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| Just wondering.
So far I have found two conflicting lists concerning scarlet oak and juglone. The Morton Arboretum reports it as tolerant while "native backyard.com" reports it is sensitive. I'm leaning towards Morton but would like to know if anyone has experience with scarlet oak near walnuts. My spot is going to be 70 foot or so away from the nearest of a row of walnuts but it will get some walnut leaf debris as I take care of leaves by mowing and spread them all over creation. Half the reason I am asking is because no oaks ever seem to sprout up in "walnut row" despite there being four large ones in the neighbor's yards and mine. The ash and cherry trees do though. |
Follow-Up Postings:
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- Posted by strobiculate none (My Page) on Tue, Aug 28, 12 at 20:11
| Not sure any list has ever been vigorously tested...just observations of what has been observed growing in proximity to walnuts...when soil type, organic matter and amount of precip are lijely factors that would influence susceptibility or tolerance. Also, there may well be significant difference between seedlings trying to germinate and established transplants. |
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| I've never seen oak on any sensitive lists. But I have a row of oaks in my front yard and 2 Nuttals oaks closest to the neighbors Bl Walnut tree declined and died. Although not Scarlet oaks they are maybe closely enough related. If that is the case the remaining Nuttals may die when the roots spread out further. |
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