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Walnut Trees

Q.Walnut Tree Causing Damp Patches

Zone nr135ea norfolk uk | hudsonv92 added on April 23, 2020 | Answered

I have a large walnut tree and now have damp patches like water damp on my ground is it the tree causing this.

A.Answers to this queston: Add Answer
BushDoctor
Certified GKH Gardening Expert
Answered on April 24, 2020

Unfortunately, your photo did not come through. It is likely not the cause. It probably doesn't help, though.

Likely, under the tree, rain will not evaporate as fast as in the open. That may be what is causing the spots in your lawn.

Walnuts are also notorious for killing off certain plants and grasses, though.

Here is an article that will help:

https://www.gardeningknowhow.com/garden-how-to/info/allelopathic-plants.htm

https://www.gardeningknowhow.com/edible/nut-trees/black-walnut/black-walnut-compatible-plants.htm

https://www.gardeningknowhow.com/edible/nut-trees/pecan/pecan-tree-toxicity.htm

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