Green Haven is a greenhouse and nursery located in Grinnell, Iowa that aims to provide the highest quality products and services while adhering to the highest business standards. It has various sustainable features like a living roof, geothermal system, solar panels, and uses permeable concrete. Green Haven employs 7 full-time staff and 15 part-time, seasonal employees. It offers a wide inventory of plants and supplies and uses various marketing strategies. Green Haven hosts monthly classes, sales, and open houses. It provides a one-year warranty on trees, shrubs, and hostas if planted and cared for properly.