Rock Garden Plants
Helianthemum  propinquum E.P.Bicknell   
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FamilyCISTACEAE
Genus species var.Helianthemum  propinquum E.P.Bicknell 
SynonymsCrocanthemum propinquum (E.P.Bicknell) E.P.Bicknell
Territory Northeastern U.S.A.Southeastern U.S.A.
dry, sandy grassland
Description stem leaves shortly petiolate, oblanceolate to narrowly oblanceolate-elliptic, adaxially dark green, abaxially tomentose, obtuse to acute, entire, flowers in cyme
Size8-25cm
Coloryellow
Bloomspring, summer
Ca
Typetuft
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
Bibliography
USDA Plants Database plants.usda.gov
Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý