Rock Garden Plants
Penstemon  tidestromii Pennell  sect. Habroanthus 
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FamilyPLANTAGINACEAE
Genus species var.Penstemon  tidestromii Pennell  sect. Habroanthus
Territory Southwestern U.S.A.Utah
thickets
Altitude1500-1700m
Description grey-green, strigose on leaves and in inflorescence, lower leaves 10cm, lanceolate, flowers in secund spike, flowers 15-20mm long, staminodium densely barbate
Size15-60cm
Colorblue, violet
Bloomsummer
Ca
Typetuft
Cultivationmesic, slightly humous, semi-shady site
alpine house, moist, rich, drained soil, semi-shade
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