Achillea millefolium
yarrow
 
Yarrow is the plant equivalent of that friend who shows up on time, helps clean up, and never complains about the weather. Its finely divided, fern-like foliage forms a low, spreading mat, and by early to mid-summer it sends up sturdy stems topped with flat clusters of white flowers, typically 1–3 feet tall. The texture reads soft, but the plant itself is tough.
 
It thrives in full sun and well-drained soils — sandy, gravelly, lean, even compacted. Once established, it tolerates drought and foot traffic and can be incorporated into low-input lawns, meadow mixes, or slope stabilizations. It spreads gradually by rhizomes, helping knit soil together without becoming unruly.
 
The broad, flat flower clusters function as landing pads for short-tongued native bees, syrphid flies, predatory wasps, small butterflies, and a long list of beneficial insects. It also hosts several moth larvae. If you are building a resilient planting that works harder than it looks like it should, yarrow belongs in it.
 
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photo by B. Drews