How to Control Trumpet Vine

How To Control Trumpet Vine

If you’re looking to add a touch of natural beauty to your garden, trumpet vine might seem like the perfect addition. However, managing this fast-growing plant can quickly become a nightmare if you don’t take the right steps. Without proper care, trumpet vine can take over your yard and even damage your property.

In this article, we’ll cover everything you need to know about controlling trumpet vine so that you can enjoy its beauty without the hassle.
Post Summary:

  • Controlling trumpet vine is crucial to maintaining a beautiful and organized garden
  • Understanding the plant’s growth habits and characteristics is key to effectively managing it
  • Regular pruning and trimming can help keep trumpet vine in check
  • Preventative measures such as root barriers and proper planting techniques can help prevent the spread of trumpet vine
  • Natural remedies can be used to control trumpet vine without resorting to harmful chemicals

Understanding the Trumpet Vine

Before you can effectively control the growth of the trumpet vine in your garden, it’s important to have a basic understanding of this plant. The trumpet vine, also known as Campsis radicans, is a deciduous vine that can grow up to 30 feet long. It features bright green leaves and produces trumpet-shaped flowers that can range in color from orange to red.

Control Trumpet Vine

The trumpet vine is a vigorous grower and has a tendency to spread quickly, which can make it difficult to control. This plant is also known for its invasive nature, as it can easily take over an area and smother other plants in its path.

Reasons for its invasive nature

The trumpet vine is a native plant of the southeastern United States and is well-suited to the warm, humid climate of this region. However, it can also thrive in other parts of the country and is often planted as an ornamental vine. One of the main reasons for its invasive nature is its ability to reproduce through both seeds and root suckers. This allows the vine to spread quickly and take over an area, even if it’s been cut back or removed.

In addition, the trumpet vine is able to adapt to a wide range of growing conditions, including poor soil and drought. This makes it a hardy plant that can take root in almost any location, further contributing to its invasive nature.

Effective Ways to Trim Trumpet Vine

Trimming your trumpet vine regularly is essential for maintaining its size and shape while preventing it from becoming invasive.

Trim Trumpet Vine

Here are some effective ways to trim your trumpet vine:

1. Prune in the Late Winter or Early Spring

The best time to prune your trumpet vine is during its dormant period, which is in late winter or early spring. Use a pair of pruning shears to remove any dead or diseased wood and to thin out the branches to promote better air circulation.

2. Use Proper Pruning Techniques

When pruning your trumpet vine, make sure to use proper techniques to avoid damaging the plant. Cut at a 45-degree angle above a bud or shoot, and avoid cutting too close to the trunk or leaving stubs, which are prone to disease.

3. Train Your Trumpet Vine

If you want to shape your trumpet vine, it’s important to train it early on. Use stakes or a trellis to guide the vine’s growth in the desired direction and to keep it from spreading to areas where you don’t want it.

4. Regularly Remove Suckers and Runners

Trumpet vine can spread quickly through its runners and suckers, which can be problematic in a garden. Use pruning shears to cut out any unwanted suckers or runners as soon as you notice them to keep your trumpet vine in check.

By following these effective trimming techniques, you can keep your trumpet vine under control and enjoy its beauty without worrying about it becoming invasive.

Preventing Trumpet Vine from Spreading

If you’re dealing with an invasive trumpet vine, the best approach is to prevent it from spreading in the first place.

One effective method is to install a root barrier, which will prevent the vine from spreading its roots too far and taking over your garden. A barrier made of heavy-duty plastic or metal should do the trick, but make sure it extends at least 18 inches deep into the soil.

Regular maintenance is also key to preventing trumpet vine from spreading. Be sure to prune back any new growth as soon as you notice it and remove any seeds the plant may produce. This will prevent new vines from taking root and spreading further.

Another good practice is to keep an eye on your garden and monitor the trumpet vine regularly. If you notice any new shoots or signs of growth, take action right away to prevent the vine from spreading.

Natural Remedies to Control Trumpet Vine

If you prefer to use natural remedies to control the growth of trumpet vine in your garden, there are several options available. These environmentally-friendly solutions can be just as effective as chemical herbicides without harming the surrounding ecosystem.

Organic Herbicides

One natural way to control the spread of trumpet vine is by using organic herbicides. These products can be found at most garden centers or can be made at home using household items like vinegar or soap. Organic herbicides work by desiccating, or drying out, the plant’s leaves, which ultimately kills it.

Vinegar Solution

A vinegar solution is an affordable and straightforward way to control trumpet vine in your garden. Simply mix equal parts white vinegar and water in a spray bottle, then apply the solution directly onto the plant’s leaves. Be careful not to spray any surrounding plants, as vinegar can also harm them.

Other Natural Approaches

There are other natural ways to keep the growth of trumpet vine in check. One effective technique is to pour boiling water directly onto the plant’s roots, which will kill the vine at the source. Alternatively, you can suffocate trumpet vine by covering the plant with a layer of mulch or thick cardboard. This will prevent light from reaching the plant and ultimately kill it.

By using these natural remedies, you can effectively control the growth of trumpet vine in your garden without harming the environment and surrounding plants.

Taming an Invasive Trumpet Vine

If you’re dealing with an invasive trumpet vine in your garden, don’t despair. There are several strategies you can use to keep this plant in check and maintain a beautiful and healthy outdoor space.

Regular Maintenance

One of the most effective ways to control an invasive trumpet vine is through regular maintenance. This includes monitoring the plant’s growth and pruning it regularly to keep it from spreading too far. Be sure to remove any dead or diseased branches as well to keep the plant healthy.

Proper Planting Techniques

Preventing trumpet vine from becoming invasive starts with proper planting techniques. When first planting the vine, be sure to choose a location that allows for plenty of space for growth. Plant the vine in well-draining soil and use a trellis or other structure to train the vine to grow upward instead of outward.

Ongoing Care

Once the trumpet vine is established, ongoing care is essential for keeping it under control. This includes regular pruning and monitoring for signs of disease or pests. Applying a layer of mulch around the base of the plant will help to retain moisture and nutrients in the soil, keeping the vine healthy and less likely to spread aggressively.

Root Barriers

Another effective way to prevent trumpet vine from spreading is by installing a root barrier around the plant. This is a physical barrier that prevents the vine’s roots from spreading too far underground. It’s important to install the barrier deep enough to fully contain the vine’s roots.

Companion Planting

Companion planting can also be an effective strategy for controlling invasive trumpet vine. Planting other plants that the vine doesn’t like, such as lavender or rosemary, can deter the vine from spreading too far. Additionally, planting these companion plants in the same area as the trumpet vine can help to create a more attractive and diverse garden space.

Chemical Control

If all else fails, chemical control may be necessary to control an invasive trumpet vine. However, this should be a last resort and should only be used under the guidance of a professional. Organic herbicides, vinegar solutions, and other environmentally-friendly approaches may be effective in controlling the vine without causing harm to the environment.

By following these tips and strategies, you can successfully tame an invasive trumpet vine and create a beautiful and healthy garden space.


Congratulations! You now have all the information you need to control the growth of trumpet vine in your garden effectively. Whether you are dealing with an invasive plant or simply want to maintain its size and shape, there are various methods available to ensure you keep it under control.

Remember to regularly prune and trim your trumpet vine, use root barriers to prevent spreading, and explore natural remedies when possible. With proper care and attention, you can enjoy the beautiful blooms and foliage of this beloved garden plant without worrying about it taking over your entire yard.


Q: How do I control trumpet vine in my garden?

A: To control trumpet vine in your garden, you can follow several methods such as regular pruning, using root barriers, and applying natural remedies.

Q: What are the characteristics of a trumpet vine?

A: Trumpet vine is a fast-growing, woody vine known for its trumpet-shaped flowers and vigorous growth. It can easily spread and become invasive if not properly managed.

Q: How can I effectively trim trumpet vine?

A: To effectively trim trumpet vine, you can prune it in early spring or winter to remove excess growth and maintain its shape. It’s important to use proper pruning techniques to encourage healthy growth.

Q: What are some ways to prevent trumpet vine from spreading?

A: Some ways to prevent trumpet vine from spreading include installing root barriers, regularly maintaining the vine by removing runners and suckers, and monitoring its growth to catch any potential spread early on.

Q: Are there any natural remedies to control trumpet vine?

A: Yes, you can use natural remedies such as organic herbicides, vinegar solutions, or other environmentally-friendly approaches to control trumpet vine without the use of harsh chemicals.

Q: How can I keep an invasive trumpet vine in check?

A: To keep an invasive trumpet vine in check, it’s important to regularly maintain the vine, practice proper planting techniques, and provide ongoing care such as watering and fertilizing as needed.

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