Rock Garden Plants
Viola  hallii A.Gray  sect. Viola 
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FamilyVIOLACEAE
Genus species var.Viola  hallii A.Gray  sect. Viola
Territory Northwestern U.S.A.Southwestern U.S.A.CaliforniaOregon
dry, rocky slopes
Altitude300-2000m
Description glabrous, leaves 3-pinnate, segments linear, flowers 10-15mm across, stigma long barbate
Size5-10cm
Colorreddish white
Bloomspring
Ca
Typetuft
Cultivationsunny, dry, rock crevices, protection against winter wet
alpine house, poor, drained soil, sun
Propagationseed in winter, barely covered, germ. 1-3 months, 13-16°C
division after flowering and in fall
BibliographyHitchcock, C.L.: Vascular Plants of the Pacific Northwest
USDA Plants Database plants.usda.gov
Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý