Nine autumn hazards for cats (and how to avoid them)

Learn how to keep your cat happy and healthy throughout the autumn with our guide to dodging toxic mushrooms, frightening fireworks, and more seasonal perils.

Photo of a cat surrounded by pumpkins for an article on autumn hazards for cats.

Overview

With a greater risk of parasites, new hazards in the garden, and a few noisy celebrations, autumn brings more than just a change of weather for our cats. By knowing what to look out for, you can make simple changes that keep your cat safe, healthy, and happily enjoying the season.

1. Fallen leaves and mould

2. Slug and snail pellets

3. Halloween hazards (decorations, sweets, pumpkins, candles)

4. Wild mushrooms

5. Bonfire Night and fireworks

6. Rodenticides (rat poison)

7. Seasonal plants (acorns, conkers, chrysanthemums, lilies)

8. Parasites (fleas, ticks, and mites)

9. Cold, dark nights

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Medically reviewed by Lizzie Youens, BSc(Hons) BVSc MRCVS

Published on 09/09/2025 • Reviewed on 09/09/2025