Regionally, tea is grown in two significant geographical areas namely the East of the Rift block and the West of the Rift block.
The East region is predominantly mountainous consisting of Mt Kenya, the Aberdares ranges and the Nyambene hills while the West of the Rift is characterized by plains and undulating hills which include Kericho, Kisii and the Nandi areas.
The counties that comprise of West and East blocks include Nandi, Trans Nzoia, E. Marakwet, Kakamega, Vihiga, Kericho, Bomet, Kisii, Nyamira, Narok, Nakuru, Kiambu, Muranga, Nyeri, Kirinyaga, Embu, Tharaka Nithi and Meru as illustrated by the tea map below.
- Nakuru
- Narok
- Kericho
- Bomet
- Nyamira
- Kisii
- Kakamega
- Bungoma
- Vihiga
- Nandi
- Elgeyo Marakwet
- Trans-Nzoia
- Kiambu
- Murang’a
- Nyeri
- Kirinyaga
- Embu
- Tharaka-Nithi
- Meru.