Rock Garden Plants
Helianthemum  bicknellii Fernald   
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FamilyCISTACEAE
Genus species var.Helianthemum  bicknellii Fernald 
SynonymsCrocanthemum bicknellii (Fernald) Barnhart
 Helianthemum canadense var. walkerae Evans
 Helianthemum walkerae (Evans) Lyon
Territory
dry, stony grassland
Description stems grey hirsute, leaves oblanceolate to elliptic, ca. 25mm long, abaxially densely pubescent, flowers 2-15, ca. 25mm across, in lax, racemose corymb
Size40-60cm
Coloryellow
Bloomsummer
Ca
Typetuft, fl. stem ascending
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
cuttings in late summer
BibliographyScoggan, H.J. (1978-1979) The Flora of Canada
USDA Plants Database plants.usda.gov
Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý