Re: OT: Black Walnut toxicity

Lisa, you say you're 65' from the walnut tree.  That is plenty of distance 
away not to have the roots extend that far.  It is only in the root zone 
that you have to worry.  I've had large walnut trees in my yard, but have 
never had any trouble planting outside the drip zone.

Barbara        zone 7/8        southwest of Fort Worth

Lisa wrote:
> Please forgive me for going off topic for a minute here, but I have a
> quick question.
> 
> I just found out that the odd looking tree in our neighbor's back yard
> is a black walnut, famous for producing a substance toxic to many
> plants.  I have researched the Web for plants that are not affected by
> the juglone, but have not been able to determine whether it affects
> roses.
> 
> Since I have just planted three rose bushes within about 65 feet of the
> walnut tree, I am very concerned.  Should I move these roses to a
> different location?  I have also planted buddleia, sedum and a wonderful
> type of Joe Pye weed (the name escapes me right now), which has dark
> foliage, approximately the same distance from the tree.
> 
> Now I'm wondering if I'm going to have to rethink my flower beds.
> 
> Can anyone help me?  Unfortunately, most of the plants on the do or dont
> lists are fairly common plants and I have a tendency to pick up an
> unusual plant here or there.
> 
> Thanks for your time.
> 
> Lisa
> zone 6 (?)
> Connecticut
> 

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