Deer, rabbits, and groundhogs are the most common wild animals that damage tomato plants

Deer browse tomato foliage and strip leaves from stems, especially when other food is scarce in late summer and fall. They rarely eat the fruit itself, but the leaf damage weakens the plant and exposes fruit to sunburn. Rabbits eat seedlings down to the soil line and nibble leaves and stems on mature plants. Groundhogs (also called woodchucks) eat entire plants, including fruit, and can destroy a whole garden bed in a single visit.

Smaller animals cause different damage. Squirrels and chipmunks dig in the soil around plants, disturbing roots and sometimes eating unripe fruit. Raccoons knock over plants while foraging for grubs in the soil and may eat ripe tomatoes. Opossums eat fallen fruit and occasionally climb to reach ripe tomatoes. Voles and mice gnaw on stems at soil level, girdling plants and killing them.

The animal causing damage depends on your region, the season, and what else is available to eat nearby. A single night of deer browsing looks different from rabbit damage, which looks different from groundhog destruction — and knowing which animal is feeding tells you which barrier or deterrent will actually work.

Key Takeaways

  • Deer eat tomato leaves but not fruit; rabbits and groundhogs eat both leaves and fruit, with groundhogs capable of destroying entire plants in one visit.
  • Fencing height and type matter: deer need 6 to 8 feet tall, rabbits need 2 to 3 feet with the bottom buried 6 inches, and groundhogs need 3 feet tall plus an underground barrier.
  • Damage patterns tell you which animal is feeding — deer leave ragged leaf edges, rabbits cut stems cleanly at angles, and groundhogs leave nothing behind.
  • Repellents like capsaicin spray, predator urine, and noise makers work best when rotated and combined, because animals adapt to a single method over time.
  • Removing shelter (brush piles, tall grass) and securing compost bins reduces the reason animals visit your garden in the first place.

How to identify which animal is eating your tomato plants

Look at the damage pattern and what part of the plant is eaten. Deer leave ragged, torn leaf edges because they have no upper front teeth and tear leaves against their lower teeth. They browse at a height of 4 to 6 feet and often strip entire branches. Rabbits cut stems and leaves cleanly at an angle, as if with scissors, and eat plants down to 1 to 2 feet high. Groundhogs leave nothing — they eat the entire plant, fruit included, and the damage looks like something was mowed down.

Squirrels and chipmunks leave small holes in fruit and dig shallow holes around the base of plants. Raccoons knock plants over and leave muddy paw prints; they often feed at night and may return to the same plant several nights in a row. Voles and mice girdle stems at soil level, leaving a clean cut all the way around the stem, and the plant wilts even though the leaves look undamaged.

Timing also matters. Deer feed at dawn and dusk. Rabbits feed throughout the day but especially in early morning. Groundhogs are active during daylight, usually mid-morning to late afternoon. Raccoons and opossums feed at night. If you see tracks in soft soil or mud near the damage, photograph them — paw prints are the clearest proof of which animal is present.

Fencing: the most reliable barrier for each animal

Fencing works because it physically blocks animals from reaching plants. The type and height depend on which animal you are stopping. For deer: a fence must be 6 to 8 feet tall and solid or closely spaced, because deer can jump high and will push through gaps. A single-strand electric fence at 4 feet high works if deer are not desperate for food, but a solid fence is more reliable. For rabbits: a 2 to 3 foot fence stops most rabbits, but the bottom 6 inches must be buried or bent outward, because rabbits dig under barriers. For groundhogs: a 3 foot fence above ground plus an underground barrier — either buried 12 inches deep or bent outward at a 90-degree angle for 12 inches — stops them from digging under.

Squirrels and chipmunks can climb, so a fence alone will not stop them; you need a roof or angled overhang at the top. Raccoons are strong and can tear through chicken wire, so use hardware cloth (a stronger mesh) or electric fencing. Voles and mice require an underground barrier at least 12 inches deep, or you can line the inside of a raised bed with hardware cloth before filling it with soil.

Fencing is expensive and time-consuming to install, but it is the only method that works year-round without maintenance or replacement. If you have multiple animals, a combination fence — tall enough for deer, buried deep enough for groundhogs — protects against most threats at once.

Repellents and deterrents that reduce feeding

Repellents work by making plants taste bad or smell wrong. Capsaicin spray (made from hot peppers) burns the mouth and nose of animals that eat treated leaves; it works on deer, rabbits, and some smaller animals. Predator urine (coyote or bobcat) signals danger and deters deer and rabbits, though it must be reapplied after rain. Motion-activated lights and sprinklers startle animals at night and work best on deer and raccoons. Noise makers — radios, wind chimes, or motion-triggered sounds — work temporarily but animals adapt quickly.

Repellents are most effective when rotated. If you use capsaicin spray for two weeks, then switch to predator urine for two weeks, then back to capsaicin, animals do not habituate to a single smell or taste. Combining methods — fencing plus a repellent, or a repellent plus a motion-activated sprinkler — is more effective than either alone.

Repellents require regular reapplication, especially after rain or new growth. They also work better on some animals than others: deer respond well to taste and smell deterrents, but groundhogs are harder to deter and often require fencing. Read the label to confirm the product targets the animal you are dealing with.

Remove food sources and shelter to discourage visits

Animals visit gardens because food and shelter are available. Removing these reasons makes your garden less attractive. find compost bins with locking lids so raccoons and groundhogs cannot access food scraps. Remove fallen fruit daily, because it attracts raccoons, opossums, and other scavengers. Mow tall grass and remove brush piles, because rabbits and groundhogs use these as cover and shelter.

If you have a bird feeder, move it away from the garden or use a squirrel-proof feeder, because spilled seed attracts squirrels, chipmunks, and deer. Do not leave pet food outside, because it attracts raccoons and other animals. If you have a water source (a pond or birdbath), animals may visit the garden on their way to drink, so consider whether you can move it or fence it separately.

These steps take time and are not foolproof — a hungry groundhog will dig under a fence if food is scarce elsewhere — but they reduce the reason animals visit in the first place. Combined with fencing or repellents, habitat management makes your garden a less appealing target.

Trapping and relocation: when and how it works

Live trapping allows you to catch an animal and move it away from your garden. It works best for groundhogs, raccoons, and opossums — animals that are large enough to trap safely and that cause severe damage. Rabbits and squirrels are harder to trap effectively because they are small and numerous; removing one rabbit does not solve the problem if ten more live nearby.

Trapping requires a live trap (a cage that closes when the animal enters), bait (vegetables for groundhogs, peanut butter for raccoons), and a plan for where to release the animal. Check local laws before trapping: some states require a permit, and some prohibit relocation of wildlife. Many areas require you to contact a licensed wildlife removal service rather than trap yourself.

Trapping is labor-intensive and does not address the reason the animal came to your garden. If you trap and relocate a groundhog but leave brush piles and unsecured compost, another groundhog will move in. Use trapping as a last resort when fencing and repellents have failed, and combine it with habitat changes so the problem does not repeat.

Protecting seedlings and young plants

Young tomato plants are more vulnerable than mature ones because they are smaller and easier to eat completely. Protect seedlings with individual barriers: row covers (lightweight fabric) keep rabbits and deer off plants while allowing light and water through, but you must remove them when plants flower so pollinators can reach the flowers. Cloches (clear plastic or glass covers) protect individual plants from rabbits and small animals but can overheat on warm days.

Plant seedlings in a fenced area or raised bed with a buried barrier if groundhogs or voles are present. Delay transplanting seedlings to the garden until they are large enough to survive some browsing — a 12-inch plant can lose a few leaves and recover, but a 4-inch seedling eaten halfway down will die.

If you are starting seeds indoors and hardening off seedlings before transplanting, keep them in a protected space (a porch, cold frame, or fenced area) until they go in the ground. The first few weeks after transplanting are the most dangerous time for young plants.

Frequently Asked Questions

Do tomato plants have any natural defense against wild animals?

Tomato plants produce alkaloids (toxic compounds) in their leaves, which make the foliage taste bitter and can cause mild stomach upset in animals that eat large amounts. However, this is not a strong enough defense to stop hungry deer, rabbits, or groundhogs. The fruit itself has no chemical defense, so animals eat ripe tomatoes readily.

Will planting tomatoes in a raised bed stop animals from eating them?

A raised bed alone does not stop deer or groundhogs — deer can jump into a raised bed, and groundhogs can climb into one or dig under it. A raised bed helps with rabbits and small animals if the sides are at least 2 feet tall and the bottom is lined with hardware cloth buried 6 inches deep. Raised beds work best when combined with fencing or netting on top.

What time of year do wild animals eat tomato plants most?

Damage peaks in late summer and fall when natural food sources (berries, acorns, wild plants) are depleted and animals are preparing for winter or migration. Spring can also be a problem when animals emerge hungry after winter. Summer damage is usually lighter unless the animal population is very high or natural food is scarce in your area.

Can I use chicken wire to fence out groundhogs?

Chicken wire alone will not stop groundhogs because they can tear through it and dig under it. Use hardware cloth (a stronger, smaller-mesh wire) instead, and bury it at least 12 inches deep or bend it outward at a 90-degree angle for 12 inches. Groundhogs are strong diggers and will exploit any gap in an underground barrier.

Do commercial animal repellents actually work?

Some do, but effectiveness varies by animal, product, and how often you reapply. Capsaicin and predator urine repellents have the most research support for deer and rabbits. Most repellents work best when rotated (switching between products every two weeks) so animals do not adapt to a single smell or taste. Read reviews and labels carefully, because many products make broad claims but work only on specific animals.