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Rabbits › Food Safety › Romaine Lettuce

Can Rabbits Eat Romaine Lettuce? Yes — Within the Rules

✓ Verdict verifiedSources: House Rabbit Society · House Rabbit SocietyVerified: Oct 18, 2026
✅

Verdict: SAFE — within the limits below

Yes — dark leafy lettuce like romaine is exactly the kind of green HRS recommends.

This page is educational and not a substitute for veterinary advice. If your rabbit seems unwell after eating anything, call your vet — or the ASPCA Poison Control hotline (888) 426-4435.

Is romaine lettuce good for rabbits?

A rabbit’s diet is a pyramid with hay at the base: roughly 80% grass hay, 10–15% leafy greens, and a small daily pellet portion (House Rabbit Society model). Anything outside that pyramid is a treat — and sugar is the enemy of the gut flora that keeps a rabbit alive.

The lettuce ban is about iceberg specifically. Dark leafy greens should be 10–15% of the diet, and romaine is a staple salad green: high fiber-to-sugar ratio, high water, well tolerated.

How much romaine lettuce can a rabbit have?

Part of the daily greens: about 1 packed cup of mixed greens per 2 lb of body weight.

How to serve it

Rotate at least 3 greens daily — variety spreads the nutrient and mineral load.

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Can rabbits eat romaine lettuce?

Yes — dark leafy lettuce like romaine is exactly the kind of green HRS recommends.

How much romaine lettuce can a rabbit have?

Part of the daily greens: about 1 packed cup of mixed greens per 2 lb of body weight.

What happens if a rabbit eats too much romaine lettuce?

The lettuce ban is about iceberg specifically. Dark leafy greens should be 10–15% of the diet, and romaine is a staple salad green: high fiber-to-sugar ratio, high water, well tolerated. Overfeeding sugar- or starch-heavy food is the classic route to GI stasis — the most common rabbit emergency.

Sources & verification (three-field discipline)