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Post by daylilydude on Oct 4, 2015 8:33:50 GMT -5
My question is... I know a spot and have permission to get mulch from where the power company has dumped there shredded tree mulch and was wondering how long it took to have the "juglone" to not be a problem? Now this stuff has been there a while, and there are piles that look broken down to really nice and dark looking stuff that I think would be beneficial for my garden, but I'm not sure if any of it is black walnut and I sure wouldn't want to put it in the gardens if it will stunt or kill my maters... any help with this would be appreciated... thanks!
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Post by paquebot on Oct 5, 2015 0:40:06 GMT -5
There are some non-gardeners who would tell you that every bit of walnut is fatal to tomatoes. Juglone does exist in various amounts throughout a walnut tree but mostly not enough to be harmful. Where the bad concentrations are is in the roots and green husks. Very little is in the wood or leaves. I just spent $2,000 to take down one which was about 40 years old and over 2' at the base. It wasn't so that I wouldn't have to worry about juglone but rather a hazard to the house. The small stuff was shredded and if I had had a place to store it I would have asked that it stay here. Still had a lot of sawdust and other bits and most of that was picked up with a bagging mower and now in the compost tumbler. No problem expected after having used almost everything from that tree for many years.
Martin
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Post by paulf on Oct 5, 2015 8:27:38 GMT -5
I think leaves also have small amounts of juglone especially if they are green leaves. Thoroughly dead and/or composted leaves can be incorporated into the soil. I shred my walnut leaves and compost them and use the compost without problems...I think.
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