Updated: July 2, 2023

Introduction

Monarda plants, also known as bee balm or wild bergamot, are beautiful flowering perennials that attract pollinators to your garden. However, these plants can sometimes fall victim to worm infestations, which can cause damage and affect their overall health. If you notice worms on your Monarda plant, it’s important to take action promptly to prevent further damage. In this article, we will explore effective methods to get rid of worms in your Monarda plant and restore its health.

Identifying the Worms

Before you can effectively treat the worm infestation on your Monarda plant, it’s crucial to identify the type of worms you are dealing with. There are several common types of worms that can affect Monarda plants, including:

  1. Armyworms: These caterpillars are usually green or brown and have a distinctive inverted “Y” shape on their head. Armyworms feed on the foliage of the Monarda plant and can quickly defoliate it if left unchecked.

  2. Cabbage loopers: Cabbage loopers are green caterpillars with a looping movement when they crawl. They primarily feed on the leaves of the Monarda plant and can cause significant damage if not controlled.

  3. Cutworms: Cutworms are nocturnal caterpillars that hide in the soil during the day and emerge at night to feed on the stems of the Monarda plant. They can cut off young plants at their base, causing severe damage.

Natural Methods to Get Rid of Worms

If you prefer using natural methods to control worm infestations on your Monarda plant, here are some effective strategies:

Handpicking

If the infestation is relatively small, you can physically remove the worms from your Monarda plant by handpicking them. Wear gloves and inspect the plant thoroughly, checking both the foliage and stems. Drop the worms into a bucket of soapy water to prevent them from escaping or crawling back onto the plant.

Neem Oil

Neem oil is an organic insecticide derived from the neem tree. It has insecticidal properties and can effectively control various types of worms on your Monarda plant. Mix neem oil with water according to the package instructions and spray it onto the affected parts of the plant. Repeat this process every 7-10 days until you no longer see any signs of infestation.

Bacillus thuringiensis (BT)

Bacillus thuringiensis, commonly known as BT, is a naturally occurring bacteria that targets and kills many types of caterpillars, including cabbage loopers and armyworms. BT is available in powder or liquid form. Dilute BT according to the package instructions and spray it onto your Monarda plant. Ensure thorough coverage, especially on the undersides of leaves where worms tend to hide.

Companion Planting

Companion planting involves growing certain plants near your Monarda plant that repel or deter worms. Some plants that are known to deter worms include marigolds, garlic, and chives. By planting these companion plants alongside your Monarda, you can help prevent worm infestations.

Chemical Methods to Get Rid of Worms

If natural methods fail to control the worm infestation on your Monarda plant, you may consider using chemical insecticides as a last resort. However, it’s important to handle these chemicals with care and follow the instructions provided by the manufacturer. Here are some chemical options:

Pyrethrin-based Insecticides

Pyrethrin-based insecticides are derived from chrysanthemum flowers and are effective against many types of worms. These insecticides work by disrupting the nervous system of the worms, leading to their death. Follow the instructions on the product label and apply the insecticide to your Monarda plant, ensuring thorough coverage.

Systemic Insecticides

Systemic insecticides are absorbed by the plant and provide long-lasting protection against worms. These insecticides are typically applied to the soil or sprayed onto the leaves. The plant then takes up the insecticide, making it toxic to any worms that feed on it. However, be cautious when using systemic insecticides, as they can also harm beneficial insects.

Prevention is Key

Preventing worm infestations is always better than dealing with them after they occur. Here are some preventive measures you can take to keep your Monarda plant healthy:

  • Regular inspection: Inspect your Monarda plant regularly for any signs of worms or other pests. Early detection allows for prompt action and prevents infestations from spreading.

  • Proper sanitation: Remove any fallen leaves or debris from around your Monarda plant, as these can provide hiding places for worms and other pests.

  • Encourage beneficial insects: Plant flowers and herbs that attract beneficial insects such as ladybugs and lacewings. These insects feed on worms and other pests, helping to keep their populations in check.

  • Crop rotation: If you have had recurring worm infestations in your garden, practice crop rotation by moving your Monarda plant to a different location each year. This disrupts the life cycle of worms and reduces the likelihood of reinfestation.

Conclusion

Worm infestations can be detrimental to the health and beauty of your Monarda plant. By identifying the type of worms present and using appropriate control methods, you can effectively get rid of them and restore your plant’s vitality. Whether you opt for natural or chemical methods, remember that prevention is key to keeping your Monarda plant healthy and pest-free. With proper care and vigilance, you can enjoy the vibrant blooms and pollinator-attracting qualities of your Monarda plant for years to come.