Rock Garden Plants
Penstemon  debilis OŽKane & J.L.Anders.   
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FamilyPLANTAGINACEAE
Genus species var.Penstemon  debilis OŽKane & J.L.Anders. 
Territory Northwestern U.S.A.Colorado
rocks
Description leaves only on stem, succulent, obovate, elliptic or oblanceolate, glabrous, intensely glaucous, entire, 12-25mm long, flowers 17-20mm long
Size5-10cm
Colorpale blue, white
Bloomsummer
Ca
Typecarpet
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
cuttings in late summer
Bibliography
USDA Plants Database plants.usda.gov
Version 8.0
(c) 1990-2016 RNDr. Pavel Slabę