
Heather
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on June 4, 2011
The easiest way to to make sure that you cut the seed heads off after they fade. Most cultivated varieties of yarrow do not become invasive, but common yarrow (the white kind) can become invasive and you need to be diligent about removing seed heads to keep it in check.
Was this answer useful?
00