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Seasonal observations of the UCCE Master Gardeners
by Erin Mahaney
on October 21, 2023 at 10:15 AM
I am so sorry. I’m glad you wrote this blog because we have a similar issue and it is quite frustrating. I’ve thought about reaching out for suggestions as well. Our neighbor has a large wisteria and I had no idea how invasive wisteria is until found multiple vines popping up 10 feet into our yard and I started researching the problem. (We can handle the blackberry and ivy that the neighbor grows.) The vines come up the most in my cutting garden where they are hardest to control during the growing season Anyway, options include talking with the neighbor (they are unlikely to remove the tree so perhaps the conversation could be about sharing the cost of a root guard), installing a root guard (not a great option for us due to location), or herbicide (which I prefer not to use for multiple reasons and may not work on certain plants anyway). In our yard, constant cutting back of the vines doesn’t work, but as the planting beds die back this winter, we are going to try to follow some of the primary roots underground and see if we can cut or isolate a few of them at least. I’ll be curious to hear if others have suggestions.
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