Rock Garden Plants
Sphaeromeria  ruthiae A.H.Holmgren & al.  trib. Anthemideae 
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FamilyASTERACEAE
Genus species var.Sphaeromeria  ruthiae A.H.Holmgren & al.  trib. Anthemideae
SynonymsArtemisia ruthiae (A.H.Holmgren & al.) Sonia Garcia & al.
Territory Southwestern U.S.A.Utah
rocks
Altitude1900-2000m
Description silvery grey, leaves broadly linear, entire, lower leaves to 9cm long, pinnate, ternate or quinate, segments broadly linear, capitula in dense inflorescence, disc 4-5mm across
Size30-60cm
Coloryellow
Bloomautumn
Ca
Typesubshrub
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