This document discusses strengthening the formal seed system for yams in Ghana. It summarizes the goals of the Yam Improvement for Income and Food Security in West Africa (YIIFSWA) project to increase yam productivity and link small farmers to markets. The project partners with Ghanaian institutions to establish high quality and affordable seed yam availability, reduce postharvest losses, and disseminate improved varieties and production technologies to farmers. It outlines the seed demand and identifies suppliers, and proposes strategies for seed multiplication and distribution through public and private sector partners to scale up the seed system.