Founded in 1952, Hoffmann Heimos Greenhouses (Heimos) is a leading horticultural company known for cultivating high-quality annuals, perennials, and poinsettias. With over 400 acres of greenhouse space across Missouri and Illinois, it ranks among the largest greenhouse operations in the U.S. and is consistently featured on Greenhouse Grower’s “Top 100 Growers” list. The company is also recognized for its annual Poinsettia Trial Open House, showcasing more than 200 varieties and drawing industry professionals from across the country.