A butterbur plant is a perennial plant that is ingenious to Asia. It is used to treat a variety of ailments, including spasms, fever and asthma. Butterbur plants bloom in the spring, and they grow pale pink blossoms.
Butterbur plants require moist soil and an area that is partially or lightly shaded. The plant should be watered every two to three weeks to keep the soil moist. Butterbur plants require extra space to grow, and the leaves can reach 2 feet wide. The plant requires a pH level of anywhere from 5.6 to 7.8 when planting, and fertilizer should be applied every 25 days in the summer.
Medical practitioners take butterbur extracts from the bulbs, leaves and roots. The plant also contains pyrrolizidine alkaloids, which can cause liver damage and other complications.