The massive 19,000 square foot green roof that sits atop Beth Israel Hospital in Union Square is one of New York City’s best-kept secrets. The rooftop, completed in November 2010 by <a href="http://newyorkgreenroofs.com/">New York Green Roofs</a> in conjunction with <a href="http://rallyrestoration.com/">Rally Restoration</a>, boasts a rich collection of shrubs, trees, mosses and herbaceous perennials, and its sprawling size makes it one of the largest planted roofs in NYC. Step inside our gallery to see some of what this very special urban oasis has to offer, from its diamond-shaped skylights to its rainwater-filtering flora.

The rooftop boasts a rich collection of shrubs, trees, mosses and herbaceous perennials.

One Irving Place features 360 degree visibility from the surrounding condominium hallway windows and towers at each corner.

Dogwood displays white blooms in spring, and anemones and balloon flowers add to the profusion of color in summer and fall.

The massive 19,000 square foot green roof that sits atop the Beth Israel Hospital in Union Square surrounded by four 29-story Zeckendorf condominium towers, is one of New York City’s largest green roofs.

One Irving Place cost $330,000 to install and features 360 degree visibility from the surrounding condominium hallway windows and towers at each corner.

The rooftop also features 170 cubic yards of growing media that help stormwater runoff and flooding issues in the Union Square subway station below.