Ginger is an aromatic rhizome. It grow both in tropical and sub-tropical climate. It is grown in India, Jamaica, Nigeria, Sierra, Leone, Brazil, China, Japan and Indonesia.

General

It is herbaceous, perennial belong to Zingiberaceae. It is propagated through rhizomes, the rhizomes put forth erect, leafy stem 30-90 cm long narrow, lanceolate with a prominent mid rib. When plants are about 9 month the green leaves turn yellow.

It is quick growing reedy perennial with narrow, bright green, glossy leaves, yup to 25 cm long, yellowish flowers grown for its rhizomatons. The plant height 90 x  40 cm. The rhizomes buds are planted about 15 - 20 cm apart. 2 - 3 cm below the surface in a fertile, well drained soil mixed with compost. The plant needs a Sunny sheltered position with moist soil, the stalk are well developed then watered heavily. Rhizomes harvested in 9-10 ^th months. Mostly attacks by nematodes and Fusarium.

The pungent odors and flavors are due to compound name  methylallyl disulphide present in the ginger.