Botanical name: Cymbopogon citratus. Category: Herbs. Widely cultivated or nursery-available in suitable parts of India; heat, rainfall and winter tolerance vary by species and region. Best season: Spring–autumn. Mature/retail size: 60–120 cm. Light: Full sun. Water: Regular. Landscape use: herb beds, borders, tea herb. Care/notes: Clump-forming; trim old leaves.