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Pests to Keep an Eye Out for in Your Garden This Fall

Planting fall crops is a great way to get more out of your garden and enjoy the flavors of plants that favor cooler weather. Although fall gardens experience fewer pests than spring gardens, it’s important not to let your guard down because there are still a few bad bugs that can destroy your hard work. If you want to keep your harvest of carrots, alliums, cabbage, and other autumn vegetables safe, watch out for these four fall pests as the days grow cooler.

Pests to Keep an Eye Out for in Your Garden This Fall


You have probably already dealt with aphids in your spring garden, but they’re no less of a pest in the fall. Aphids are sap-sucking insects that not only feast on your plants but also attract other pests like ants and wasps by excreting honeydew. These tricky pests usually require multiple sprays of a pesticide like pyrethrum to keep them under control.


Often confused with spring’s tent worms, webworms are a worldwide problem that can cause severe leaf damage. Webworms are actually the larvae of a white moth species. The moths lay eggs in late summer, and by early fall the larvae hatch and build webs for protection while they snack on your plants. The good news is that chemical pest control is rarely needed for webworms. Just knock the webs down with a broom or stick.

Cabbage Loopers

Don’t let the name fool you. Cabbage loopers are fat green caterpillars with a voracious appetite for all your fall vegetables, and they also like to munch on flowers like nasturtiums and carnations as well. Using row covers and picking the caterpillars off plants by hand is your first line of defense against cabbage loopers, but neem oil or organic insecticides can be useful for treating moderate to severe infestations.


Have you noticed that many of your plants inexplicably die or fall over? Cutworms may be the culprit. These larvae of nocturnal moths hatch in the fall and eat the stems and roots of young plants. The best way to control cutworms is to keep grass away from your garden. Mow your lawn often, and maintain a two-foot barrier of open dirt between the grass and your plants.


If your garden is still infested with fall pests despite your best efforts to evict them, consider calling in a professional to save your harvest. Powerful insecticides can be hazardous, but pest control specialists know how to use them safely and effectively to keep your garden healthy all year long.


Meghan Belnap is a freelance writer who enjoys spending time with her family. She loves being outdoors and exploring new opportunities whenever they arise. Meghan finds happiness in researching new topics that help to expand her horizons. You can often find her buried in a good book or out looking for an adventure. You can connect with her on Facebook right here and Twitter right here.

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