
ngto
n to
eas
tern
Ore
gon
and
Valle
y C
o., I
daho
. 325
0 –
5800
’ G
row
ing
cond
ition
s: G
erm
inat
es a
fter 2
-3 m
onth
s at
40
F a
nd li
ght.
33
Refe
renc
es a
nd R
esou
rces
Book
s W
ay, D
avid
and
Pet
er J
ames
. 20
03.
The
Gar
dene
r’s
Gui
de to
Gro
win
g Pe
nste
mon
s. T
imbe
r Pre
ss.
Portl
and,
OR
. Tu
rner
, Mar
k an
d Ph
yllis
Gus
tafs
on.
2006
. W
ildflo
wer
s of
the
Paci
fic N
orth
wes
t. T
imbe
r Pre
ss.
Portl
and,
OR
. St
rickl
er, D
ee.
1997
. Nor
thw
est P
enst
emon
s.
Flow
er P
ress
. C
olum
bia
Falls
, MT.
Li
ndgr
en, D
ale
and
Elle
n W
ilde.
200
3. G
row
ing
Pens
tem
ons:
Spe
cies
, Cul
tivar
s, a
nd H
ybrid
s.
Infin
ity P
ublis
hing
. H
aver
ford
, PA.
Sc
ient
ific
Artic
les
Mey
er, S
.E.,
S.G
. Kitc
hen
and
S.L.
Car
lson
. 19
95.
Seed
ger
min
atio
n tim
ing
patte
rns
in In
term
ount
ain
Pens
tem
on (S
crop
hula
riace
ae).
Amer
ican
Jou
rnal
of
Bota
ny 8
2(3)
: 377
-389
. W
olfe
, And
rea
et. a
l. 20
06. P
hylo
geny
, tax
onom
ic
affin
ity a
nd b
iolo
gy o
f Pen
stem
on (P
lant
agin
acea
e)
base
d on
ITS
and
cpD
NA
sequ
ence
dat
a. A
mer
ican
Jo
urna
l of B
otan
y 93
(11)
:169
9-17
13.
W
ebsi
tes
Am
eric
an P
enst
emon
Soc
iety
: http
://w
ww
.aps
dev.
org/
34
GR
OW
ISER
(Gra
nde
Ron
de O
verlo
ok W
ildflo
wer
In
stitu
te S
ervi
ng E
colo
gica
l Res
tora
tion)
: w
ww
.gro
wis
er.o
rg
Con
tact
And
y H
uber
for t
ours
(541
)962
-354
3 N
ativ
e Pl
ant S
ocie
ty o
f Ore
gon:
ht
tp://
ww
w.n
psor
egon
.org
/ W
illiam
Cus
ick
chap
ter:
http
://w
illia
mcu
sick
.nps
oreg
on.o
rg/
Nor
th A
mer
ican
Roc
k G
arde
n So
ciet
y:
http
://w
ww
.nar
gs.o
rg/
Xer
ces
Soci
ety:
http
://w
ww
.xer
ces.
org/
