Dieffenbachia helps to clean the air. Another name for this plant is a dumb cane. This gorgeous plant has leaved which sport a mottled patterns. They prefer low and indiret light with moist soil that is well-drained. The plant can reach up to 4 ft tall. The plant is toxic to children and pets and may cause irritation of the mouth, difficulty swallowing and excessive drooling in pets. The plant must be rotated weekly.