Question: If I plant what I think is Achillea millefolium, will it cross pollinate with the yellow yarrow already in my …
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Question
If I plant what I think is Achillea millefolium, will it cross pollinate with the yellow yarrow already in my yard? If so, how far apart would they need to be to not do so? Thanks.
Answer
Dear TranquilHaven02054, it is unlikely those two species will pollinate each other. The different flower color will attract different pollinators (in most cases) and the different species may not be compatible with one another. I have not seen reports in North America of such species hybridizing with one another.
