This paper describes developments in forestry extension in two districts of Kenya conducted under the auspices of the Nakuru and Nyandarua Forestry Extension Project 1990-1995 and the subsequent influence of those developments on extension policy pertaining to agroforestry in Kenya. It provides examples of innovative aspects within a conventional service- delivery programme and describes in some detail the successes, weaknesses, and opportunities of the pilot activities using a participatory extension methodology.