These plants have high levels of a compound called amygdalin, which breaks down to produce cyanide. Most are shrubs 1 to 3 meters tall, but some are small trees, and others lianas reaching up to 30 m (98 ft) by climbing up trees. It’s your job to be discerning and research every new food you give them to make sure it’s not poisonous. These leaves contain very high levels of oxylic acid that can be detrimental to a rabbit’s health. Other irises, however, are not so highly toxic. Hydrangea macrophylla ‘Kirsten’ has rich green foliage and is long flowering, from early summer through to autumn. Some of the more commonly mentioned plants include: … In severe cases even a small amount can cause their heart to slow down and eventually stop completely. This is not a comprehensive list. However, I would avoid giving a rabbit the flowers of any plant that is poisonous for rabbits, just to be on the safe side. If you believe that your rabbit has ingested a plant or other substance that is poisonous, you should immediately call your vet for instructions. You can’t expect your rabbit to turn their nose up at everything that will be harmful to them, since many times they will eat whatever is in front of them even if it is poisonous. Hydrangea. 3. This is great, grazing on grass is good for your rabbit's digestive system and to keep their teeth in check. Rabbits breathe much faster than humans do. This includes all parts of the yellow iris plant: the leaves, flower, roots, and stem. Poisonous Plant: Hydrangea (Hydrangea Macrophylla) Who would have thought that hydrangeas are poisonous plants? Marigolds (Calendula officinalis) are annuals in all U.S. Department of Agriculture plant hardiness zones. This is an attempt at a comprehensive list of known toxic and poisonous plants to rabbits with notes on its toxicity with regards to rabbits. Unfortunately, they cant eat them at all. They do not have the ability to vomit, which means rabbits don’t have an easy way to get rid of ingested toxins. Other parts of the plant can also be an irritant for rabbits, but are less likely to have a toxic effect. Deer eat the lilies and take a few flowers off the hydrangea. Hydrangea. It’s also important to remember that this includes all parts of an onion plant, including the leaves, roots and flowers. Save my name, email, and website in this browser for the next time I comment. Hydrangea macrophylla ‘Kirsten’ The large, rich crimson flower blooms make such a statement in a shaded part of the garden. They most likely will cause digestive problems or inflammation in a rabbit’s mouth. Cannabis. List of Flowers Poisonous to Rabbits. If a rabbit ingests hemlock, even a small amount, the symptoms will quickly set in. They will gladly go after anything they can get their teeth on. Chrysanthemum. The leaves of a rhubarb plant are poisonous in large quantities. They may also experience a lack of energy, twitching or seizures. Hydrangeas are poisonous to rabbits and will harm them if they are eaten. The good news is that most rabbits, even domestic rabbits, will instinctively avoid onion plants because of their strong smell. The poisonous compound found in mums is high levels of pyrethrins. While we discuss here, the foods, plants or weeds to avoid, it is by no means a comprehensive list and anything not mentioned here does not mean it is not harmful to your rabbit. This is a substance that is poisonous to most mammals. Small quantities of potato or a potato plant, will likely not be deadly to a rabbit, however large quantities can still be fatal. The Invincibelle™ Spirit Mountain Hydrangea is the first-ever pink-flowered 'Annabelle' hydrangea. Is hydrangea poisonous? They can be either deciduous or evergreen, though the widely cultivated temperate species are all deciduous. 20 Plants that are Poisonous to Rabbits. Foxglove plants are highly toxic to rabbits. Lilies. Rabbits that have been poisoned by rhubarb usually recover. Even if your rabbit only eats a small amount, it’s best to get advice from your vet because these plants are so highly toxic to rabbits. It is another plant that contains alkaloid compounds that are dangerous when consumed in large quantities. There are some flowers that are poisonous to rabbits or that aren’t safe for bunnies to eat. Getting your rabbit spayed (female) or neutered (male) is a responsible decision. Amy Pratt is a lifelong rabbit owner who has been specializing with rabbits at the Humane Rescue Alliance. Even honey that is made from these flowers can be toxic for rabbits. In mild cases a rabbit may experience difficulty breathing, an inflamed stomach, or shaking. Unfortunately hemlock is easily confused with cow parsley, which rabbits enjoy very much. So can rabbits eat Hydrangeas at all? You still want to be careful about where these plants are grown though. This includes plants such as daffodils, tulips, bluebells, orchids, and many more. This includes all varieties of regular onion, in addition to greens onions, shallots, and even garlic. Even a dried poppy plant can be highly poisonous to a rabbit. “Plant Toxicity.” https://www.harcourt-brown.co.uk/articles/free-food-for-rabbits/lant-toxicity-the-problem-with-lists. Flowers with bulbs are all potentially poisonous for rabbits. Although hydrangeas are, without a doubt, beautiful and one of the most sought-after flowering bushes, there’s a caveat here. Wild rabbits (and other animals) will often stay away from hydrangeas, but our domestic rabbits tend to be less discerning. This includes the flower, leaves, stem, and roots. Technically yes, but most experts agree that the amount of the plant that would have to be consumed would be very large — and thus quite unlikely. 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