Is the leaking sap from a Walnut tree root poisonous? Thank you.

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1 Comment To "Is the leaking sap from a Walnut tree root poisonous? Thank you."

#1 Comment By GKH_Susan On 04/02/2020 @ 4:38 am

Not to humans, but it can affect dogs and horses, as well as other plants. Although, you would already notice the effects of the tree long before the sap started leaking. It can be hard to grow many plants around them.

https://www.gardeningknowhow.com/edible/nut-trees/black-walnut/planting-black-walnut-trees.htm ^[1]

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