On 21 May 2006 06:28:58 -0700
"jim" wrote:

Hi,
There is a tree near my yard and I am not sure if its a black walnut or
a (butter?)nut.Now I know that certain plants will not grow under or
near a black walnut,is this also true for the (butter?)nut tree?The
reason I ask is because last May I planted a weeping cherry about 20-25
feet from this tree and all was going well until this year I noticed it
had buds but never blossomed.I dont know if it was zapped by frost or
not, but before I get another I was wondering if a weeping cherry is
one of the things that wont grow near these type of trees.Any info
would be helpful.
Thanks in advance,

JIM


The process your looking for is called allelopathy. Personally, I think
it unlikely that a cherry tree would have such a dramatic reaction,
so I'd wait and see how it does. Google allelopathy+walnut, you'll
get lots of hits, including this one which lists plants that are affected
and those resistant to juglone poisoning. Black cherry anyway falls
into the latter category. Anyway frost seems a more probable culprit,
because your cherry probably hasn't had enormous root growth during
only one season, to have enough contact with the juglans roots for an
allelopathic reaction.

http://www.ext.vt.edu/pubs/nursery/430-021/430-021.html

Good luck.

-E
--
Emery Davis
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