Control Aphids Naturally. Aphids are tiny bugs that can sap the life out of your plants. Most aphid infestations can be washed off with water, but some require a rinse with a detergent solution. If you want to prevent aphid infestations, plant onions, garlic, or chives in with your plants.

Control Caterpillars in Your Garden. Caterpillars can be both pretty and exciting for small children, but they will also destroy your garden if left alone. Inspect your plants regularly and remove caterpillars and their eggs by hand. You may also kill caterpillars with organic pesticides containing derris, pyrethrum, or caterpillar killing bacteria.

Handling Grasshoppers. The most effective way to rid your lawn and garden of grasshoppers is to provide them with a more succulent meal away from your landscape. When that is not possible, consider finding their breeding ground and till the soil, destroying their eggs. Here are some more tips for handling grasshoppers.