Kill Earthworms In Pots, Because earthworms are beneficial to the soil in gardens, there are several methods of getting rid of them in potted plants. One way is to use a spray bottle filled with water and a little dish soap to kill the worms by drowning them.20-Sept-2021,
How Did Worms Get In Your Houseplants? The most common way worms get into potted plants is when using outdoor soil, contaminated with larvae or worms. The other way worms get into houseplants soil is when an insect flies through the window and lays its eggs in the houseplant, especially if using non-commercial compost.
Use a carbamate insecticide to kill the earthworms. Some carbamate insecticides include carbaryl (Sevin), bendiocarb (Turcam) and propoxure (Baygon). Use about as much insecticide to kill the earthworms as you would to kill grubs, which is generally 4 to 8 lb.
Harmful pests such as cutworms and leafminer larvae should be submerged in warm, soapy water to kill them so they don't harm other plants. A number of insecticidal soaps are effective at killing pests. Spray the worms with a ready-to-use insecticidal soap, repeating the application as needed.
You can mix 1 part of bleach with 10 parts of water and soak the pot in it for at least an hour. Then wash it well with water and leave out to dry. This helps remove any unwanted pests diseases, and worms from the pot. Once the pot is dry, you can reuse it to for growing your plants.
Earthworms should not be added to potted plants since the soil used to pot the plant may not have enough food for them to grow and proliferate like ground soil or in a vermipost, they will eventually die or crawl out. You should use casting tea on the potted plant soil and as a foliar application on the plant.02-Jan-2021
If you have worms in your plant, you can remove your plant from the pot and soak the plant's base with the soil in warm water and insecticidal soap for 20 minutes. The worms will try to escape, and you can catch and release them or put them into your compost bin. This works best for harmful worms.