Western Yarrow is a small perennial that spreads by rhizomes. It varies by locale from 1-4'. The cream-colored (off-white?) flowers are in 3- 4"clusters. It's native to the western U.S. and is drought tolerant, swamp tolerant., somewhat alkali tolerant. Yarrow is native on the nursery property growing in the shade of Quercus douglasii, with Lonicera interrupta and Stipa lepida (Nassella lepida) in sandy loam to clay, north slope to south slope. Give full sun near coast, part shade inland.
In the Big Sur area this Yarrow can be found right on the coastal bluff.
(Achillea borealis ssp. californica (Munz))
Achillea millefolium var. californica tolerates alkaline soil, sand, clay, seasonal flooding, high traffic(people walking on it) and deer.
Achillea millefolium var. californica is great for a butterfly garden.
Foliage of Achillea millefolium var. californica has color lt-green and is stressdeciduous.
Flower of Achillea millefolium var. californica has color white.
Communities for Achillea millefolium var. californica:Alkali Sink, Chaparral, Coastal Sage Scrub, Coastal Strand, Valley Grassland, Coastal Prairie, Redwood Forest, Yellow Pine Forest and Central Oak Woodland.