Rock Garden Plants
Penstemon laetus A.Gray sect. Saccanthera 
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FamilyPLANTAGINACEAE
Genus speciesPenstemon laetus A.Gray sect. Saccanthera
BibliographyProc. Boston Soc. Nat. Hist. 7: 147 (1859)
Native Rangesc. Oregon to California
Primary BiomeTemperate
Habitatrocky slopes
Altitude400-2500m
Descriptionstems thin, inflorescence glandular hirsute, leaves entire, to 8mm, lower leaves oblanceolate, upper leaves linear, flowers 15-25mm long, in sparse raceme
Size15-80cm
Colorbluish violet
Bloomsummer
Ca
Typesubshrub
Cultivationsunny rock crevices, protection against winter wet
alpine house, poor, drained soil, sun
Propagationseed in spring, barely covered, germ. 1-3 months, 13-18°C
cuttings in late summer
SynonymsPenstemon laetus f. albus P.C.Everett
Penstemon laetus ssp. typicus D.D.Keck
Territory7 Northern America
     73 Northwestern U.S.A. (ORE Oregon)
     76 Southwestern U.S.A. (CAL California)
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(c) 1990-2025 RNDr. Pavel Slabý