As some of you might remember, I have a passionvine that has been here for several years. I thought that since I'm north here in PA that it wouldn't become invasive. Guess again!!! It travels willy nilly wherever it wants to and it in the midst of my one section of garden plants and growing in various directions in the garden and out into the grass in at least four places. If left unchecked, I can picture this vine taking over everything eventually, seriously!
A month or so ago I started taking the vines and soaking them in glyphostate killer mixed with water. I dug "trenches" to sit some plastic coffee cans in and put the liquid in those and covered it with plastic (taped to the can) so nothing could get into the stuff. This method was recommended on here some time back by Bryan someone, only he had used it on bindweed and had big success with it.
So it was recommended to me on here to try this method with the passionvine. It took awhile but I could see the vines getting yellow and eventually looking like they were dead. I thought that the whole plant was being killed, but new sprouts kept popping up here and there. So I decided to try digging it out. It's a lot of work, but I can follow the root about half a foot under the ground. I thought that this would be the solution, but every so often the root goes straight down. I'm afraid if I try to dig that out (who knows, it could be 3 or more feet down), I could end up chopping off the root. Presumably, it would then eventually sprout back up.
I'm going to keep digging away at the roots and hope that I can dig as fast as the darn things grows. For the roots that go straight down, I'm going to try to do the same soaking method that I had used on the foliage. I hope this will do the trick because I think I'm out of options. Just wanted you to know that I'm still battling it!
Cathy
Tiffany, purpleinopp Z8b Opp, AL
caterwallinOriginal Author
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caterwallinOriginal Author