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Getting Rid Of Trumpet Vines

Category Flowers
Trumpet vines with orange flower.
Trumpet vines can spread quickly in your yard. Pulling up new shoots early in the spring is the best way to keep them in check. This is a guide about getting rid of trumpet vines.
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By 0 found this helpful
September 11, 2007

Question:

I have 2 trumpet vines in a garden with many other beautiful perennials. When I planted them I was young and dumb and now I would like to know how to get rid of them. They pop up all over and I just keep cutting them off at the stem because I don't want to get rid of my other plants. Any ideas?
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Hardiness zone: 6a

Peg from Cecil, OH

Answer:

For some gardeners, trumpet vines are beauty and the beast all in one plant. 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.
  1. First of all, deadhead and collect (remove) all of the mother vines' seeds.
  2. Second, make sure you keep the parent plants pruned to stop them from touching the ground and rooting.
  3. Third, the best way to deal with the underground runners pushing up new seedlings is to keep digging them up.

Unfortunately, as long as you have parent plants, you're always going to have runners. Herbicides are not effective because the treatments will only last until the parent plants send out new shoots. If you want to get rid of the shoots for good, you're going to have to dig up both of the mother plants and replace them with something less invasive. Even after that, you can expect to spend somewhere in the neighborhood of 5 to 6 years pulling up any new shoots that emerge.

Eventually the plant will give up, but it's going to take an awful lot of persistence and patience on your part. Even if you don't want to get rid of both vines, by getting rid of just one you'll theoretically be eliminating at least half your problem.

Good luck!
Ellen

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By 0 found this helpful
May 26, 2011

How does one get rid of a 30 yr. old trumpet vine gone rampant?

By Jean

Answer Was this helpful? Yes
June 13, 20110 found this helpful
Best Answer

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.

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May 23, 20100 found this helpful

How can I get rid of trumpet vine? It is taking over everything.

Hardiness Zone: 7b

Ann from Smyrna, GA

Answers:

Round-up

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.

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By lindajeang

Smother Them

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 OhioGirl

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