Squirrels eat tomato plants because they need water and salt, especially in summer heat
Squirrels bite into tomatoes to drink the juice inside, not because they want to eat the fruit itself. A tomato plant in full sun provides both moisture and minerals that squirrels crave when natural water sources dry up. They will target ripe tomatoes first—the softer flesh is easier to puncture—but they also gnaw on green tomatoes and even the stems and leaves when desperate.
The damage usually happens in mid to late summer, when temperatures peak and squirrels are more aggressive about finding water. A single squirrel can destroy several tomatoes in one visit, taking a bite or two from each one and moving on. Once squirrels find your plants, they return daily until you change something about the setup or the food source itself.
Key Takeaways
- Physical barriers like cages, netting, and fencing work better than repellents because squirrels ignore most sprays and granules after a few days.
- Removing ripe tomatoes as soon as they color and harvesting green tomatoes indoors to ripen stops squirrels from having a reason to visit.
- A shallow water dish placed away from the garden reduces the squirrel's need to puncture tomatoes for moisture.
- Trapping and relocating squirrels is legal in some states but illegal in others; check your local wildlife rules before attempting it.
- Companion plants and noise makers have limited success because squirrels habituate to them within days or weeks.
Use physical barriers to block squirrel access
A cage or enclosure is the most reliable defense. Build or buy a tomato cage made from 1/4-inch hardware cloth (not chicken wire, which squirrels can tear). The cage must sit on the ground or be buried 6 inches deep so squirrels cannot dig underneath. Leave the top open for sunlight and watering, or cover it with netting if squirrels are climbing over the sides.
For larger garden areas, install a fence at least 4 feet tall made from hardware cloth or welded wire. Squirrels can jump higher than you think, so height matters. Bury the fence 6 to 12 inches underground or bend the bottom outward at a 90-degree angle and lay it flat on the soil—this stops them from digging under the edge. Check the fence weekly for gaps or damage, especially after wind or rain.
Netting draped over plants works for smaller gardens. Use bird netting or shade cloth with holes no larger than 1/4 inch. find it tightly to stakes or the cage frame so squirrels cannot push underneath or pull it loose. Netting requires daily inspection because squirrels will chew through weak spots, and you need to remove it during harvest to pick ripe tomatoes.
Harvest tomatoes early and ripen them indoors
Pick tomatoes as soon as they show color—they do not need to be fully red on the vine. A tomato that is 75 percent colored will ripen indoors in 3 to 7 days at room temperature, away from direct sunlight. This removes the squirrel's target before it becomes attractive.
Place colored tomatoes in a single layer on a windowsill, shelf, or cardboard box indoors. They will continue to develop flavor and color without any special equipment. Green tomatoes can also ripen indoors, though they take longer (10 to 30 days depending on how mature they are). This method works especially well in late summer when you are harvesting most of your crop anyway.
If you leave ripe tomatoes on the vine for flavor, squirrels will find them within hours. Checking plants twice daily and harvesting anything with color is the only way to protect fruit without a physical barrier.
Provide water away from the garden
Set out a shallow dish or bird bath filled with water at least 10 feet away from your tomato plants. Squirrels will drink from the dish instead of puncturing tomatoes. Refill it daily and keep it in a shaded spot so the water stays cool and does not evaporate as quickly.
Adding a pinch of salt to the water makes it more attractive—squirrels seek salt as well as moisture. This is not a complete solution on its own, but combined with other methods it reduces the squirrel's motivation to visit your plants. In very hot weather, you may need to refill the dish twice a day.
Understand why repellents and noise makers have limited success
Capsaicin sprays, predator urine, and motion-activated sprinklers work for a few days or weeks, then squirrels learn to ignore them. Squirrels are intelligent and adaptable—they recognize that the noise or smell does not actually harm them. Once they realize this, they return to eating tomatoes.
Ultrasonic devices, wind chimes, and reflective tape are similarly temporary. Squirrels may avoid the area for a short time, but habituation happens quickly. If you use these methods, rotate them every week or two to slow down the learning process, but do not rely on them as your only defense.
Companion plants like marigolds, nasturtiums, and garlic are sometimes recommended, but squirrels will eat around them or ignore them entirely. These plants may help with some garden pests, but they do not deter squirrels from tomatoes.
Know the legal rules before trapping squirrels
Trapping and relocating squirrels is illegal in many states and counties without a permit. Some places allow relocation only during certain months. Other areas require you to contact a licensed wildlife removal service instead of doing it yourself. Check your state's wildlife agency website or call your local animal control office to learn what is permitted in your area.
If trapping is legal where you live, use a one-way door or live trap baited with peanut butter or nuts. Check the trap daily—a trapped squirrel can become stressed or injured if left for hours. Relocating a squirrel more than a few miles away is often illegal because it can spread disease or disrupt another population. Many relocated squirrels do not survive in unfamiliar territory.
Lethal control is an option in some places, but it is labor-intensive and does not prevent new squirrels from moving in once the original ones are gone. Physical barriers remain the most practical long-term solution.
Combine methods for the best results
A single approach rarely works for the entire season. The most successful gardeners use a combination: a physical barrier around the plants, early harvesting of ripe fruit, and a water source away from the garden. This removes the squirrel's access, motivation, and reason to visit.
Start with barriers in early summer before squirrels discover your plants. Add a water dish in mid-summer when heat increases. Begin harvesting early and often once tomatoes start to color. If squirrels still appear, add a repellent spray or noise maker as a temporary boost while you reinforce the barrier.
Monitor your plants every few days and adjust your strategy based on what you see. A small gap in fencing or a loose section of netting can undo weeks of protection. Consistency matters more than perfection—squirrels test your defenses constantly, and they will exploit any weakness.
Frequently Asked Questions
Will squirrels eat tomato plants if I plant them in containers on a porch?
Squirrels will still reach containers on a porch or deck if they can climb to that height. Placing pots on a table or shelf does not stop them—squirrels are excellent climbers. Use the same barriers: cages, netting, or fencing around the containers. Alternatively, keep containers in a screened porch or greenhouse where squirrels cannot access them.
What time of day do squirrels eat tomatoes?
Squirrels are most active in early morning and late afternoon, but they will eat tomatoes at any time of day if they are hungry enough. They are less active during the hottest part of midday, so that is when you have the best window to harvest ripe fruit without encountering them.
Can I use chicken wire instead of hardware cloth?
Chicken wire is not strong enough. Squirrels can tear through it with their teeth and claws. Use 1/4-inch hardware cloth or welded wire mesh instead. The smaller holes also prevent smaller pests like chipmunks and voles from entering.
Do squirrels prefer certain tomato varieties?
Squirrels target all tomato varieties equally. They are not picky eaters—they want the water and minerals inside, not the flavor. Cherry tomatoes, beefsteaks, and heirlooms are all at risk. Planting a different variety will not protect your crop.
How long does it take for a tomato to ripen indoors?
A tomato that is already colored (75 percent red or more) will ripen fully indoors in 3 to 7 days at room temperature. A green tomato takes 10 to 30 days depending on how mature it is. Keep them out of direct sunlight and check them daily—they ripen faster in warm rooms.