Weeping Willow Trees
Q.

tree topic

Zone 46544 | abaker5190 added on May 10, 2016 | Answered

What are the damages, if any, to ground cover under a weeping cherry tree? I have been told that ground becomes high in negative nutrients. Care to comment, please.

A.
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Downtoearthdigs
Certified GKH Gardening Expert
Answered on May 11, 2016

I believe you are referring to the chemical Juglone, which is given off by the roots of certain trees. Black Walnut is one of the worst alleopathy culprits.
Black Cherry Tree is listed as alleophatic, but you do not need to worry about a Weeping Cherry Tree.

Here are some articles with more information.

https://www.gardeningknowhow.com/ornamental/trees/weeping-cherry/weeping-cherry-growing-tips.htm
https://www.gardeningknowhow.com/garden-how-to/info/allelopathic-plants.htm
https://www.gardeningknowhow.com/garden-how-to/mulch/using-nut-hulls-as-mulch.htm

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