Herbaceous perennial in the topics, annual in temperate zones.  Intolerant of wet soils in winter.  Easy to grow, unusual and useful.  Dried root ia a ginseng-like tonic of the Ayurvedics.  Prefers full sun and fast-draining, dryish soils.  Light dependent germinator.  Sow in early spring. 

Approx 100 seeds per packet