Rabbit Health
Can Rabbits Eat Lettuce UK?
By Kaiser Khan, EditorPublished Last updated 2 min read
Quick answer
Lettuce is not ideal rabbit food. Iceberg lettuce is best avoided — low nutrition and diarrhoea risk. Darker leaves like romaine are acceptable in small amounts alongside better greens. Unlimited hay must always come first. Never let lettuce replace hay — that risks gut stasis.
Key takeaways
- Small amounts of darker lettuce varieties (romaine, lamb's lettuce) are usually fine as part of a varied green portion. Iceberg lettuce is best avoided — it is low in nutrients and can cause diarrhoea.
- Iceberg lettuce is not recommended. It contains mostly water with minimal nutritional value and can cause loose stools in rabbits. It must never replace hay.
- Safe daily greens include coriander, parsley, kale, spinach (in moderation), and romaine lettuce. Introduce new greens gradually. Unlimited hay remains the dietary foundation.
A wider perspective: animal rescue guidance and practical ways to help from the non-profit World Animal Rescue Network.
Iceberg vs darker lettuces
| Variety | Recommendation |
|---|---|
| Iceberg | Avoid — mostly water, can cause loose stools |
| Romaine / cos | Acceptable in moderation as part of greens |
| Lamb's lettuce | Fine in small amounts |
| Mixed salad bags | Check for harmful add-ins; wash thoroughly |
The RWAF and PDSA emphasise that hay comprises 85–90% of a healthy rabbit diet. Greens are a supplement, not a staple.
Safe daily greens
Rotate these alongside unlimited hay:
- Coriander and parsley
- Kale and spring greens (in moderation — oxalates)
- Broccoli leaves
- Mint and basil
- Carrot tops (not the root — high sugar)
Introduce one new green at a time over several days to monitor for gut upset.
Greens to avoid
- Iceberg lettuce as a main green
- Potatoes and rhubarb — toxic
- Avocado — toxic
- Onion, garlic, leeks — toxic
- Plants from the garden unless identified as safe — many are poisonous
How much lettuce?
A small handful of mixed greens daily for an average rabbit — with unlimited timothy or meadow hay always available. If your rabbit develops loose droppings after a new green, remove it and revert to hay.
When to call your vet
Contact your vet if your rabbit develops diarrhoea, stops eating, or produces fewer droppings after a diet change. See why is my rabbit not pooping.
Sources & further reading
This guide draws on the publicly available UK advice listed below. Follow the links for the relevant guidance or the organisation's broader care resources.
PETHEALTH+ is independent. These organisations do not sponsor, approve, or partner with this website. Editorial sources and further reading (last updated 2026-07-19).
Continue exploring
Follow the connections between guides to explore related care and conditions.
Related guides
Also see symptoms, symptom checker, and poison guide.
Frequently Asked Questions
- Can rabbits eat lettuce?
- Small amounts of darker lettuce varieties (romaine, lamb's lettuce) are usually fine as part of a varied green portion. Iceberg lettuce is best avoided — it is low in nutrients and can cause diarrhoea.
- Can rabbits eat iceberg lettuce?
- Iceberg lettuce is not recommended. It contains mostly water with minimal nutritional value and can cause loose stools in rabbits. It must never replace hay.
- What greens are best for rabbits?
- Safe daily greens include coriander, parsley, kale, spinach (in moderation), and romaine lettuce. Introduce new greens gradually. Unlimited hay remains the dietary foundation.
- Can lettuce cause gut stasis?
- Lettuce alone does not cause gut stasis, but a diet low in hay and high in watery vegetables contributes to poor gut health. Always prioritise unlimited hay.