Choose a shaded area with rich, well-drained soil.
Add compost to the soil to improve texture and fertility.
Get a healthy rhizome or division from a reputable nursery or garden center.
Plant the rhizomes just below the soil surface, with the buds facing up.
Plant the rhizomes or divisions 6 to 12 inches apart for best growth.
Keep the soil constantly moist, avoiding waterlogging.
Apply organic mulch to conserve moisture and suppress weeds.
Use balanced, organic fertilizer in spring for good growth.
Keep weeding the area around its plants from time to time to keep it free from weeds.
Harvest the roots of the plants in late summer or early fall when they are three years old.