Black Walnuts

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cactusloverlady Menasha, WI Feb 08, 2016

Hello, Does anyone have experience gardening close to black walnut trees? I have such problems with vegetables every year. Any suggestions?? cll

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kittriana Magnolia, TX(Zone 9a) Feb 20, 2016

Black walnuts are one of the woods that block growth of any plants near it. I would need to go research to find the hard data names to give you, but it is one of the woods known to kill others. There are several on this list, I will try to go find them.

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kittriana Magnolia, TX(Zone 9a) Feb 20, 2016

Allelopathy, hydrojuglone, this article has a list and explains.

https://www.ces.ncsu.edu/fletcher/staff/rbir/blackwalnutcompanions.html

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cactusloverlady Menasha, WI Feb 20, 2016

kittriana, Thank-you for your help.

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brendak654 Anna, IL(Zone 6b) Mar 08, 2016

My raspberries tolerated the black walnut. It is my understanding that a few things will tolerate the black walnut, but most will not. I now have some vinning honeysuckle growing on a trellis under my black walnut.

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cactusloverlady Menasha, WI Mar 09, 2016

brendak654, Thanks for your reply. I think I'll just plant annual seeds in the old veggie garden. I give up. cll

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