Rock garden plants Penstemon  cyaneus Pennell  sect. Habroanthus 
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FamilySCROPHULARIACEAE
Genus species var.Penstemon  cyaneus Pennell  sect. Habroanthus
Territory NW.USA: Idaho, Montana, Wyoming
dry, sandy grassland
Altitudemontane
Description glabrous, leaves petiolate, oblanceolate to narrowly elliptic, stem leaves lanceolate and often amplexicaule, inflorescence open verticillate, flowers 25-35mm long
Size30-70cm
Colorbright blue
Bloomsummer
Ca
Typesubshrub
Cultivationdry, sunny site with a poor, sandy soil
alpine house, sandy soil, sun
Propagationseed in spring, barely covered, germ. 1-3 months, 13-18°C
cuttings in late summer
Version 6.0(c) 1990-2010 RNDr. Pavel Slabý