Tea: Grows well in tropical and sub-tropical climates. Soil type: Deep and fertile, well-drained soil, rich in humus and organic matters. Climate: Warm and moist, frost-free climate throughout the year. Rainfall: Frequent showers throughout the year. States: Assam, West Bengal, Kerala, Tamil Nadu, Himachal Pradesh, Uttarakhand, Andhra Pradesh, Meghalaya and Tripura.