Rock Garden Plants
Helianthemum  asperum Dunal   
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FamilyCISTACEAE
Genus species var.Helianthemum  asperum Dunal 
SynonymsHelianthemum angustipetalum Cadevall
 Helianthemum polymorphum Willk.
 Helianthemum scariosum Willk.
Territory Southwestern EuropeSpain
dry, rocky slopes
Altitude0-1200m
Description leaves 1-2cm, ovate-oblong to oblong-linear, adaxially scabrous hirsute, green, abaxially grey tomentose, flowers 6-9 in cymes, corolla 2cm across
Size10-35cm
Colorwhite
Bloomspring
Ca+
Typelax shrub
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
BibliographyTutin T.G.(ed.) Flora Europaea (1964-1980)
Med-Checklist ww2.bgbm.org/mcl
Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý