extreme cold-hardiness
TRANSCRIPT
Extremely Cold Hardy Perennials
Achillea AdenophoraAegopodiumAjugaAlceaAlchemillaAmsoniaAnchusaAnenome sylvestrisAnthemisAquilegiaArabisArmeriaArtemisiaAruncusAsclepiasAsterAuriniaBaptisia australisBergeniaBrunneraCampanulaCerastiumConvallariaDelphiniumDicentraEchinopsEupatoriumAthyriumMatteuccia
GaillardiaChasmanthium latifoliumHelictotrichonPhalarisSchizachyriumSporobolusGypsophilaHeliopsisHemerocallisHostaHouttuyniaIberisTall Bearded IrisSiberian IrisLamiumLathyrusLiatrisLobelia cardinalisLychnisMyosotisNepetaOenothera missouriensisGarden PeonyPapaverPenstemonPhlox subulataPlatycodonPolemoniumPolygonatumPulmonariaSalviaSaponariaSedumSempervivumTanacetumThalictrumThymusTradescantiaTrollius
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Brunnera
Alcea
Hosta
Delphinium
Garden Peony
Where perennial lovers go for good dirt.
Hardy to Zone 3 (-40°F) or colder
Papaver