Tea is a major cash crop in Kenya and plays a key role in foreign exchange earnings. It mainly provides income for rural households and supports millions of livelihoods across the country. In addition, tea contributes to export revenue and rural development. Kenya mainly produces black tea, although small amounts of green, white, yellow, and purple tea are also produced for niche markets.

Tea grows widely in the Kenyan highlands on both sides of the Great Rift Valley. Key producing counties include Kericho, Nandi, Nyeri, Kirinyaga, Kiambu, and Bomet. Furthermore, Kenya remains one of the world’s leading tea exporters due to its strong production systems and favourable climate.

Varieties

Kenya grows several improved tea varieties developed mainly by the Tea Research Foundation of Kenya. These varieties include high-yielding clonal types that perform well under different ecological zones.

For example, popular clones are selected for fast growth, high yield, and resistance to pests and diseases. In addition, varieties differ in drought tolerance and leaf quality. Smallholder farmers often use these improved clones because they increase productivity. Large estates also adopt them to maintain consistent quality for export markets.

Climate & Soil

Tea thrives in cool, wet, and humid highland conditions. In Kenya, it grows best at altitudes of 1,500 to 2,700 metres above sea level. Moreover, optimal temperatures range between 10°C and 30°C.

Annual rainfall of 1,200 mm to 1,400 mm supports continuous leaf growth. Well-distributed rainfall is especially important for year-round production. Additionally, tea prefers deep, fertile, volcanic red soils with good drainage. Slightly acidic soils with a pH of about 4.5 to 5.6 support strong root development.

Propagation & Planting

Farmers mainly propagate tea through vegetative cuttings. This method ensures uniformity and preserves desirable traits. Nurseries raise cuttings under controlled conditions before transplanting.

Planting spacing varies, but farmers commonly use 1.2 m by 0.75 m or similar spacing depending on management intensity. Furthermore, proper land preparation improves establishment success. Farmers dig planting holes and enrich them with organic matter. After planting, young tea plants require shade management and regular weeding to reduce competition.

Field Management & Harvesting

Good tea management includes pruning, mulching, fertilization, and pest control. Pruning helps maintain bush shape and stimulates new shoot growth. Moreover, mulching conserves soil moisture and reduces weed pressure during dry periods.

Farmers apply fertilizers regularly to replenish soil nutrients. In addition, they use selective plucking to harvest tender shoots. Harvesting usually starts after 2–3 years of establishment and continues throughout the year.

Most Kenyan tea farmers practice hand plucking to maintain quality. After harvesting, they transport green leaf quickly to factories to avoid quality loss. For example, the Kenya Tea Development Agency supports smallholder farmers in collection and processing. Similarly, processing factories ensure fast withering, rolling, oxidation, and drying.

Nutritional Value

Tea contains antioxidants such as polyphenols, which support health by reducing oxidative stress. It also contains small amounts of caffeine, which improves alertness and concentration.

Moreover, tea provides no significant calories, making it a healthy beverage option. It also contains trace minerals such as potassium and manganese. Although tea is not consumed as a nutrient-dense food, it contributes to hydration and overall wellness.

Uses & Market Potential

Tea is mainly consumed as a beverage in domestic and international markets. In addition, it is processed into black tea, green tea, and specialty teas for export. Kenya exports most of its tea through global auction systems such as the one in Mombasa.

Furthermore, tea has strong value addition potential through packaging, branding, and specialty tea production. The export market remains highly profitable due to strong demand from Europe, Asia, and the Middle East. In addition, Kenya benefits from bulk blending markets where its tea forms a key component of global tea blends.

Overall, tea remains one of Kenya’s most important agricultural export commodities with strong growth potential in value-added products.