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17 September 2026

How to Prevent Rodent Problems Around Your Garden This Autumn

Prevent rats and mice from making themselves at home this autumn. Discover simple garden maintenance tips and effective rodent control solutions.
By Libby Gelsthorpe
How to Prevent Rodent Problems Around Your Garden This Autumn

As summer draws to a close, many homeowners begin preparing their gardens for autumn. While falling leaves and cooler temperatures are on the horizon, it's also a time when rodents start becoming more noticeable around homes and gardens.

As food sources begin to change and weather conditions become less predictable, rats and mice often seek out sheltered locations where they can nest and overwinter.

Taking preventative action now can help avoid a much larger problem in the months ahead.

Why rodent activity can increase after summer

Late summer and early autumn are key periods for rodent activity. Gardens often provide easy access to food, water and shelter, making them attractive environments for rats and mice.

Common attractions include:

  • Bird feeders and fallen seed
  • Compost bins
  • Pet food left outdoors
  • Garden sheds and outbuildings
  • Overgrown vegetation
  • Overflowing waste bins

Removing these attractions can significantly reduce the likelihood of rodents settling nearby.

Tidy up before autumn arrives

The end of summer is the perfect opportunity to carry out a garden tidy-up.

Cutting back dense vegetation, removing garden waste and clearing areas around sheds and fences can make your garden far less inviting to rodents seeking shelter for the colder months ahead.

Regular maintenance also makes it easier to spot signs of activity before infestations become established.

Check sheds, garages & outbuildings

As temperatures begin to fall, rodents look for dry, protected spaces to nest.

Inspect sheds, garages and other outdoor structures for:

  • Gaps beneath doors
  • Damaged vents
  • Cracks in walls
  • Holes around pipework

Sealing access points now can prevent problems later in autumn and winter.

Act early if you spot signs of rodents

Droppings, gnaw marks, burrows and shredded nesting materials are all signs that rodents may already be present.

Dealing with activity early is usually far easier than tackling an established infestation.

ProGreen offers a wide range of rodent management solutions, from professional-use products such as Sapphire Grain Bulk Box, Ruby Grain Sachet Sapphire Grain Sachets (5kg), Ruby Paste (5kg) and Sapphire Loose Grain (5kg). For non-professional users, ProGreen also supplies a selection of ready-to-use rodent control products suitable for homeowners and small-scale infestations.

If you are dealing with a larger or ongoing infestation, it may be more cost-effective to qualify for the purchase of professional-use products. ProGreen offers Rodent Management Training Courses, providing the certification required to purchase and apply professional rodenticides safely and legally. Completing the training gives you access to a wider range of highly effective professional products, making it an ideal option for farmers, grounds professionals, estate managers and those facing significant rodent pressures.

Don't let small problems become bigger ones

Many homeowners only notice rodents once cooler weather arrives and populations have already grown. By carrying out some simple preventative measures while summer is ending, you can help protect your home, garden and outbuildings throughout autumn and winter.

End-of-Summer Pest Prevention Checklist

✅ Tidy overgrown areas

✅ Remove potential food sources

✅ Keep bins securely closed

✅ Inspect sheds and garages

✅ Seal potential entry points

✅ Monitor for signs of activity

✅ Use professional rodent control products where necessary

With autumn just around the corner, now is the ideal time to take preventative action and keep unwanted pests from making themselves at home in your garden.

Frequently Asked Questions

Why do rodents become more active in autumn?
What attracts rats and mice to a garden?
How can I prevent rodents from entering my garden?
What are the signs of rodent activity?
Should I be concerned if I only see one rat or mouse?