Achillea millefolium
Yarrow
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Provide full to part sun (4+hrs/day).
This native was collected from the Flint Hills region of the Kansas prairie. Soil type is clay to loamy clay. This plant should do well in similar soil and can tolerate rocky areas as well.
Native to hardiness zone 6b (-5 to 0 °F).
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Yarrow can tolerate droughty conditions once established. During the plant’s first 1-2 years, water deeply when the top 2-4 inches of soil is dry..
Yarrow does not need extensive nutrient support. If you know that your soil is poor, consider adding a small amount of compost at planting, working it evenly into the surrounding top 6-8” of soil.
If you know that your soil has acidic leanings, consider amending with lime. (Most Kansas soils don’t have this issue.)
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As a perennial, yarrow is best established after soil has warmed in May/June or 4-6 weeks before our first frost in the fall.
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Season-Long (May-October)
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Yarrow is perennial, forming a taproot and spreading year to year in a clumping habit.
It may be necessary to divide clumps every 3-5 years.
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Yarrow has medicinal value and was included in teas by Indigenous people to treat various ailments.
Not only is it ornamental, yarrow dries nicely to use in decor throughout the home.