Rock Garden Plants
Artemisia  rigida (Nutt.) A.Gray  trib. Anthemideae 
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FamilyASTERACEAE
Genus species var.Artemisia  rigida (Nutt.) A.Gray  trib. Anthemideae
SynonymsArtemisia trifida var. rigida Nutt. (basionym)
 Seriphidium rigidum (Nutt.) W.A,Weber
Territory Northwestern U.S.A.IdahoMontanaOregonWashington
dry, rocky slopes
Altitude1500-1800m
Description leaves silvery grey, rigid, broadly spathulate, trilobate, densely hirsute, capitula in densely leafy spike, involucre narrowly campanulate, phyllaries elliptic, pilose
Size20-40cm
Coloryellowish red, red
Bloomsummer
Ca
Typeshrub
Cultivationsunny, dry, rock crevices, protection against winter wet
alpine house, poor, drained soil, sun
Propagationseed in spring, barely covered, germ. 1 month, 13-16°C
cuttings in late summer
BibliographyFlora of North America www.eFloras.org
Compositae Checklist compositae.landcareresearch.co.nz
Version 8.0
(c) 1990-2016 RNDr. Pavel Slabý