Lonely Black Walnut

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escambiaguy Atmore, AL(Zone 8b) Mar 16, 2006

I friend gave me a black walnut tree to plant, but will it ever make any nuts if it doesnt have another one nearby? I have only pecan trees here and no walnuts. Some websites say yes and some say no. Even if it don't, it will be a good shade tree.

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Zeppy Shenandoah Valley, VA(Zone 6b) Mar 16, 2006

I don't know, but you probably do know about the alleopathic nature of juglone, the substance that the black walnut secretes... planting a young one won't affect a great deal, but they get very very large. (I have three)

This site lists plants that do well near black walnuts, and others that suffer.
http://www.bachmans.com/tipsheets/Woodies/BlackWalnuts.cfm

Post #2116056
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escambiaguy Atmore, AL(Zone 8b) Mar 16, 2006

I planted this tree in a woodland area that is dominated by oaks. Most of the understory vegetation is invasive plants that I wouldn't care if they were gone anyways.

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Lucky_P Hopkinsville, KY(Zone 6b) Mar 20, 2006

I would anticipate that it needs a pollenizer somewhere within 1/4 to 1/2 mile away - kinda like pecans. BWs *might* be self-fertile, but crops will be better if you have one or more to provide cross pollenation.
Want some seednuts to grow a companion for it? I've got some from the superior nut-producing cultivar, "Thomas Myers"(20nut/lb, thin shell, 36-40% kernel, lateral-bearing, anthracnose resistant), as well as a local native BW selection that exhibits anthracnose resistance. E-mail me if you want some.

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escambiaguy Atmore, AL(Zone 8b) Mar 20, 2006

I may just have to get rid of it. I read that it would be lethal to earthworms which I very much need.

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RuralGardener Montgomery Co, IN(Zone 5a) Mar 27, 2006

Escambiaguy, May I ask where you read that Black walnuts were lethal to earthworms? I have never heard that before and I would like to read about this. I have many Black Walnut trees, many earthworms too, or so I thought.
Thanks, Cindy

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Zeppy Shenandoah Valley, VA(Zone 6b) Mar 27, 2006

I have scrillions of earthworms right under my black walnuts, so I'd question that source.

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billyporter Nichols, IA(Zone 5a) Mar 28, 2006

If you clean walnuts in a bucket of water and pour the water on the driveway, the worms will come up and out. Do NOT pick them up for fishing. They are dying. Growing the trees will not kill the worms. I have 3 trees and my neighbor has 2 - they overhang my property.

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escambiaguy Atmore, AL(Zone 8b) Mar 28, 2006

Here's one website where I read it : http://www.vet.purdue.edu/depts/addl/toxic/plant45.htm

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billyporter Nichols, IA(Zone 5a) Mar 28, 2006

I did not know that about the horses. I've read where walnuts can be used for worming, but that was a long time ago.

It's funny that walnuts can kill earthworms, yet they eat the walnut stems every spring. All the juglone must leach out.

This message was edited Mar 30, 2006 5:33 PM

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