The Irish potato is a staple food crop in Kenya it is mainly grown by small scale farmers especially in high altitudes. Such areas include: Nyandarua, Embu, Meru, Nakuru, Molo, Kericho, Nandi, Bomet, Wundanyi in Taita hills, Bungoma, Mt. Elgon, and Kisii.


Most commonly known varieties grown by Kenya farmers at different potential areas:

  • Kerrs’ Pink (Meru), Annet for low potential areas (Below 1500m)
  • Roslin Eburu (B53), Romano, Desiree, Dutch robin for medium potential area (1500- 2300m)
  • Tigoni, Asante, Kenya Baraka, Kenya Mpya, Kenya Karibu for high potential areas (Above 2300m)

SWEET POTATOES (Ipomoea batatas)

Sweet Potato is a perennial vine adaptable to different agro-ecological zones. It is widely grown on a small scale mainly in subsistence farming. Sweet potato is used as food, boiled or roasted and eaten either alone or with other foods such as milk, porridge, soups or grains. It can be grown as a cover crop to reduce soil erosion.


KSP 20, Kemb 10, Kemb 23, Muibai 22/77, 292-H-12, 56682-03, 91-218,Jayalo, K 117, KSP0047, KSP0072, KSP0084, KSP0154, mtwapa 8,Mugande, Mwavuli, SPK004 (orange fleshed), SPK 013 and Wanjugu

CASSAVA (Manihot escullenta)

Cassava is a perennial shrub. It is grown for its enlarged starch- filled roots (tubers). The tubers can be processed into flour or cut into pieces to be eaten raw or boiled. The slices can also be roasted or deep fried as chips and crisps. The leaves of cassava can be eaten and contain a high level of vitamin A.


A number of varieties both local and improved varieties exist. One criterion for the selection of the variety is the palatability.

The toxic matter content of the tubers varies but few’ varieties in Kenya contain dangerous levels. Different types are found in different regions of the country they are Kaleso, Guso, KME 1, KME 62, Ex-Ndovu, Tereka, Serere, Adhiambo CKI, TMS, 60142, Bao