Watch for symptoms. Melia Bryony Robinia Your vet may also administer medication like sucralfate, which protects the damaged areas of the stomach. Poisonous characteristics: This plant contains insoluble calcium oxalate crystals, which can irritate and penetrate tissue in the mouth and gastrointestinal tract. Lupinus Do you know if Leucadendrons are toxic to cats if chewed on? Although it will not kill your cats, the effects will vary depending on how much of the plant is consumed. Plants listed as either non-toxic, or potentially toxic with mild GI upset as their symptoms are not expected to be life-threatening to your pets. Euphorbia leucodendron (Cat Tails Euphorbia) An interesting spineless succulent shrub that grows to 4 to 6 feet tall but can ultimately reach to 12 feet. Hens and chickens are low growers that can easily spread (especially outdoors), since self-propagation creates mat-like formations over time. Unfortunately, this means philodendrons should not be kept near cats. Cat tails euphorbia will tolerate light shade, though it will be more compact and manageable in full sun. Nightshade, Deadly (also seeAtropa) Its natural for your cat to be interested in your houseplants, and unique foliage can pique their interest even more. Poisoning in cats is therefore generally rare. In severe cases, the upper airway may swell and make breathing difficult. Rinsing the mouth with milk or water is a veterinary treatment for insoluble calcium oxalate-containing plants like the philodendron. They provide cat owners, veterinary professionals and those who live and work with cats the resources, support, and advice they need to better care for cats. Contact with the leaves, stems or sap of certain plants can cause rashes and hypersensitivity to sunlight resulting in sunburn. Kalanchoe If your cat is having trouble swallowing, choking, or pawing at his or her mouth, its time to take him or her to the vet right away. What to do if your cat eats a toxic plant, 22. Agrostemma githago The stems are tipped in summer with many 1/2 inch long green leaves and are dotted with brown marks where the leaves were previously attached. Identifying features: Bright yellow, star-shaped flowers with a trumpet-shaped tube protruding from the center.