Rock Garden Plants
Horkelia  rydbergii Elmer   
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FamilyROSACEAE
Genus species var.Horkelia  rydbergii Elmer 
SynonymsHorkelia bolanderi ssp. parryi (S.Watson) D.D.Keck
 Potentilla bolanderi var. rydbergii (Elmer) Jeps.
Territory Southwestern U.S.A.California
grassland
Altitude1200-2800m
Description stems densely hirsute, basal leaves numerous, crowded, shortly sericeous, leaflets 8-12-pairs, 5mm long, sessile, broadly cuneate, dentate, flowers in lax cyme
Size10-70cm
Colorwhite
Bloomsummer
Ca
Typetuft
Cultivationmesic, slightly humous, sunny site
alpine house, moist, rich, drained soil, sun
Propagationseed in spring, barely covered, germ. 1-3 months, 18-21°C
division in early spring; cuttings in late summer and fall
BibliographyFlora of North America www.eFloras.org
USDA Plants Database plants.usda.gov
Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý