Rock Garden Plants
Erigeron  rydbergii Cronquist  trib. Astereae 
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FamilyASTERACEAE
Genus species var.Erigeron  rydbergii Cronquist  trib. Astereae
Territory Northwestern U.S.A.IdahoMontanaWyoming
grassland
Altitude2000-3200m
Description taproot, leaves glabrous, the basal narrowly oblanceolate, to 5cm long, stem leaves linear, capitula solitary, crateriform, disc 7-12mm across, ligules 15-35, 6-9mm long
Size3-6cm
Colorbluish, purplish, white
Bloomsummer
Ca
Typetuft
Cultivationmesic, slightly humous, sunny site
alpine house, moist, rich, 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
Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý