Updated on September 7, 2026. Ratings below are university lists, not a guarantee for your street. Confirm current lists on the linked extension pages before you tear out a whole patch.
Sometimes. Deer will eat garden cucumbers — especially the fruit and the tender growing tips — but Cucumis sativus is not hosta-level candy. Iowa State’s fruit-and-vegetable list, compiled from Rutgers, Cornell, and Michigan State surveys, puts cucumber in the rarely damaged column with peppers, onions, watermelon, cantaloupe, and eggplant. Hairy, slightly prickly vines are the reason. That rating is a probability, not a lock. A hungry suburban herd that already walks your beans and lettuce will still take a ripe cuke.
This page is the garden-cucumber answer. Shade-bed candy is hostas. The summer fruit that actually sits in the “frequently damaged” bucket is strawberries. The other cucurbit in the same bed is pumpkins. For the rest of the yard, start at the deer-proof garden hub and the wild-diet page what do deer eat.
| Plant | Garden cucumber (Cucumis sativus). Slicing, pickling, and “burpless” types. UGA Circular 1034: 50–70 days from planting; soil at least 60 °F to germinate. |
|---|---|
| Verdict | Sometimes. Rarely a first-choice browse. Fruit and young tips still get taken wherever white-tailed deer already use the vegetable garden. |
| University rating | Rarely damaged — Iowa State (Rutgers / Cornell / Michigan State; reviewed July 2022). Tomato sits one step worse (seldom). Squash is occasionally damaged. Beans, lettuce, carrots, corn, and strawberries are frequently damaged. |
| What they eat, when | Ripe fruit first, then growing tips and flowers. Peak is fruiting — June through August in the Midwest and Mid-Atlantic, longer in the South. Dawn and dusk raids match deer feeding times. |
| Where it is worst | Unfenced suburban vegetable plots next to woods, especially when beans or strawberries sit in the same bed. |
| Official plant sheet | Iowa State deer-susceptibility list · UGA Circular 1034 · USDA FoodData Central, cucumber with peel |
Hairy vines, watery fruit
Garden cucumber is a subtropical annual. UGA horticulturist Bob Westerfield’s Circular 1034 (full review August 26, 2024) splits the crop the way seed racks do: slicing types for the salad bowl and pickling types for the jar. Vines can sprawl or go up a trellis. The plant wants 75–85 °F days, steady moisture, and insect pollination — the first flowers are male and drop without fruit.
The fruit is a pepo, about 95 percent water. USDA FoodData Central (FDC 168409, cucumber with peel, raw) lists 95.23 g water per 100 g, 16 kcal, and 1.67 g sugars. That is why a late-July cuke looks like a drink to a deer on dry browse. The leaves and stems are the opposite: coarse, slightly spiny, and not a preferred chew. An urban-agriculture pest sheet used by Cornell and other Great Lakes programs is blunt — deer tend to avoid vegetables with spines and fuzzy leaves such as cucumber and eggplant. Iowa State’s “rarely damaged” rating is that texture, not a myth that deer cannot digest cucumber.
Do not confuse three plants that share the word. Garden cucumber is Cucumis sativus. Wild cucumber (Echinocystis lobata) is a native annual vine with inflated, spiny fruit — not a crop. Indian cucumber-root (Medeola virginiana) is a forest forb. Penn State’s Deer-Forest Study treats it as preferred spring forage in northern hardwoods, not the thing on your trellis.
What they eat, and when
Deer take fruit first. They bite rather than nibble cleanly, because they have no upper incisors, so you get a ragged, crushed fruit and a torn peduncle. Growing tips and flowers go next. Mature, sandpapery leaves are last. Trellising, which UGA recommends to save space and keep fruit off wet soil, does not put the crop above a deer. A standing whitetail browses comfortably to four or five feet. How high a deer can jump is why a 4-foot tomato cage around a cucumber tower is theater.
Peak windows are the first ripe fruit of summer and late-summer dry spells. Southern plantings that keep fruiting into fall get hit then too. The raids almost always happen in low light. UGA notes that water-stressed vines make bitter fruit — cucurbitacins concentrating as the plant struggles. Bitterness is a human complaint. It is not a deer fence.
Deer damage vs rabbits vs groundhogs vs beetles
Deer leave ragged stubs and crushed fruit, plus pellets and split-heart hoof prints. Rabbits work lower: a clean 45-degree cut on young stems, usually within about 18 inches of the ground. Seedlings vanish overnight; mature fruit is usually left. If only the starts are gone, start at how to keep rabbits out of the garden before you blame a doe.
Groundhogs sit and eat fruit in place — half-chewed cukes, a burrow nearby, damage at midday. An 8-foot deer fence with a gap at the soil line will not stop them. Cornell’s Putnam County garden note stacks ½-inch welded wire about 3 feet high, bottom buried 6 inches, under a real deer fence if the herd is the other half of the problem. Cucumber beetles chew small holes and can infect seedlings with bacterial wilt as early as the cotyledon stage — UGA calls early beetle control the difference between a crop and a dead vine. Skeletonized leaves with veins still attached are beetles. Missing fruit with hoof prints is deer.
Where cucumbers get hit hardest
Cucumbers sit in the same suburban vegetable gardens as the plants deer actually prefer. Iowa State puts beans, peas, lettuce, carrots, sweet corn, and strawberries in the frequently damaged column. Cornell’s vegetable program says deer prefer snap beans, dry beans, and soybeans, and that a buffer strip of those crops can soak pressure that would otherwise hit the rest of the bed. Farm-scale honesty: the deer came for the beans. The cucumber was on the way out.
Light-pressure rural yards can keep an unfenced cucumber looking acceptable for a season. One doe that teaches her fawns the garden will not forget it. Mid-Atlantic, Midwest, and Piedmont suburbs with hostas already on the foundation circuit are where a vegetable plot without a fence loses the most. Tomatoes in the same bed are seldom damaged — one step worse than cucumber, still not lettuce. Carrots and strawberries are the plants that pull the herd in. Fence those, and you fence the cukes.
What works
Physical exclusion is the only near-certain fix once a garden is on the dusk loop. Minnesota Extension’s deer-fencing minimum is 8 feet — well-constructed, no sag, gates that actually latch. Cornell’s vegetable program uses single-strand electric fence with peanut-butter foil flags, or high-visibility polytape on fiberglass stakes as a portable summer fence. Whole-garden tactics live on how to keep deer out of garden beds. Cost comparisons are on how to keep deer from eating plants. Farm-scale versions are on how farmers keep deer away.
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For a small raised bed, a cattle-panel micro-exclosure works because deer dislike jumping into a tight box. Minnesota’s Central Region trials used 16-foot panels about 50 inches high for home vegetable gardens. Harvest daily — UGA wants fruit cut while immature anyway, and a ripe cuke left overnight is the invitation. Repellents can buy time if you start before the first browse, rotate formulas, and respray after rain. Once the patch is a known food plot, spray alone rarely holds. Which bottles last is on organic deer repellent. Do not spray a fruit you plan to eat that week unless the label allows it.
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What does not work
Companion herbs as a fence. Rosemary, sage, and basil sit on Iowa State’s rarely-or-seldom-damaged herb list. They do not hide a ripe cucumber from a deer that already walks the beans. Surrounding the patch with marigolds helps only if the cucumbers are also fenced. A 4-foot decorative picket is below jump height. Dryer sheets, bars of soap, human hair, and a single motion light buy days, not a season. Feeding leftover cucumbers “so they leave the garden alone” trains the opposite habit. No slicing, pickling, or burpless variety has been shown to be less palatable. Smooth-skinned greenhouse types skip some of the prickle; they are not a deer-resistant cultivar.
Three substitutes that already earn their keep
If the real question is “what can I grow without feeding the herd,” swap the plants deer actually target, not the cucumber:
- Marigolds — Iowa State puts Tagetes in the seldom-damaged annuals. Use them as a sunny edge, not as a magic ring around unprotected fruit.
- Lavender — strong scent, and it sits on every serious “rarely eaten” herb list. Full sun, sharp drainage, the same light a cucumber trellis wants on the south side of a fence.
- Geraniums (scented Pelargonium bedding types) — fuzzy leaf and sharp smell; garden-hub rating is rarely eaten. Summer color in pots on a deck deer will not climb.
Peppers, onions, and garlic are the vegetable swaps Iowa State actually rates rarely damaged. We do not have child pages for those crops yet; treat the Iowa State list as the source. For flower color around the plot, use the deer-resistant annuals list, the deer-resistant perennials list, and what flowers deer do not eat.
Related plants in the same garden
If deer found the cucumbers, they have already found the rest of the vegetable row. Strawberries go first. Carrots and beans go with them. Tomatoes are safer than those, not safe. Pumpkins sit a step worse than cucumber on Iowa State’s list (occasionally damaged) and lose fruit in fall. Hostas on the shade side of the same house are a different bed and a different night. Protect the whole plot; do not cage one trellis and leave an open lettuce row next to it. Wild browse, not garden fruit, is on what a white-tailed deer eats.
FAQ
Will cucumber plants grow back after deer eat them?
Usually, yes, if the crown and enough leaf remain. You lose that flush of fruit. Repeated tip-browse keeps the plant from loading a crop. Seedlings eaten to the soil line are done; replant, then cage. Bacterial wilt from cucumber beetles is the look-alike that will not grow back — the whole vine collapses.
Do pickling cucumbers resist deer better than slicing types?
No. Pickling, slicing, bush, and burpless types share the same hairy vine and watery fruit. Bush cultivars such as Salad Bush stay shorter, so more of the plant sits inside the browse zone. Trellised slicing fruit is still at mouth height.
Are groundhogs eating my cucumbers, not deer?
Often. Half-eaten fruit left in the row, daytime feeding, and a burrow nearby are woodchuck signs. Ragged overnight stripping plus pellets and hoof prints are deer. Many gardens have both. Fix the groundhog with buried wire; fix the deer with height.
Should I feed leftover cucumbers to deer?
No. A ripe cuke is 95 percent water and almost no protein. It is not a ration, and it is how a yard becomes a stop on the dusk circuit. Do not bait the garden you are trying to save.
Sources
- Iowa State Extension — Susceptibility of Plants to Deer Damage (cucumber rarely damaged; sources Rutgers, Cornell, Michigan State; reviewed July 2022)
- Rutgers NJAES — Landscape Plants Rated by Deer Resistance
- Cornell Vegetable Program — Minimizing Deer Damage in Vegetable Crops
- UGA Extension Circular 1034 — Growing Cucumbers in the Home Garden (full review August 26, 2024)
- USDA FoodData Central 168409 — cucumber, with peel, raw (95.23 g water / 100 g)
- Penn State Deer-Forest Study — Indian cucumber-root as preferred spring forage
- Minnesota Extension — 8-foot deer fencing
- Urban agriculture white-tailed deer pest sheet (spines and fuzzy leaves — cucumber, eggplant)
This is a child of the deer-proof garden guide. Wild browse, not garden cucumbers, is on what deer eat.
