They can also be susceptible to powdery mildew, Pythium root rot, canker and leaf spots. Boxwood leaf miners, scale insects, lesion nematodes, caterpillars and mites can be a problem; treat with organic neem oil or insecticidal spray. Cyclamen (Cyclamen spp. ), also known as Persian violet and sowbread, is a genus of more than 20 species of perennial flowering plants that are often kept indoors.The tubers and roots are the most toxic, but all parts of the plant contain the toxic component, saponins, according to the Pet Poison Helpline. If you think that your animal is ill or may have ingested a poisonous substance, contact your local veterinarian or our 24-hour emergency poison hotline directly at 1-888-426-4435. Will Rabbits Eat Boxwood Shrubs?. The leaves contain steroidal alkaloids which can cause skin irritation upon skin contact with the sap or various other symptoms if eaten. The plant is considered to have a relatively low level of toxicity. Green Beauty: Buxus microphylla var. The answer to the question of whether rabbits will turn to boxwood as a source of food is a troubling one, and the short answer is maybe. Boxwood Blight Tolerance and Leafminer Resistance by Cultivar (Table) Name Blight Tolerant The solanum-type steroid alkaloid in the boxwood are ethers that cause skin irritation with contact … japonica ‘Green Beauty’ ... Boxwood contains alkaloids that are toxic to deer and humans. See below for more information and planting alternatives. The compact cultivar grows to about two feet high, and can eventually reach a spread of five feet. While the entire plant is toxic, the leaves are especially poisonous to dogs and other small animals. Boxwood poisoning: The boxwood is an evergreen, woody, flowering shrub often used as a hedge. 3. Its pungent odor will typically keep deer at bay. Cyclamen. These plants, commonly used as hedges, contain steroid alkaloids. Boxwood blight is a serious problem in many states. The ‘Boxwood Beauty’ is one of the several dwarf cultivars of Carrisa macrocarpa (Natal Plum) that does well in the Phoenix heat.