Toxic trees that can effect other garden plants & shrubs?

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Morph Dayton, OH(Zone 5a) May 15, 2003

Someone else (hillbilliebo) had asked if walnut trees kill fruit trees. This got me to thinking about Buckeye trees and other trees in general.

Hillbilliebo had mentioned that a walnut tree puts out a 'toxin' from their roots that tends to inhibit germination and growth for many plants. Does anyone know more about this with other common trees and/or shrubs in general?

I'm putting so much time into the landscape and I hadn't even heard of this possibility before. I have several Buckeye seedlings that I was going to transplant in the Fall unless they are toxic, too.

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treelover3 Minneapolis, MN(Zone 5a) May 15, 2003

Do a www.google.com search for juglone. Juglone is the chemical that black walnut trees (and butternut trees) put into the soil.
Mike

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Morph Dayton, OH(Zone 5a) May 15, 2003

Tink you, Treelover!

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