Willow Greenhouse welcomes you to our full service garden center and nursery. Set on 16 acres of land in Northville, Michigan, Willow Greenhouse is a family-owned business open year round. Originally built in 1987, this quaint and inviting greenhouse offers customers a variety of plant life—from Annuals, Perennials, Trees, Shrubs, Tropicals and houseplants to poinsettias and pumpkins.