4 Ways to Keep Animals from Wrecking Your Garden, According to Pros

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When critters start to graze in your yard, your garden can start to look less like a relaxing hobby and more like an all-you-can-eat buffet. And unfortunately, the guests can come from just about anywhere: the sky, the grass, and even underground.

The good news? There are proven ways to deter these cute friends — and you don’t have to play dirty to protect your garden. According to Nick Volesky, South Dakota State University Extension horticulture and specialty crops field specialist, the most effective approach is a layered one. Instead of hoping for one magic fix, combine a few strong, proven deterrents that make your garden harder to access and less inviting for animals looking for a snack.

Gardeners call it “integrated pest management,” or IPM: a practical, step-by-step framework that emphasizes prevention, physical barriers, and environmentally responsible controls before reaching for stronger interventions. If birds, rabbits, squirrels, deer, or burrowing pests have been beating you to your harvest, these are some of the best science-backed, non-harmful ways to push back.

If there is one big takeaway from Volesky’s advice, it is this: Physical exclusion is one of the most reliable ways to protect a garden.

That means netting, fencing, in-ground barriers, and other methods that do not just “discourage” pests, but actually make it harder for them to reach what they want. Reflective objects and scare tactics can help, but they work best as supporting players. The strongest defense usually starts with something physical in the way.

This matters because different pests attack from different directions. Birds and deer come from above or outside the bed. Rabbits and squirrels work from ground level. Burrowing pests like gophers create a whole different problem, because they do not care what your garden looks like from the surface if they can tunnel in from below.

Instead of treating all critters the same, it helps to block the most likely route in.

For above-ground garden raiders, netting can do a lot of heavy lifting. It can help protect fruits and vegetables from birds and small animals, but only if it is used the right way.

Volesky recommends choosing netting with the appropriate hole size for the pest you are trying to deter. If the openings are too large, smaller pests may still get through. But there is another important consideration here too: bird safety.

Kathi Borgmann, an ornithologist with the Cornell Lab of Ornithology (the creators of the famous Merlin Bird ID app!), emphasized that if gardeners use netting, they should choose it carefully and install it in a way that reduces the risk of birds becoming entangled.

That means keeping the netting tight with posts, hoops, frames, or another support system instead of letting it drape loosely over plants. Loose netting and larger openings are more likely to trap birds. Bird netting comes in different mesh sizes, and 1/2-inch mesh or smaller is generally accepted as safer for both large and small bird species (bats, too!). 

This is one of those methods that is not especially glamorous, but it works, especially during that important stage when berries, tomatoes, or leafy greens are just about ready, and every bird in the neighborhood seems to know it.

Raised beds are often talked about for drainage, soil quality, and easier harvesting on your back and knees, but they can also help with pest deterrence by design.

Because they lift the growing area off the ground, raised garden boxes can make it harder for some smaller ground pests to access plants in the first place. They won’t stop every determined visitor, but they can create a helpful first barrier when paired with other protective methods. 

Some critters are not climbing over your defenses. They are going under them.

For burrowing animals, Volesky recommends solutions that address the problem below the surface, not just above it. In-ground fencing (chicken wire, hardware cloth, or similar mesh) buried 6 inches deep can be especially helpful here. Think of it a bit like building protection into a chicken coop: The barrier is not just upright but dug into the ground so animals cannot simply tunnel beneath it.

The exact setup depends on the pest pressure in your area, but the guiding principle is simple: If the animal burrows, your barrier has to match their methods. 

Visual deterrents can have a place in your garden, especially if birds are a recurring problem. Reflective pinwheels, holographic flash tape, and other moving, light-catching materials can startle pests and make the space feel less predictable.

The key word there is can.

Volesky notes that movement is what gives reflective materials more of an edge. Wind helps. Light helps. A little unpredictability helps. But these methods are not as consistently effective as physical exclusion, and some animals may get used to them over time.

If you use them, move them around every so often so they are not always flashing from the exact same spot.

If your garden keeps getting hit, it is tempting to search for one “best” fix. But the better question is usually what combination of methods makes this garden the hardest target?

That is the heart of IPM, and it is why Volesky’s advice keeps circling back to layered prevention. Healthy plants, good placement, thoughtful bed design, netting, fencing, and selective visual deterrents all work better together than they do alone. Ask yourself where the problem is coming from, then build your response around that access point.

The goal is not perfection; it is making your garden a lot less easy to raid.

If you want to bolster your efforts with expert advice about local pest pressure, unusual garden damage, or questions specific to your climate and growing conditions, Extension Master Gardeners are an excellent resource. Most offer garden phone hotlines, with multiple regional hotlines available across the 49 states where the program operates. Local guidance can help you make smarter decisions faster, and maybe save a few tomatoes in the process.