In October pests such as snails and slugs start to hatch. While snails and slugs can clean up debris in your garden, there are ways they can be harmful to your garden. Snails and slugs can eat flowering buds, and chew holes in leaves. Snails and slugs can also carry harmful diseases. Few aphids will be around usually on roses. Aphids feed on plants an in large amounts can damage your garden. Nematodes hunt and kill larvae in soil. Some species of Nematodes will feed on tiny plants, while others burrow into the tissue of plant. Soil-dwelling nematodes are common and some species can damage roots, stems, and flowers. Adding nematodes can also have benefits such as, killing cucumber beetles, chinch bugs, cutworms, sod webworms and white grubs. They do this by injecting deadly bacteria into them or by feeding on the host. In October pests aren’t as prevalent after the first frost.