Rock Garden Plants
Penstemon  davidsonii Greene  sect. Dasanthera 
Home
Families
Genus
Territory
Habitat
Synonyms
Types
Galery
Info
FamilyPLANTAGINACEAE
Genus species var.Penstemon  davidsonii Greene  sect. Dasanthera
SynonymsPenstemon menziesii ssp. davidsonii (Greene) Piper
 Penstemon menziesii ssp. thompsonii Pennell & D.D.Keck
Territory Western CanadaNorthwestern U.S.A.Southwestern U.S.A.British ColumbiaCaliforniaNevadaOregonWashington
rocks
Altitudemontane-alpine
Description adpressed pubescent, leaves ovate, glabrous, shortly petiolate, inflorescence compact, few flowered raceme, flowers 20-25mm long, outside glabrous
Size5-10cm
Colorreddish violet
Bloomsummer
Ca
Typesubshrub, carpet
Cultivationsunny, dry, rock crevices, protection against winter wet
alpine house, poor, drained soil, sun
Propagationseed in spring, barely covered, germ. 1-3 months, 13-18°C
green cuttings in late summer
BibliographyHitchcock, C.L.: Vascular Plants of the Pacific Northwest
USDA Plants Database plants.usda.gov
Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý