Tanzania Tree Seed Agency ( TTSA) is a semi- autonomous Organization under the ambits of the Ministry of Natural Resources and Tourism. The aim of the Agency is to enhance sustainable supply of forest products and environment conservation by producing , procuring and marketing high quality tree seed and other propagating materials. It operates through three zonal centers throughout Tanzania namely; Southern and  Western Zonal Tree Seed Centre, Eastern and Central Zonal Tree Seed Centre, and Northern Zonal Tree Seed Centre

The main roles of TTSA are :-

• To provide high quality tree seed and other propagating materials for different end uses

• To provide technical support for awareness creation and facilitation of customers in raising seedlings from seeds supplied by TTSA

• To enhance environmental conservation initiatives

• To maintain a well managed and financially self sustaining Agency