Damage Caused by Gophers in Gardens A single gopher can cause extensive damage to a garden in a very little time. Some of the pests' favorite food includes carrots, sweet potatoes, and peas. They also eat cabbage, broccoli, burssels sprouts, garlic, and onions. The damage that gophers in gardens can cause may initially go unnoticed as they gnaw on roots underground. They also wreak havoc on irrigation pipes and sprinkler systems while digging their burrows. Control & Removal Gardeners can take advantage of exclusion methods to reduce the possibility of finding gophers in gardens. Erecting fences, using gravel to deter burrowing, and purchasing devices that create underground noises and vibration helps keep the pests at bay. However, the only surefire way to protect gardens from gophers is to seek the assistance of professionals. The experts at Critter Control will put an end to gopher infestations and protect against rampant lawn damage.