Could you tell me if a snowmound spirea is sensitive to juglone or can it be planted near a walnut tree? Thank you.
Lapeer County Michigan
Spirea are sensitive to juglone. For more information about plants that are tolerant of juglone, you may find this webpage helpful: https://extension.psu.edu/landscaping-and-gardening-around-walnuts-and-other-juglone-producing-plants