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Each type of vegetable will give your bunny different nutrients, ensure she eats a variety of veggies, and will allow her to practice different chewing motions. Your bunny’s teeth are constantly growing, so helping her work her teeth will help with grinding. Good vegetables for your bunny include:  Collard greens (high in vitamin A) Beet greens (the tops, high in vitamin A) Lettuce: Romaine, Red or Green leaf (no iceberg or light colored leaf) Spinach Parsley Basil Mint Bok Choy Dandelion leaves Mustard greens Pea pods (just the pods) Brussels sprouts Swiss chard Broccoli (the leaves and stems) Cilantro Dill The green part of carrots Celery leaves Watercress Some vegetables can be harmful if your bunny eats too much over a short period of time, or if she develops a build-up of certain nutrients in her body. Vegetables like kale, parsley, mustard greens and spinach should be fed sparingly to your bunny as they are high in oxalates and goitrogens. Vegetables such as eggplants, potatoes, and tomato plant leaves are toxic to rabbits and should not be fed to them under any circumstances. The image of a bunny munching on a pile of carrots is in fact an unhealthy one, as carrots are high in sugar and oxalate, the later can encourage bladder stone formation. Carrots should only be used as treats for your bunny.  Give your bunny a ½ inch of carrot to chew no more than once every other day to prevent a build-up of sugar in her diet. Bunnies also enjoy sugar and are prone to eating sugary foods over healthy ones.  Fruits are also high in natural sugar and sugary fruits like bananas and grapes should only be given to your bunny as occasional treats. Limit your bunny’s fruit consumption to one to two tablespoons per 5 lbs of bunny weight and go for high fiber fruits like apples, blueberries, oranges (no peel), papaya, and pineapple.
Select at least three types of vegetables per feeding, including one high in vitamin A. Avoid overfeeding your bunny certain vegetables. Use carrots and fruits as treats.