Cutworms are a common garden pest that can cause significant damage to young seedlings and transplants. These caterpillars are typically found in the soil and feed on the stems of plants, causing them to wilt and die. Here are some ways to deal with cutworms in your garden:
- Handpicking: If you have a small infestation of cutworms, you can handpick them off your plants and dispose of them in a bucket of soapy water. This can be time-consuming, but it is an effective way to reduce the number of cutworms in your garden.
- Use collars: Cutworms tend to attack the stems of plants near the soil level. One way to prevent this is to place collars around the stems of your plants. You can make collars from cardboard, paper, or even plastic cups with the bottom cut out. The collar should extend about an inch above and below the soil line.
- Beneficial nematodes: Beneficial nematodes are microscopic organisms that feed on cutworms and other soil-dwelling insects. They are available for purchase as a powder or liquid and can be applied to your garden using a sprayer. Follow the instructions on the package for best results.
- Diatomaceous earth: Diatomaceous earth is a powder made from the fossilized remains of diatoms, a type of algae. It is a natural insecticide that can be effective against cutworms. Sprinkle diatomaceous earth around the base of your plants to create a barrier that cutworms will avoid.
- Insecticides: If you have a severe infestation of cutworms, you may need to use an insecticide to control them. Look for products that contain Bacillus thuringiensis (Bt), which is a natural bacteria that is toxic to cutworms. Follow the instructions on the package carefully and use caution when applying insecticides to your garden.
There are several ways to deal with cutworms in your garden. By taking a multi-faceted approach and using a combination of these techniques, you can effectively control cutworm populations and prevent damage to your plants.