What can guinea pigs eat? A fridge-door chart
61 foods we have checked for guinea pigs. Treats are small: the full answer for each food gives the amount.
Yes (9)
- Celery
- Coriander
- Courgette
- Cucumber
- Dandelions
- Grass
- Lettuce
- Parsley
- Peppers
Sometimes (30)
- Apples (1–2 times a week)
- Bananas (1–2 times a week)
- Basil (1–2 times a week)
- Blackberries (1–2 times a week)
- Blueberries (1–2 times a week)
- Broccoli (1–2 times a week)
- Cabbage (1–2 times a week)
- Carrots (1–2 times a week)
- Cauliflower (1–2 times a week)
- Cherries (1–2 times a week)
- Grapes (1–2 times a week)
- Green beans (1–2 times a week)
- Kale (1–2 times a week)
- Kiwi (1–2 times a week)
- Mango (now and then)
- Melon (1–2 times a week)
- Mint (1–2 times a week)
- Nectarines (now and then)
- Oranges (now and then)
- Peaches (now and then)
- Pears (1–2 times a week)
- Peas (1–2 times a week)
- Pineapple (now and then)
- Pumpkin (1–2 times a week)
- Raspberries (1–2 times a week)
- Spinach (1–2 times a week)
- Strawberries (1–2 times a week)
- Sweetcorn (now and then)
- Tomatoes (1–2 times a week)
- Watermelon (1–2 times a week)
No (22)
- Almonds
- Avocado
- Bread
- Cat food
- Cheerios
- Cheese
- Chicken
- Chocolate
- Crackers
- Eggs
- Iceberg lettuce
- Mushrooms
- Onions
- Parsnips
- Peanut butter
- Peanuts
- Popcorn
- Potatoes
- Rice
- Sweet potato
- Walnuts
- Weetabix
Guinea pig cage sizes
| Two sows | 10.5 sq ft (1 m²), e.g. 76 × 130 cm (30 × 51 in) |
|---|---|
| Two boars | 12 sq ft (1.1 m²), e.g. 183 × 61 cm (6 × 2 ft) |
| Three guinea pigs | 13 sq ft (1.2 m²), e.g. 76 × 159 cm (30 × 63 in) |
| Four guinea pigs | 16 sq ft (1.5 m²), e.g. 76 × 196 cm (30 × 77 in) |
| Height | Sides 30 cm (12 in) or more |
| Levels | Floor space counts; lofts do not |
| Floor | Solid, never wire |
Sources include ASPCA, Burgess Pet Care, Guinea Lynx, Humane World for Animals, MSD Veterinary Manual, Metropolitan Guinea Pig Rescue, PDSA, Pasadena Humane, Penny & Wild rescue, Pet Poison Helpline, PetMD, RSPCA, RSPCA Australia, SPCA New Zealand, The Vet Desk, University of Florida Small Animal Hospital, VCA Animal Hospitals, Woodgreen. Each answer and its sources: bruxlings.com/pages/what-can-guinea-pigs-eat. General guidance for healthy adult animals, checked 13 November 2026.
Free to print, share and put on your website under CC BY 4.0: please credit Bruxlings with a link.