Yarrow in Zone 6a
Achillea millefolium
Method: Either — Start indoors for an earlier harvest, or direct-sow outside for less fuss — Yarrow tolerates either.
| Start indoors | Feb 21–Feb 28 |
|---|---|
| Direct sow / transplant outside | Apr 25–May 2 |
| Estimated bloom | ~100 days after planting |
Spacing: 1 per square foot (square-foot-gardening spacing).
Good companions
No standout companions recorded yet for Yarrow.
Where to buy yarrow seeds
Some links on this page go to retailers we may eventually earn a commission from as an affiliate, at no extra cost to you. We only recommend products with a genuine consensus of positive, independent reviews — see the sources cited on each item.
See it growing
Search YouTube for "growing yarrow" videos → (a live search, not a hand-picked video — results vary and aren't vetted by us)
← Back to the full zone 6a calendar · Full companion planting guide · Plan your beds in the Garden Designer →