Clesen Wholesale is a premier grower and distributor of seasonal annuals to independent garden centers, professional landscapers and container garden providers. Established in 1941, our fourth-generation family business is enthusiastic and passionate about quality, selection and service. We have three greenhouse facilities in Illinois located in Evanston, Grayslake and Lake Villa along with a central distribution center in Northbrook. We are the largest single source of Winter décor for outdoor holiday containers, decorating and landscape beds serving the entire US.