Squirrels are clever, persistent and endlessly entertaining — and, for a gardener, endlessly frustrating. They dig up bulbs within hours of planting, strip sweetcorn the day before you planned to pick it, take a single bite from every peach on the tree, and empty a bird feeder in minutes. They are also excellent climbers, strong jumpers and quick learners, which means many of the defences that work against other garden animals do not work against squirrels at all. The answer is not to fight them but to protect the things that matter most, and to do it humanely, without poisons or lethal traps.

This guide covers how to recognise squirrel damage, how squirrels behave, and humane protection in order: physical protection, deterrents, diversion and plant choice. There is no lethal advice here. What works is a combination of methods, kept up consistently, and an honest acceptance that in a squirrel-rich area, some losses are part of gardening.

How to tell it is squirrels

Squirrel damage has a distinctive look. Bulbs are dug up and eaten or reburied elsewhere, often within a day of planting, leaving small, neat holes in the soil. Sweetcorn cobs are stripped, often just before they ripen, with the husks torn open. Fruit is bitten — a single bite taken from each fruit rather than one fruit eaten completely — and nuts are carried away. Seedlings in pots are dug up, sometimes with the plant left lying beside the hole. You may also find buried nuts and seeds in pots and beds, and small holes dug in lawns where squirrels have hidden food.

The damage is often confused with birds or rats, but the clues differ: birds peck fruit but do not usually dig up bulbs, and rats are nocturnal while squirrels are active in the day. If the damage happens in daylight, and bulbs are being dug up rather than eaten in place, squirrels are the likely culprit. Watch the garden in the morning — you will usually see them at work.

Understanding squirrel behaviour

Squirrels are diurnal, most active in the morning and late afternoon, and they are at their busiest in autumn, when they are burying food for winter, and in spring, when they are digging it up again. They are excellent climbers and can jump 2–3 metres between branches or from a fence to a tree, so a fence that stops a rabbit will not stop a squirrel. They are also intelligent and adaptable: they learn to defeat a feeder or a net, and they remember where they buried food.

They are attracted to gardens by food — bulbs, fruit, nuts, seeds, sweetcorn and bird feeders — and by trees and fences that give them routes through the garden. A garden with a bird feeder, a nut tree and a bed of tulip bulbs is a squirrel paradise. Reducing the attraction is part of the answer, but the main answer is protecting the food itself.

Physical protection — the only reliable defence

Physical protection is the only method that reliably works against squirrels, because they defeat most deterrents eventually. For bulbs, the most effective method is to plant them in wire mesh baskets, or to lay a sheet of wire mesh over the bed after planting, pinned down and covered with a thin layer of soil or mulch. The shoots grow through the mesh, but the squirrels cannot dig the bulbs up. Alternatively, plant bulbs deeper than usual — 15–20 cm for tulips — since squirrels dig less readily at depth.

For fruit trees, netting is the answer, but it needs to be fine mesh, well secured, and put on before the fruit ripens. A squirrel can chew through thin netting and can squeeze through a gap, so check the netting regularly and seal the edges. For sweetcorn, the most reliable protection is a cage of wire mesh around the whole bed, or individual mesh bags over each cob in the final weeks before harvest. If you grow sweet corn or pumpkins, protect them from the moment the fruit starts to swell.

For pots and containers, a layer of wire mesh or coarse gravel over the soil surface deters digging, and a sprinkle of prickly holly leaves on the surface is a traditional deterrent. Bird feeders need a baffle — a smooth cone or dome above or below the feeder that the squirrel cannot climb past — and should be placed away from fences, trees and roofs that the squirrel can jump from.

Humane deterrents

Scent deterrents based on hot pepper are the best known for squirrels: a dusting of chilli flakes or a spray of hot pepper solution on bulbs and around plants can deter digging and nibbling, though it needs reapplying after rain. Some gardeners report success with predator urine granules or with garlic-based sprays, but results vary. Always check your local extension service for products approved in your area.

Motion-activated sprinklers startle squirrels effectively and work in the day when they are active. A dog that spends time in the garden is a strong deterrent. Reflective tape, wind chimes and plastic owls help for a while, but squirrels habituate to them quickly, so move them around and combine them with other methods. Do not rely on a plastic owl alone — the squirrels will be sitting on it within a week.

Diversion and plant choice

Diversion works better with squirrels than with most garden animals, because they are easily distracted by an easy meal. A squirrel feeder stocked with corn or nuts at the far edge of the property, away from the garden, can draw them away from the beds — though it may also attract more squirrels to the area, so it is a trade-off worth thinking about. Some gardeners plant a sacrificial patch of sunflowers or corn away from the main garden for the same reason.

Plant choice helps too. Squirrels dig up tulips and crocus eagerly, but they usually leave daffodils, alliums, fritillaries and hyacinths alone — daffodil bulbs are toxic to them, and alliums are strongly scented. If squirrels are a serious problem, plant the bulbs they dislike in the most exposed beds and the bulbs they love inside wire baskets. For fruit, there is no variety a squirrel will not try, so netting matters more than choice.

Prevention and long-term habits

Prevention is about reducing the attraction and protecting the food. Avoid leaving fallen fruit on the ground, since it attracts squirrels as well as wasps. Store bird seed in sealed metal containers, since squirrels will chew through plastic. Keep trees pruned so branches do not overhang the vegetable garden or reach the roof, and keep fences and sheds clear of routes into the beds. Plant bulbs in mesh baskets as a matter of routine in squirrel-rich gardens, and net fruit before it ripens rather than after the first bite — once a squirrel has tasted a peach, it will be back for the rest.

Frequently asked questions

How do I stop squirrels digging up my bulbs? Plant them in wire mesh baskets, or lay wire mesh over the bed after planting. Planting deeper also helps, and choosing bulbs squirrels dislike — daffodils, alliums, fritillaries — avoids the problem altogether in the most exposed beds.

Will a fence keep squirrels out? No. Squirrels climb and jump, and a fence that stops rabbits or deer will not stop them. Physical protection of the plants themselves — mesh, netting, baskets — is what works.

Do squirrel repellents work? Hot pepper-based deterrents can reduce digging and nibbling, but they need reapplying after rain and they work best on a small area. They are a supplement to physical protection, not a replacement — and check your local extension service for products approved in your area.

Why do squirrels take one bite from every fruit? They are sampling. A squirrel will taste a fruit, decide it is not yet ripe, and move on to the next one, which is why a whole crop can be ruined without a single fruit being eaten. Netting before the fruit ripens is the answer.

Should I feed the squirrels to keep them away from my garden? It can help in the short term, but it may also attract more squirrels to the area. If you try it, place the feeder well away from the garden and the bird feeders, and accept that it is a trade-off.

Squirrels are a problem that rewards physical protection and realism. Basket the bulbs, net the fruit, cage the sweetcorn, and plant the bulbs they dislike in the open beds — and the losses will shrink to a level you can live with, even if the squirrels never leave. For other garden visitors, see our birds in the garden and mice in the garden guides, and browse the guides hub.