Updated: June 30, 2023

Borers can be a serious problem for spath plants, also known as peace lilies. These insects can cause significant damage to the plant, weakening it and potentially even killing it if left untreated. However, there are several effective methods for getting rid of borers on spath plants and preventing future infestations.

Identifying Borers on Spath Plants

Before you can effectively get rid of borers on your spath plant, it’s important to first identify the presence of these pests. Borers are small, worm-like insects that tunnel into the stems of plants. In the case of spath plants, the most common type of borer is the spath borer.

Signs of borer infestation may include wilted or discolored leaves, yellowing or dying stems, and small holes or sawdust-like frass around the base of the plant. You may also notice adult borers emerging from the plant or their eggs on the leaves or stems.

Natural Methods to Get Rid of Borers

If you prefer to use natural methods to get rid of borers on your spath plant, there are a few options available to you:

  1. Pruning: Start by pruning away any infested stems or branches. This will not only remove the borers but also help reduce the spread of the infestation. Make sure to sterilize your pruning tools before and after each cut to prevent the spread of disease.

  2. Beneficial Insects: Introduce beneficial insects such as parasitic wasps or nematodes into your garden. These natural predators will attack and kill borers, helping to control their population.

  3. Neem Oil: Neem oil is a natural insecticide derived from the neem tree. It works by disrupting the feeding and reproductive systems of insects. Dilute neem oil according to the manufacturer’s instructions and spray it on the affected parts of your spath plant. Repeat this treatment every two weeks until the borers are eliminated.

  4. Diatomaceous Earth: Diatomaceous earth is a powdery substance made from fossilized algae. It is effective in killing borers by absorbing their protective waxy coating, causing them to dehydrate. Dust diatomaceous earth around the base of your spath plant and on its leaves to control the infestation.

Chemical Methods to Get Rid of Borers

If natural methods don’t provide satisfactory results, you may need to resort to chemical treatments. However, it’s important to use these methods with caution, as they can be harmful to beneficial insects and may have adverse effects on human health:

  1. Insecticides: There are several insecticides available that specifically target borers. Look for products containing imidacloprid, permethrin, or bifenthrin. Follow the manufacturer’s instructions carefully and apply the insecticide to the affected parts of your spath plant.

  2. Systemic Insecticides: Systemic insecticides are absorbed by the plant and transported throughout its tissues, making them highly effective against borers. These products are typically applied as a soil drench or injected into the stems of the plant. However, be aware that systemic insecticides may persist in the plant for an extended period of time.

  3. Professional Treatment: If all else fails, consider seeking professional help. Pest control professionals have access to stronger and more effective insecticides that can eliminate borers on your spath plant.

Preventing Future Infestations

Once you have successfully gotten rid of borers on your spath plant, it’s essential to take preventive measures to avoid future infestations:

  1. Monitor Regularly: Keep a close eye on your plants for any signs of borer activity. Early detection can help prevent a minor infestation from becoming a major problem.

  2. Provide Optimal Growing Conditions: Ensure that your spath plant is growing in suitable conditions, including proper sunlight, watering, and fertilization. A healthy, well-maintained plant is less likely to attract pests.

  3. Remove Infested Plants: If you have multiple spath plants and one becomes infested with borers, remove it immediately to prevent the spread of the infestation to other plants.

  4. Practice Good Garden Hygiene: Clean up fallen leaves, debris, and dead plant material regularly. This will help eliminate potential hiding places for borers and reduce the risk of reinfestation.

In conclusion, borers can pose a serious threat to your spath plants, but with proper identification and treatment, you can effectively get rid of them. Whether you choose natural or chemical methods, always prioritize the health and safety of your plants and the environment. By taking preventive measures, you can ensure the long-term health and vitality of your spath plants and keep them free from borers.