Killing Grapevines

[bellweather]

Try "Brush B Gone"...works on bittersweet, which is a very aggressive and invasive vine. Chop it close to the ground and paint the remaining stump with the poison. Alternate method is to cut the vine and immerse the cut end in a jar of the poison for a couple of hrs.

 

[Fireman_dcb]

if the vines are thick enough at the base, cut them off about 4" above ground level, drill a 1/2" hole ( 2 or three are better) about 3 inches deep and fill it with undiluted Round Up Super Concentrate. I've been told that kerosene works just as well.

If the vines are smaller the same company that makes Round Up makes a higher concentrated product made for stumps - works very well.

 

[fractal]

I am fond of roundup concentrate (not super concentrate) and a big paint brush. Super concentrate is overkill when applied directly to the leaf. Concentrate is probably as well. I can't remember if I used up the last of my concentrate or diluted super concentrate 2:1 with water...

Roundup is absorbed through the leaf and quickly goes to the root when applied. Pouring it on the ground is a waste of product as it quickly breaks down. Likewise it is not absorbed what so ever through brown material (stalks, trunks).

Soil sterilizers will work but will kill everything around it.

Roundup applied just to the subject matter will work great. I have used a 6 (or was it 8-10) inch, thick paint brush before. It holds a decent amount of chemical and is pretty quick to apply and doesn't get the stuff where you don't want it. FWIW, I used a brush from an earlier years painting project that did not get quite as clean as I would have liked. I used it on a blackberry patch in the middle of a garden I wanted out. First application took out 90% without harming anything around it. I should repeat the process on what is still left alive.

 

[daedong]

<font color="blue"> Likewise it is not absorbed what so ever through brown material (stalks, trunks). </font>
Roundup applyed directly to stalks, trunks that have just been cut will absorb large amounts of chemical.

 

[NAAsty]

I have several 100+yr old post oak trees on my land. Wild "grape" vines will kill them given time. My area forrestry expert recommended removing (killing) the vines before they take the tree. Tordon is very effective for treating the stumps, as is CrossBow (which won't hurt the non-woody plants in the area). Roundup is non-selective and I find Crossbow more effective on the woody species.