Rock Garden Plants
Phlox  richardsonii Hook.   
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FamilyPOLEMONIACEAE
Genus species var.Phlox  richardsonii Hook. 
SynonymsPhlox sibirica ssp. richardsonii (Hook.) Hultén
 Phlox sibirica var. richardsonii (Hook.) S.L.Welsh
Territory Subarctic AmericaAlaskaNunavutNorthwest TerritoriesYukon
tundra
Altitudearctic-subarctic
Description stems numerous, densely leafy, leaves broadly subulate, 5-6mm, erect, mucronate-acerose, white lanate, flowers sessile, calyx lanate, lobes of corolla ovate-orbiculate
Size3-5cm
Colorlilac
Bloomsummer
Ca
Typecarpet
Cultivationhumous, moist, but in winter drier, semi-shady site
alpine house, moist, humous soil, shading in summer
Propagationseed in spring, barely covered, germ. 1-3 months, 16-18°C
division in spring; cuttings in spring and 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