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Black Walnut Trees

Q.Walnut tree no nuts

Zone Maine,04974 | Dodgedaddie added on December 8, 2016 | Answered

I believe I have BLACK WALNUT growing. How long before I see flower/fruit? The age of tree, etc? Are they a self pollinating type tree?


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Certified GKH Gardening Expert
Answered on December 9, 2016

Black walnuts will not produce fruit and nuts until they are 10 years old. Black walnuts will sometimes self-pollinate, but this is inefficient, so more than one tree is required for optimal nut production.

Here is more about caring for black walnuts for nut production and other uses:

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