Updated: July 22, 2023

Ice plant, also known as Carpobrotus edulis, is a popular ground cover plant that is cherished for its vibrant flowers and ability to tolerate drought conditions. However, just like any other plant, ice plant can fall victim to various pests and diseases, including borers. Borers are insects that burrow into the stems and roots of plants, causing damage and potentially leading to their demise. If you notice signs of borers on your ice plant, it is crucial to take immediate action to get rid of them and protect your plant’s health. In this article, we will discuss effective methods for eliminating borers on ice plant.

Identifying Borers on Ice Plant

Before diving into the methods of getting rid of borers on ice plant, it is essential to be able to identify their presence. Borers are typically small insects with elongated bodies that resemble worms. They can be white, cream-colored, or even brown depending on the species. The most common signs of borer infestation include wilting leaves, yellowing foliage, holes in stems or roots, and sawdust-like frass near the entry points.

1. Prune Infested Areas

One of the first steps in combating borers on ice plant is to prune the infested areas. Carefully inspect your ice plant for any signs of borer activity and remove affected stems or roots using sterilized pruning shears. Make sure to cut slightly below where the borer entry hole is visible to remove any larvae or eggs that may be lurking inside. Dispose of the pruned material away from your garden to prevent further infestation.

2. Use Beneficial Nematodes

Beneficial nematodes are microscopic organisms that can aid in controlling borers and other soil-borne pests. These nematodes are natural predators of borers and can effectively target and kill them without harming other beneficial insects or plants. To use beneficial nematodes, mix them with water according to the package instructions and apply the solution to the soil around the base of your ice plant. Repeat this process as recommended to ensure continuous control of borers.

3. Apply Insecticidal Soap

Insecticidal soap is a safe and effective option for controlling borers on ice plant. It works by suffocating the insects upon contact, eliminating both adults and larvae. To use insecticidal soap, dilute it according to the instructions on the product label and spray it directly onto the affected areas of your ice plant. Be sure to cover all stems and roots thoroughly. Repeat the application every 7-10 days until the borers are eradicated.

4. Use Botanical Insecticides

If non-chemical methods fail to eliminate borers on your ice plant, you may consider using botanical insecticides as a last resort. Botanical insecticides, such as pyrethrin-based products, are derived from natural sources like chrysanthemum flowers and have proven effectiveness against borers. Follow the instructions on the product label carefully and apply the insecticide as directed. Avoid spraying during windy conditions or when bees are active to prevent harming beneficial insects.

5. Maintain Plant Health

Prevention is always better than cure, so taking steps to maintain your ice plant’s health can help ward off borers and other pests in the first place. Ensure your ice plant receives adequate sunlight, water, and nutrients to promote strong growth and resistance to infestations. Avoid overwatering, as excessive moisture can attract pests like borers. Additionally, regularly inspect your ice plant for any signs of stress or damage and address any issues promptly.

6. Practice Crop Rotation

If you have experienced borer infestations in your ice plant, practicing crop rotation can be beneficial. This involves moving your ice plant to a different location in your garden each year to break the borer’s life cycle. Borers often lay their eggs in the soil near the base of plants, so by rotating your ice plant to a new area, you reduce the likelihood of re-infestation.

Conclusion

Borers can pose a significant threat to the health and vitality of your ice plant. However, with proper identification and prompt action, you can control and eliminate these pests effectively. Pruning infested areas, using beneficial nematodes, applying insecticidal soap or botanical insecticides, maintaining plant health, and practicing crop rotation are all valuable strategies for getting rid of borers on ice plant. By implementing these methods, you can ensure your ice plant thrives free from borer infestations and continues to add beauty to your garden.