Perennial herb, sparsely clumped or solitary, erect, 90-120 cm high. It likes a cold, humid and warm climate. It grows well in a fertile, humid, organic-rich fine loam soil with a pH of 4.7-8.5. Not tolerant to high temperature; light-loving, tolerant to half shade, sensitive to fertilizer, strong stress resistance, acid resistance, barrenness resistance, and disease resistance.
