Western Yarrow (Achillea millefolium) is a widespread native wildflower that features large, flat clusters of creamy-white flowers and graceful, fern-like foliage. It a common flower in Utah meadows and beloved by pollinators and predatory insects! Plant in garden beds or mixed borders, cottage gardens, naturalistic prairie and meadow gardens, cut flower gardens, or fruit tree guilds. Yarrow spreads by both seed and underground rhizomes, so plant in a large, naturalistic planting that allows this spread, or clip spent blooms before they go to seed in smaller areas. Yarrow is highly tolerant of urban pollution and city environments.
Photo Credit: Sonnia Hill
Expected 2025 Availability- Late April
Western Yarrow
Irrigation Requirement: Very Low (Water to Establish) or Low (1/2" every 10-14 days)
Mature Size: 2 - 3' tall and 1 - 2' wide
Spacing: 18 - 24" apart
Bloom Colors: White
Bloom Season: May - September or October
Hardiness Zone: 3 - 9
Light Requirement: Full Sun or Partial Shade
Deer Resistant: Yes
Salt Tolerant: Moderately
Soils: Prefers well-draining sand or loam soils, but will tolerate clay if not overwatered.
Plants in the genus Achillea are host species for 12 known native pollinators. They are also an important nectar source for many pollinators.