Top Insect Control Products for Gardens and Yards

1. Neem Oil

Neem oil is a natural insecticide that is derived from the seeds of the neem tree. It is effective at controlling a wide range of insects, including aphids, mites, whiteflies, and caterpillars. Neem oil works by disrupting the insect’s hormonal balance, making it difficult for them to feed, grow, and reproduce. It is safe to use on vegetables, fruits, and ornamental plants, making it a popular choice for organic gardeners. To use neem oil, simply mix it with water according to the instructions on the label and spray it onto the affected plants.

2. Diatomaceous Earth

Diatomaceous earth is a natural powder made from the fossilized remains of diatoms, a type of algae. It works by physically damaging the exoskeletons of insects, causing them to dehydrate and die. Diatomaceous earth is effective at controlling a variety of insects, including ants, cockroaches, and beetles. It can be sprinkled around the base of plants or directly onto the insects themselves. Diatomaceous earth is safe to use around pets and children, making it a popular choice for homeowners looking for a non-toxic insect control option.

3. Bacillus thuringiensis (Bt)

Bacillus thuringiensis, or Bt for short, is a naturally occurring soil bacterium that produces proteins that are toxic to certain insects. Bt is commonly used to control caterpillars, such as cabbage worms and tomato hornworms. It works by causing the insect’s gut to become paralyzed, leading to their death. Bt is safe to use on edible crops and does not harm beneficial insects, making it an environmentally friendly option for insect control. To use Bt, simply mix it with water according to the instructions on the label and spray it onto the affected plants.

4. Spinosad

Spinosad is a naturally occurring insecticide that is derived from a soil bacterium. It is effective at controlling a wide range of insects, including thrips, leafminers, and fruit flies. Spinosad works by targeting the nervous system of the insect, causing paralysis and death. It is safe to use on vegetables, fruits, and ornamental plants, making it a popular choice for organic gardeners. Spinosad is available in both liquid and powder forms and can be applied to plants using a sprayer or duster.