Description Bryophyllum pinnatum “Wonder of the World”, also known as the life plant, miracle leaf, medicinal plant, cathedral bells, and Goethe plant. A popular house/indoor plant, as it is susceptible to colder temperate and known to be classified as an invasive plant. Scientific Name: Bryophyllum pinnatum Family: Crassulaceae Genus: Kalanchoe Adans. Hardy zones: 10 – 11, Indoor potted, succulents and rock gardens Mature Height: 3-4 feet tall, Leaflets: narrowly oval in shape with rounded tips, with a reddish color. Fertilizer: well-balance liquid or granular during the growing seasons. Bloom Time: mature plant in its tropical and subtropical areas can flower most of the year. Flower: drooping bell-shaped, greenish-yellow to pinkish-red in color Exposure: full sun to partial shade Soil: sandy, well-drained soil Toxicity: parts of this plant have been found toxic to grazing animals if ingested.