• Credit: Green Roofs for Healthy Cities

At 34 floors, this is the tallest apartment building in Missouri. Located in Kansas City’s financial district, it was built in 1931 as a bank and still offers office space today. An 8-story parking garage with a roof garden connects the 909 Walnut Tower and 929 Walnut building. The garden is approximately 17,000 square feet (1579 m2) and cost about $40 per square foot. Special growing media profiles are 6 inches (152 mm) for the lawn area and landscape beds.

The garden provides community space; cabanas are included and there is a special area for dogs to exercise. The project won a 2008 Award of Excellence for Extensive Residential from Toronto-based Green Roofs for Healthy Cities. The Weitz Co., Des Moines, Iowa, served as the general contractor and construction manager. The garage architect was Stott & Associates Architects P.C., Ames, Iowa. The landscape, soil and irrigation contractor was H&R Lawn and Landscape, Stilwell, Kan. The waterproofing/roofing contractor was Delta Services, Kansas City, Kan.

PROJECT SUBMITTED BY GREEN ROOFS FOR HEALTHY CITIES, TORONTO, WWW.GREENROOFS.ORG