How to Kill Pill Bugs in Potted Plants

If you have noticed pill bugs in your potted plants, you may be wondering how to get rid of them. Pill bugs, also known as sow bugs, are a common pest that feed on decaying organic matter and some plants. While they may not necessarily harm your plants, they can be unsightly and a nuisance. Here are some methods to kill pill bugs in potted plants:

Clean the Potting Soil

Pill bugs thrive in damp environments with decaying organic matter. One way to reduce their population is to clean the potting soil. Remove any dead plant material or debris from the surface of the soil. Then, carefully scoop out any soil from the top layer and replace it with fresh, clean soil. This will help to eliminate the food source for pill bugs and make the environment less hospitable for them.

Use Diatomaceous Earth

Diatomaceous earth is a natural substance made from the fossilized remains of diatoms, a type of algae. It has abrasive properties that can harm the exoskeleton of pill bugs, causing them to dehydrate and die. Sprinkle a thin layer of diatomaceous earth on top of the potting soil, around the base of the affected potted plant. Be sure to wear gloves and a mask while handling diatomaceous earth, as it can be harmful if inhaled.

Apply Bait

Bait can be an effective way to kill pill bugs in potted plants. You can purchase bait specifically designed for pill bugs at your local garden center or online. The bait contains a toxic substance that will kill the pill bugs when they ingest it. Follow the instructions on the bait package carefully, as too much can harm your plants.

Use Insecticide

If the infestation is severe, you may need to use insecticide to kill pill bugs in potted plants. Look for an insecticide that is specifically designed for pill bugs and follow the instructions on the label carefully. Apply the insecticide directly to the potting soil, around the base of the affected plant. It may take several applications to completely eliminate the pill bug population.

Prevent Future Infestations

Once you have effectively killed pill bugs in your potted plants, it is important to take steps to prevent future infestations. Regularly clean the potting soil and remove any dead plant material or debris. Avoid overwatering your plants, as this can create a damp environment that is ideal for pill bugs. You can also use a natural repellant like garlic or onion spray to make the environment less hospitable to pill bugs.

In conclusion, there are several methods to kill pill bugs in potted plants. Choose the method that works best for your situation and be sure to follow the instructions carefully. With the right approach, you can effectively eliminate pill bugs and keep them from coming back.