The easiest, most organic way to stop aphids is to knock them off the plant with a stream of water from your garden hose.
Get more tips on controlling aphids.
Use row covers in spring and fall to keep the pests from getting to your vegetables.
Get more tips on controlling cabbage loopers.
Cucumber beetles can spend the winter hiding in the vegetable garden. Be sure to clean up all dead plants and leaves at the end of the season.
Get more tips on controlling cucumber beetles.
Plant marigolds, calendula, or sunflowers nearby to attract robber flies, which attack grasshoppers.
Get more tips on controlling grasshoppers.
There are a number of grub-killing products on the market – look for one at your local garden center.
Get more tips on controlling grubs.
It’s easy – and organic – to pick the pests off your plants and drop them into a bucket of soapy water. Hornworms won’t bite or sting.
Get more tips on controlling tomato hornworms.
Spray the beetles with an insecticidal soap to stop them – or at least slow them down – the organic way.
Get more tips on controlling Japanese beetles.
In all but the worst cases, leaf miners don’t cause much damage. Pluck off affected leaves and worry about more harmful pests.
Get more tips on controlling leaf miners.
Look for a spray containing the ingredient spinosad; this is a natural product that’s often effective on sawflies.
Get more tips on controlling sawflies.
Several beneficial insects, including tachnid flies, attack squash bugs. Include flowers such as marigolds, calendula, sunflowers, or dill in your garden to attract the good guys.
Get more tips on controlling squash bugs.
Remove the webbing with a long-handled shovel or rake, or use a big stick. Once the webbing is gone, the caterpillars are easy prey for hungry birds.
Get more tips on controlling webworms.
Some plants are more resistant to the disease than others. Choose resistant varieties whenever possible to keep powdery mildew out of your garden.
Get more tips on controlling powdery mildew.
Stop black spot by keeping your roses’ foliage dry. Wet leaves – especially in the afternoon or evening hours – encourage this and other fungal diseases.
