green roofs

  Long established in Europe, green, or living, roofs are becoming increasingly popular here in the United states, as more people  recognize their value in conserving energy, improving air quality, and managing storm water runoff, along with their aesthetic qualities.

Provided

The green roof concept is gaining traction with builders and the eco-conscious but a successful green roof requires more than just planting some vegetation.

A University of Cincinnati pilot study finds some native plants are more successful in our climate than others.

Student Jill Bader and Assistant biology professor Ishi Buffam were surprised to discover a member of the onion family fared best.

"It looks delicate, I think. The foliage is long and thin and it has a very delicate flower. It doesn't look tough but it is," says Bader.