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Yes, guinea pigs can eat dandelions. Clean, unsprayed dandelion leaves are a safe forage food that Burgess and Woodgreen both recommend, and they are rich in vitamin C. They are also high in calcium, so give a few leaves two or three times a week rather than a big pile every day, and only pick them from places you trust.
| Safe? | Yes, leaves especially |
| How much | 3 or 4 leaves per guinea pig |
| How often | 2 or 3 times a week |
| Best served | Fresh, washed, from an unsprayed patch |
| Watch out for | Weed killer, dog or cat mess, too much calcium |
Are dandelions good for guinea pigs?
Yes. Burgess names dandelion leaves first among the wild plants you can forage for guinea pigs, alongside plantain and cow parsley. Woodgreen includes dandelion in its list of safe forage plants, and Guinea Lynx says clean, pesticide-free dandelion greens will be appreciated.
The leaves have about 35 mg of vitamin C per 100 g (3.5 oz) and almost no sugar, worked out from the Guinea Lynx food chart. That is a useful boost for an animal that needs 10 to 50 mg of vitamin C a day and cannot make its own. The catch is calcium: around 190 mg per 100 g, with more than twice as much calcium as phosphorus. Guinea Lynx notes that guinea pigs prone to bladder stones may benefit from lower-calcium food, which is why we'd keep dandelions to a few times a week.
How many dandelion leaves can a guinea pig eat?
Three or four medium leaves per guinea pig, two or three times a week, as part of about one cup (a teacup-sized handful) of fresh greens a day. On dandelion days, choose low-calcium partners such as bell pepper or cucumber rather than kale or spinach, which the RSPCA lists as greens to limit because of their calcium.
How to pick and prepare dandelions
- Choose a safe patch. Pick only where no weed killer or pesticide is used. Woodgreen advises avoiding roadsides and places where dogs or cats toilet.
- Be sure it is a dandelion. Look for the single yellow flower on a hollow stalk and the toothed leaves in a flat rosette. If you are not certain, leave it.
- Wash the leaves. Rinse well in cold water and shake dry.
- Introduce it slowly. Start with one leaf and build up gradually, as the PDSA advises for any new food.
- Serve it fresh. Wilted leaves lose vitamin C quickly, so pick on the day.
Leaves, flowers, stalks and roots
| Part | Okay? | Notes |
|---|---|---|
| Leaves | Yes | The part our sources recommend |
| Flowers | Now and then | Not named by our sources, so one or two as an extra |
| Stalks | Small amounts | Milky sap; fine with the leaves, not by the bunch |
| Roots | We'd skip them | Not covered by our sources and hard to clean |
| Dried leaf | Yes, as a treat | Less vitamin C than fresh |
Who should go easy on dandelions?
Guinea pigs with a history of bladder stones or sludgy, gritty urine should have little or none, and it is worth asking your vet about their diet. Babies can try a small piece once weaned.
Other good greens to rotate
Fresh grass pairs naturally with dandelions on a grazing day. Our guinea pig vitamin C guide lists the strongest sources, and what can guinea pigs eat covers the rest. The guinea pig diet guide and guinea pig care guide pull it all together.
Dandelion questions
Can guinea pigs eat dandelion flowers?
Our sources name the leaves rather than the flowers, so we'd treat the yellow heads as an occasional extra: one or two flowers now and then, from the same clean, unsprayed patch. Most guinea pigs enjoy them, but the leaves are the part with the proven place in the diet.
Can guinea pigs eat dandelion roots?
We'd leave them out. None of the welfare or vet sources we use list dandelion roots as a guinea pig food, and roots come with soil that is hard to clean off. The leaves give your guinea pig everything good about the plant without the doubt.
Can guinea pigs eat dandelions every day?
The PDSA says foraged foods can be part of the fresh mix every day, so a leaf on some days is fine. Because dandelion is high in calcium, we'd keep it to two or three times a week and skip other high-calcium greens such as kale on the same day.
Can I buy dandelion leaves for guinea pigs?
Yes. Dried dandelion leaf is sold as a forage treat, and some greengrocers sell fresh leaves in spring. Dried leaves have lost much of their vitamin C, so treat them as a tasty fibre snack rather than a vitamin source, and pick a pack with nothing else added.
