The Greater St. Louis Dahlia Society Show takes place September 19 and 20, 2015, in the Orthwein Floral Display Hall, Ridgway Visitor Center, Missouri Botanical Garden, 4344 Shaw Boulevard, St Louis, Missouri.

Hours are 9 a.m. to 5 p.m. each day.

New cultivars and old favorites are shown by the area’s top growers, who are on hand to give plant care advice and share information about their organization.

(Photo courtesy of Missouri Botanical Garden)