Rock Garden Plants
Chaenactis  thompsonii Cronquist  trib. Helenieae 
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FamilyASTERACEAE
Genus species var.Chaenactis  thompsonii Cronquist  trib. Helenieae
Territory Northwestern U.S.A.Washington
rocky slopes
Altitude900-2200m
Description taproot, leaves thinly tomentose, mainly on stems, flat, pinnatipartite, to 5cm long, capitula few or solitary, involucre turbinate, lanate
Size10-30cm
Colorwhite
Bloomsummer
Ca
Typetuft
Cultivationsunny, dry, rock crevices, protection against winter wet
alpine house, poor, drained soil, sun
Propagationseed in spring, barely covered, germ. 1 month, 10-16°C
cuttings in late 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