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Black Walnut and Royal Purple Smoke Bush
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Posted by bekcgarden 5b (My Page) on Thu, Jul 17, 08 at 17:49
Does anyone know if royal purple smoke bush can tolerate the juglone toxicity of black walnut trees? I haven't planted the smoke bush, yet. I just wondered if it is tolerant, as we have several black walnut trees. I have checked the lists on line and they don't list royal purple smoke bush.
Thank you!
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Follow-Up Postings:
RE: Black Walnut and Royal Purple Smoke Bush
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- Posted by artdeco 5 - Chgo NW burbs (My Page) on
Sun, Jul 20, 08 at 0:46
Years ago I planted a small Smoke Bush just past the drip line of a very, very old & large Black Walnut. There was no growth at all during the summer - stayed the same size & shape - and by the next spring it was dead. Don't remember if it showed the typical 'Walnut Wilt' & yellowing. (I was a juglone newbie in those days.)
Anyways, I don't know why it died - I've killed so many plants over the years, most of which were 'juglone tolerant'- but in this case Walnut trees were nearby. |
RE: Black Walnut and Royal Purple Smoke Bush
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| Here is a page with a list of tolerant plants: |
Here is a link that might be useful: Tolerant of Black Walnut
RE: Black Walnut and Royal Purple Smoke Bush
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| This may be too late for you, but I'll go ahead and mention my experience, in case someone else is trying to figure out what to do. Early this summer, I planted two smokebushes about thirty feet away from a black walnut in my yard - maybe ten feet beyond the canopy. They've both failed to thrive. The leaves turned brown in patches (and the purple one lost its purple color entirely), and a couple of branches have died off completely. It sounds very much like what happened to artdeco. They might have just had a rough time getting established, but I think it's more than that. I went on the web to see what I could find about smokebushes - with some suspicion that the walnut was causing the problem - but there's very little information. Tentatively, I'm going to say that this is a bad combination, continus seems to be sensitive to juglone. (Just as a note: at the same distance to the walnut, there were already a fig, a magnolia, and even a lilac - all seem to be doing just fine.) I'm going to try again with another smokebush in another location, to see if I can kill that one off as well. |
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