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Yes, guinea pigs can eat green beans, raw and in small amounts. Burgess lists green beans among safe vegetables, and Pasadena Humane includes them on its guinea pig safe list. Penny & Wild rescue counts them as a non-leafy vegetable and suggests about 1 tablespoon of non-leafy vegetables a day for an adult. Give a few chopped raw beans a few times a week.
| Safe? | Yes, raw and in moderation |
|---|---|
| How much | About a tablespoon, chopped, within the day’s vegetables |
| How often | A few times a week, rotated |
| Best served | Raw, fresh, washed, chopped |
| Watch out for | Cooked, tinned or buttered beans; wind or soft droppings |
Are green beans good for guinea pigs?
Yes, as one of their vegetables. Green beans (French beans, string beans) are on the safe lists of Burgess, Pasadena Humane and Penny & Wild rescue. Guinea pigs cannot make their own vitamin C, so PDSA and Burgess say they need it from their food every day. Green beans add a little, alongside leafy greens and peppers. Our guide to vitamin C for guinea pigs covers the best sources.
How many green beans can a guinea pig eat?
PDSA recommends about one cup of fresh vegetables, greens and forage per guinea pig a day, and Burgess suggests about a teacup. Most of that should be leafy greens. Penny & Wild puts green beans in the non-leafy group and suggests about 1 tablespoon of non-leafy vegetables per adult a day. So a tablespoon of chopped raw beans, a few times a week, rotated with other non-leafy vegetables, is plenty.
Raw, cooked, frozen and tinned
| Form | OK? | Notes |
|---|---|---|
| Raw green beans | Yes | The form on the safe lists |
| Runner beans, raw, young | Likely fine | A close relative; chop small and start with a little |
| Cooked or frozen vegetables | No | Pasadena Humane lists frozen or cooked vegetables among foods not to feed |
| Tinned green beans | No | Cooked, and often salted |
| Dried beans, baked beans | No | A different food entirely |
How to give green beans
- Wash and top and tail. Rinse the beans and snip off the ends.
- Chop them. Short pieces are easier to share between a pair.
- Start small. Introduce new foods gradually, as SPCA New Zealand advises, since sudden changes can upset their stomachs.
- Watch droppings. If droppings go soft or your guinea pig seems bloated, cut back.
Serve green beans with a slice of bell pepper and a handful of leafy greens. Peppers are one of the richest everyday sources of vitamin C on the guinea pig lists.
Who should go easy?
Guinea pigs new to fresh food, young pigs and any with a sensitive stomach should start with a piece or two. If your guinea pig stops eating or stops passing droppings, ring your vet the same day.
Other vegetables to rotate
Try peas, peppers and celery. See our guinea pig food list, the guinea pig diet guide and the guinea pig care hub.
Questions owners ask
Can guinea pigs eat raw green beans?
Yes. Raw is the form on the Burgess, Pasadena Humane and Penny & Wild lists. Wash and chop them first.
Can guinea pigs eat cooked green beans?
No. Pasadena Humane lists frozen or cooked vegetables among foods not to feed guinea pigs. Stick to raw.
Can guinea pigs eat green beans every day?
It is better to rotate them a few times a week with other non-leafy vegetables, keeping leafy greens as the main daily fresh food.
Can guinea pigs eat green bean leaves or plants?
We found no guinea pig welfare source covering bean leaves or plants, so we would leave them out and stick to the beans.
