I would like to start 5 or 6 grape vines on a couple of lots that has a
large walnut tree on the edge. Has anyone heard of trouble growing
grapes around walnuts? I know tomatoes will not grow in close proximity
to walnut trees.
Any comments will be appreciated.
In the USA wild grapes are resistant to Juglone (the poison in Walnut
trees) and cultivated grapes are susceptible. The toxic zone from a
mature tree occurs on average in a 50 to 60 foot radius from the trunk,
but can be up to 80 feet.
Pardon my spam deterrent; send email to firstname.lastname@example.org
Cheers, Steve Henning in Reading, PA USA
Cutting the walnut tree down won't necessarily make the area "safe" for
juglone sensitive plants. The toxicity occurs when the roots of the black
walnut come into contact with sensitive plants. Check this out for more
Suzy O, Zone 5
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