176 Grand Street New York, NY 10013 United States. An expansive and diverse 6,000 square foot garden.The garden wanders over two levels of both extensive and intensive green roof areas. There are recreational and agricultural areas, including a rose bed, lawn, vegetable garden, and a sedum and wildflower roof. The rooftop oasis is also home to three laying hens and a hive of bees. Designed by Goode Green, a green roof design firm that develops and installs soil based green roofs.