Killing Wisteria: A Guide to Get Rid of This Invasive Plant

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Wisterias are beautiful vines that produce stunning flowers, but they can also be very invasive. If left unchecked, they can quickly take over your garden, choking out other plants and even damaging structures. In this article, we'll explore some of the methods you can use to get rid of wisteria for good.

The Problem with Wisteria

Wisterias have a tendency to grow quickly and spread aggressively. They can climb just about anything, including trees, fences, and walls. Their thick stems and roots can cause damage to buildings, and their leaves and flowers can attract pests like aphids and whiteflies. For these reasons, it's important to keep wisteria under control.

Methods for Killing Wisteria

1. Cutting and Digging

One of the simplest ways to get rid of wisteria is to cut it back and dig up as much of the plant as possible. This method works best for small or young plants. by cutting the plant down to ground level, then use a shovel or spade to dig up the roots. Be sure to remove all of the roots, as even a small piece left behind can regrow.

Pros:

• Simple and inexpensive
• Effective for small or young plants

Cons:

• Not effective for large or established plants
• Can be time-consuming
• May require multiple attempts to completely eradicate the plant

2. Herbicides

Herbicides can be an effective way to kill wisteria, especially for larger or more established plants. Look for a herbicide that contains glyphosate or triclopyr, which are both effective at killing woody plants like wisteria. Follow the instructions carefully, as these chemicals can be harmful to other plants and animals.

Pros:

• Effective for large or established plants
• Relatively easy to use

Cons:

• Can be harmful to other plants and animals
• May require multiple applications
• Can be expensive

3. Smothering

Another method for getting rid of wisteria is to smother it. This involves covering the plant with a thick layer of mulch, cardboard, or newspaper. The lack of sunlight will eventually kill the plant. This method works best for small or young plants.

Pros:

• Environmentally friendly
• Can be effective for small or young plants

Cons:

• Not effective for large or established plants
• Can take a long time to work

Preventing Wisteria from Spreading

Once you've gotten rid of your wisteria, it's important to prevent it from coming back. Here are some tips:

1. Regular Maintenance

Regularly checking your garden for signs of wisteria and removing any new growth can help prevent it from spreading.

2. Pruning

Pruning your wisteria regularly can help keep it under control. Cut back any new growth as soon as you see it.

3. Blocking

If your neighbor has wisteria, consider creating a physical barrier like a fence or wall to prevent it from spreading into your garden.


Getting rid of wisteria can be a challenge, but with the right methods, it's possible to keep this invasive plant at bay. Whether you choose to cut and dig, use herbicides, or smother the plant, be sure to take steps to prevent it from coming back.

FAQs

1. Can I compost wisteria?

No, it's not recommended to compost wisteria as the plant can still regrow from any remaining roots.

2. Is it safe to use herbicides on wisteria?

Yes, but make sure to follow the instructions carefully and avoid using herbicides near other plants and animals.

3. How long does it take for smothering to kill wisteria?

It can take several months to a year for smothering to kill wisteria.

4. Can I replant in an area where wisteria has been removed?

Yes, but make sure to remove all of the wisteria roots first and monitor the area for any new growth.

5. Should I hire a professional to remove wisteria?

If you have a large or established wisteria plant, it may be best to hire a professional to ensure it's removed properly.

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