Rock Garden Plants
Erigeron  tweedyi Canby  trib. Astereae 
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FamilyASTERACEAE
Genus species var.Erigeron  tweedyi Canby  trib. Astereae
Territory Northwestern U.S.A.IdahoMontanaWyoming
dry, rocky slopes
Altitude1600-3000m
Description taproot, leaves finely, densely greyish strigose, obovate to suborbiculate, to 25mm long, stem leaves few, reduced, capitula 1-4, ligule 20-50, 5-9mm long
Size5-20cm
Colorblue, purple, white
Bloomsummer
Ca+
Typetuft, fl. stem ascending
Cultivationsunny, dry, rock crevices, protection against winter wet
alpine house, poor, drained soil, sun
Propagationseed in spring, barely covered, germ. 1 month, 16-21°C
cuttings in spring and late summer
BibliographyFlora of North America www.eFloras.org
Compositae Checklist compositae.landcareresearch.co.nz
Picture
Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý