Information about home gardening on the roofs of buildings.
Sites of businesses involved in the green roof industry and organizations promoting that industry should be submitted to Business: Construction and Maintenance: Building Types: Sustainable Architecture: Green Roofs.

Online stores offering plants and supplies for rooftop gardening should be submitted to the appropriate category under Shopping: Home and Garden.

Sites that focus on container gardening in general should be submitted to Home: Gardening: Gardens: Container.