Achillea millefolium occidentalis,
Western Yarrow (Native)
Native, western United States sub-species of white/common yarrow. Relatively short-lived, erect, perennial, 6 inches – 2 ft. tall. Rhizomatous, drought-tolerant and aromatic. Small clusters of white flowers bloom in late spring and summer. Does best in medium textured soils but will establish and grow in most soils. Minimum precip. is 8 inches. Valuable for wildflower mixes and for revegetation and stabilization on roadsides, mines sites etc. Low palatability for most livestock but very valuable for wildlife habitat restoration including sage grouse. As well as being native to the western US this subspecies is much less aggressive and invasive than some of the other subspecies of yarrow. Plant in fall or spring ¼ inch or less deep. 2,770,000 seeds/lb.
Named Releases: ‘Great Northern’ (Selected Class) (Germplasm)
Released in 2004 by the Bridger, MT PMC. Origin is from the Flat Head NF in MT. Selected from 28 other accessions for vigor, height, seed production and survival characteristics.
‘Yakima’– (SID release.) Composite release from 27 collection sites on the US Army Yakima Training Center in Yakima, WA released by the Logan, UT ARS and RRL. Intended use is for the restoration of western rangelands.
‘Eagle’– (SID release.) Origin is from near Eagle ID. Shows good establishment characteristics in sagebrush communities.