In 1990, Edmonds advanced to the Palm Springs Angels, a "High-A" team in the California League. He played 91 games and hit .293. He remained with Palm Springs for the 1991 season as well. In 1992, he was promoted to Double-A with the Midland Angels in the Texas League. He hit .313 in 70 games for Midland. He was promoted again in 1992, moving up to Triple-A Edmonton Trappers for 50 games. The Angels changed Triple-A teams in 1993, so Edmonds played for Vancouver Canadians.