How can I get rid of trumpet vine? It is taking over everything.
Hardiness Zone: 7b
Ann from Smyrna, GA
You can cut the stems back to about 2 feet. Put some concentrated Round-up in a Ziploc freezer bag and put the cut end of the stem into the liquid. As the days get hot and the plant gets thirsty, the Roundup is absorbed into the plant. It takes awhile, but this even works for sticker bushes.
That's a mandevilla. I am so happy that I got a mandevilla bloom inside the house in the winter, late February. I am zone 5. These indoor blooms are a treat for me.
To get rid of all vines, flowers, weeds, etc., without using harmful chemicals, just cover with old carpet or cardboard or anything heavy that blocks the sun. It will kill it safely without adding toxins to the earth.
By Jan Yofee
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Trumpet vines propagate three ways: by seed, by rooting wherever the plants touch the ground and by underground runners. Because of this, you're going to have to take a three-pronged approach to stopping all of these voluntary seedlings from popping up.
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How does one get rid of a 30 yr. old trumpet vine gone rampant?
Use a woody bark herbicide, poison ivy killer, or extra strong Roundup. Spray on mature leaves. Probably will more than one or two applications. Leave at least 2 weeks between applications. Most likely, many applications will be needed as new sprouts may pop up from roots that are twining under the ground. The roots are probably nearly as long and thick in diameter as the vine is. It will take diligence to eradicate all signs of the vine.