How to identify and manage voles

UK seasonality and monitoring

Voles can be active throughout the year, especially in rough grassy margins.

During this period inspect Root crops, alliums, strawberries and young trees, concentrating on the crop stage and plant parts described above. Note when and where fresh injury appears; old feeding marks can remain after the pest has moved on.

Crops and plants affected

The recorded hosts are Root crops, alliums, strawberries and young trees. This list identifies plants worth checking; it does not mean every crop is equally vulnerable. Start with the listed plants and inspect the tissue where this pest feeds.

Check affected crops for these signs: Roots, bulbs and bark are chewed; plants may wilt suddenly. Match the symptom to a live pest, larva, egg or characteristic feeding sign before deciding that treatment is needed.

Damage and likely consequences

Roots, bulbs and bark are chewed; plants may wilt suddenly. A small amount of old damage on a vigorous plant may be cosmetic. Continued feeding on roots, seedlings, growing points or edible parts can reduce establishment or yield.

On Root crops, alliums, strawberries and young trees, judge severity by checking whether injury is fresh and spreading, whether the plant is still growing, and whether the edible part is affected. Avoid removing a crop based on one ambiguous mark.

Prevention

Keep grass edges managed near beds and protect bulbs, roots and young tree trunks with mesh.

Control and integrated management

Look for runways and gnaw marks near ground level before changing watering or soil treatment.

Natural predators and wildlife-conscious choices

Leave some habitat away from beds for predators such as owls and weasels.

For voles on Root crops, alliums, strawberries and young trees, use a barrier or hand removal only where it fits the crop and life stage. Keep any cover taut, inspect it for trapped wildlife, and remove it when protection is no longer needed.

Long-term management

Reduce dense cover directly beside crops while retaining some habitat at a distance for predators.

For voles on Root crops, alliums, strawberries and young trees, record the bed, crop stage and date when fresh damage first appears. Those notes help time protection and monitoring before the same crop stage is vulnerable next season.

Common mistakes

A symptom alone is not a diagnosis. Voles are compact rodents that often use grass runways and burrows. Gnawed roots, bulbs or bark at ground level and sudden wilting can point to them, though waterlogging and root disease are alternative causes. Look for a matching live pest or fresh feeding sign before intervening.

Root rot can resemble vole injury; inspect for runways and gnaw marks before deciding.

If damage continues

Recheck Root crops, alliums, strawberries and young trees where new injury is appearing, including the hidden feeding site: roots, folded leaves, leaf undersides, flowers or fruit as appropriate. If identification remains uncertain, photograph a live specimen alongside the damage and ask an allotment association or horticultural adviser.

If the recommended control (Remove cover around crops and use humane traps where permitted.) has not helped, confirm that it was fitted or applied at the right crop stage and that fresh damage is still occurring. Old marks do not heal when the pest has gone.

Frequently asked questions