Rock Garden Plants
Penstemon  strictus Benth.  sect. Habroanthus 
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FamilyPLANTAGINACEAE
Genus species var.Penstemon  strictus Benth.  sect. Habroanthus
SynonymsPenstemon strictus ssp. angustus Pennell
Territory Northwestern U.S.A.Southwestern U.S.A.South-Central U.S.A.ArizonaCaliforniaColoradoNew MexicoUtahWyoming
dry, stony grassland
Altitudemontane
Description glabrous, bluish, basal leaves oblong-spathulate, stem leaves linear-lanceolate, sessile, acute, inflorescence long and narrow, flowers 25-30mm long
Size30-80cm
Colordark violet
Bloomsummer
Ca+
Typetuft
Cultivationsunny site with a deep, drained soil
alpine house, rich, drained soil, sun
Propagationseed in spring, barely covered, germ. 1-3 months, 13-18°C
division in spring; cuttings in late summer
BibliographyCronquist, A. et al. (1972-2005) Intermountain Flora
USDA Plants Database plants.usda.gov
Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý