A practical, no-nonsense look at what actually belongs on a rabbit’s plate — and what should never be there at all.

What Rabbits Actually Need to Eat

Forget the cartoon image of a rabbit gnawing on a carrot all day. In real life, carrots are closer to dessert than dinner. A healthy rabbit diet is built on four layers, roughly in order of importance: unlimited hay, a daily pile of fresh leafy greens, a measured serving of pellets, and the occasional small treat. Get those proportions right and you’ve solved most of rabbit nutrition before you’ve even thought about the details.

What makes rabbits tricky is how sensitive their digestive systems are. Their gut relies on a constant flow of fiber to keep everything moving, so sudden changes in diet — even switching vegetables too quickly — can cause real problems. Consistency matters as much as the food itself.

Hay: The Foundation of Every Meal

Hay should make up around 80% of a rabbit’s diet, and it needs to be available at all times, not just offered once a day. It does double duty: the constant chewing wears down their teeth, which never stop growing, and the fiber keeps their gut moving the way it’s supposed to.

Timothy hay or another grass hay is the standard for adult rabbits. Alfalfa hay is richer in calcium and protein, which makes it a good fit for rabbits under seven months old but too much for adults, whose kidneys and bladder can struggle with the extra calcium over time. Keep hay fresh and dry, and offer it in a few spots around your rabbit’s space — many rabbits eat more when hay is placed right next to their litter box.

Fresh Vegetables and Leafy Greens

Greens are where a lot of the vitamins and hydration in a rabbit’s diet come from. Aim for roughly a cup or two of fresh vegetables per two kilos of body weight, split across at least two or three different kinds each day.

Great everyday choices: romaine and green leaf lettuce, cilantro, basil, parsley, bok choy, arugula, dill

Good in moderation: carrot tops, celery, bell peppers, broccoli leaves, dandelion greens

Best avoided or limited: spinach and kale, which are fine occasionally but shouldn’t be a daily staple because of their oxalate content

Wash everything thoroughly and skip iceberg lettuce entirely — it offers almost no nutritional value and can upset a rabbit’s stomach.

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Pellets: How Much and What Kind

Pellets exist to fill in nutritional gaps, not to be the main event. Look for plain, high-fiber timothy-based pellets — no dried fruit, seeds, or colorful pieces mixed in, since those “muesli-style” mixes let rabbits pick out the sugary bits and skip the rest.

Body weight Daily pellets

Under 2 kg ~⅛ cup

2–3.5 kg ~¼ cup

3.5–5 kg ~½ cup

Over 5 kg ~¾ cup

These are starting points, not fixed rules — adjust based on your rabbit’s weight, age, and activity level, and check in with a vet if you’re unsure.

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Fruits and Treats (Sparingly)

Fruit is basically candy to a rabbit — worth having occasionally, not worth building a habit around. A small piece of apple, banana, strawberry, or melon a couple of times a week is plenty. Too much sugar can throw off the delicate bacterial balance in a rabbit’s gut and lead to digestive upset.

Store-bought rabbit treats, especially ones with seeds, nuts, or yogurt drops, are worth skipping altogether. They’re marketed as rabbit food but are often closer to junk food than anything a rabbit’s body is built to handle well.

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Water: Easy to Overlook, Impossible to Skip

With that much dry hay in their diet, rabbits need steady access to clean water — more than people usually expect. A heavy, wide bowl tends to work better than a hanging bottle, since it’s closer to how rabbits naturally drink and some rabbits never quite get the hang of a sipper tube.

Refresh the water daily, and keep an eye on how much your rabbit is drinking. A sudden drop in water intake is often one of the first quiet signs that something else is wrong.

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Foods That Are Dangerous or Toxic

Never feed: chocolate, avocado, onions, garlic, rhubarb, raw beans, bread, pasta, crackers, cereal, or anything high in sugar or starch. These can cause anything from mild digestive upset to serious, life-threatening reactions.

As a general rule, if it’s processed, starchy, or something you’d find in a human snack aisle, it doesn’t belong anywhere near a rabbit’s bowl — their gut simply isn’t built to handle it.

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Feeding Baby Rabbits (Kits)

Baby rabbits nurse from their mother for the first three to four weeks, after which they gradually start nibbling hay and pellets alongside her milk. By eight weeks, most kits are weaned and eating solid food on their own.

Young rabbits under seven months benefit from unlimited alfalfa hay and pellets, since they’re growing fast and need the extra protein and calcium. Fresh vegetables should be introduced slowly and in small amounts starting around three months old, watching closely for any digestive upset before adding more.

Feeding Senior Rabbits

Older rabbits — generally six years and up — often become less active, which means their calorie needs drop even if their appetite doesn’t. Keep hay unlimited as always, but watch pellet portions a little more closely to avoid unwanted weight gain.

Some seniors develop dental issues or arthritis that make eating harder. Softer greens, chopped smaller if needed, can help, and it’s worth checking in with a vet if you notice your older rabbit eating less or losing weight, since that’s often the first visible sign of an underlying problem.

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How Much Food Is Enough?

Weight is the best day-to-day indicator that a rabbit’s diet is working. A healthy rabbit should have a firm, rounded body you can feel a slight padding over, without ribs or spine jutting out. Weigh your rabbit every couple of weeks using a kitchen scale, and track it over time rather than reacting to any single number.

Unlimited hay is never something to ration, but pellets and treats are where portion control actually matters. If you’re ever unsure whether your rabbit is under or overweight, a vet can check with a simple hands-on exam in a few minutes.

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Introducing New Foods Safely

Add one new vegetable at a time, in a small amount, and wait 24 to 48 hours before introducing another. This makes it far easier to spot the cause if you notice soft stool, gas, or a drop in appetite.

The same caution applies when switching hay brands or pellet formulas — mix the new food in gradually over a week or two rather than swapping all at once. Rabbit gut bacteria adjust slowly, and a sudden change is one of the more common causes of digestive trouble.

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How Diet Affects Dental Health

A rabbit’s teeth grow continuously throughout its life, and diet is the main thing keeping them in check. The chewing motion needed to break down hay wears teeth down naturally; a diet too heavy in soft pellets and treats doesn’t do the same job, which can lead to painfully overgrown teeth over time.

If you notice drooling, dropped food, or a sudden reluctance to eat, it’s worth a vet visit to check for dental problems — they’re one of the most common, and most preventable, health issues tied directly to diet.

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A Sample Daily Feeding Routine

Morning: fresh hay refill, measured pellets, clean water check

Midday: a mix of two or three fresh leafy greens

Evening: more hay, a small treat a few times a week, water refreshed

Ongoing: hay available at all times, day and night

Rabbits do well with routine — feeding at consistent times each day not only keeps their digestion steady but also gives you a natural moment to notice if something seems off with their appetite or behavior.