Food safety
Can Rabbits Eat Cucumbers? Yes, a Watery Side Dish
Yes, rabbits can eat cucumber, and the House Rabbit Society lists both the fruit and the leaves as safe. Cucumber is very high in water and low in sugar, which makes it a refreshing side dish rather than a treat to worry about. Because it is so watery, though, it does not carry much nutrition, and a large helping can soften droppings. A few thin slices alongside leafy greens, with hay always available, is the right way to serve it.
By Matt GarnettUpdated November 13, 20264 min read3 sources
Why cucumber is safe for rabbits
The House Rabbit Society includes cucumber among its non-leafy vegetables and notes that it is high in water content. Cucumber leaves appear on its list of safe leafy greens as well. With little sugar and nothing on any rabbit avoid list, cucumber is one of the gentler vegetables you can offer.
It is still a small part of the diet. The House Rabbit Society puts hay at about 80% of what a rabbit eats and fresh vegetables at about 10%. VCA Animal Hospitals says high-quality grass hay such as timothy, orchard or brome should be the bulk of a rabbit's diet.
Too much water, too little fiber
Cucumber's high water content is a plus in small amounts but a drawback in large ones. A rabbit that fills up on watery vegetables eats less hay, and the Merck Veterinary Manual links gastrointestinal stasis to too little dietary fiber. A sudden large helping can also loosen droppings.
The House Rabbit Society makes a similar point about iceberg lettuce, which it avoids because it is low in nutrients and high in water and large amounts can cause diarrhea. Cucumber is more useful than iceberg, but the same logic about portion size applies.
How to prepare cucumber
Wash the cucumber well, especially if it has a waxed skin, and slice it into thin rounds or half-moons. The peel and soft seeds can stay. Offer it fresh and slightly wet; the House Rabbit Society suggests serving vegetables wet to help increase fluid intake.
If you grow cucumbers, a few washed leaves can join the greens. Never serve pickles, which are preserved in salty brine, and throw out any cucumber that is slimy or moldy. The House Rabbit Society says never to serve spoiled vegetables.
Hiding a small piece of a safe food around a small animal playpen lets a rabbit forage, and an outdoor rabbit hutch needs the same daily check for uneaten fresh food.
How much cucumber can a rabbit have?
The House Rabbit Society suggests leafy greens make up about three quarters of the daily fresh vegetables and non-leafy vegetables like cucumber the remaining quarter. For an average-size adult rabbit, two or three thin slices is a reasonable portion, with a dwarf rabbit getting one or two.
Cucumber can rotate through the week with other non-leafy vegetables such as broccoli, celery and bell pepper. Keep hay unlimited and fresh water available at all times, whatever vegetables are on the menu.
Cucumber for baby rabbits
The House Rabbit Society advises starting vegetables only after about 12 weeks of age, introducing one at a time in very small amounts, under half an ounce, and watching the droppings for soft stools or gas.
Cucumber is a reasonable early vegetable because it is mild, but start with a single thin slice cut into small pieces. Wait 24 hours before adding anything else new, and stop if the droppings soften, as the Society recommends.
Signs of digestive trouble and when to call a vet
Watch for soft droppings or gas in the day after a new vegetable, and drop it if they appear. Soft stools after a big helping of cucumber usually settle once the rabbit is back on hay alone.
The Merck Veterinary Manual says to seek veterinary care promptly if a rabbit stops eating or shows signs of digestive upset, including diarrhea or fewer droppings, and warns that GI stasis can become life-threatening without treatment. A rabbit that sits hunched, refuses food or has stopped passing droppings needs a vet who treats rabbits the same day.
Other vegetables to offer
VCA lists romaine lettuce, bok choy, mustard greens, carrot tops, cilantro, watercress, basil, kohlrabi, beet greens and broccoli among good vegetables for rabbits. Mixing several each day gives more nutrition than cucumber alone.
VCA advises avoiding potatoes, carrots and iceberg or head lettuce, and the House Rabbit Society adds chocolate, onions, garlic and raw dried beans to the list of foods to keep away from rabbits.
This page is general information, not veterinary advice, and it cannot replace an examination by the vet who knows your pet.
Common questions
Can rabbits eat cucumber skin?
Yes. The peel is safe for rabbits. Wash it well first, especially on waxed store-bought cucumbers, and slice it thinly along with the flesh before adding it to the greens.
Can rabbits eat cucumber seeds?
Yes. The soft seeds inside a fresh cucumber are eaten with the flesh. There is no need to scoop them out before serving thin slices to your rabbit.
Can rabbits eat cucumber leaves?
Yes. The House Rabbit Society lists cucumber leaves among safe leafy greens. Wash them well and add a few to the daily mix of greens if you grow your own cucumbers.
Can rabbits eat cucumber every day?
A couple of thin slices can be part of the daily vegetables, but rotate it with other vegetables so your rabbit gets more nutrition than a watery cucumber provides.
Is cucumber good for rabbits in hot weather?
Chilled cucumber adds a little moisture, but it does not replace fresh water, shade and a cool resting spot, which matter far more for a rabbit in the heat.
Sources we checked
This guide is general information, not veterinary advice. If your pet is unwell or injured, contact your veterinarian.
