Greenhouse Canada

Green roof installations post double digit growth

May 2, 2013  By Canadian Garden Centre & Nursery

May 2, 2013, Toronto — Garden centres looking for ways to build their bottom lines may want to get into the green roof game. The sector posted a 24 per cent growth rate in 2012.

The double-digit growth rate was uncovered by Green Roofs for Healthy Cities' (GRHC) Annual Green Roof Industry Survey.

"On the heels of a huge 115 per cent growth rate in 2011, the green roof industry still grew by 24 per cent in 2012," said Steven W. Peck, GRHC founder and president. "Green roofs are being embraced around North America, by policy makers, designers, building owners and developers because they deliver multiple proven public and private benefits."


In 2012, the Washington DC Metropolitan Region installed the most green roofs in North America with 1,326,872 square feet. Washington, DC adopted a number of public policies that support green roof investment.

"The District is proud to lead the nation in installation of green roofs," said Mayor Vincent C. Gray. "Green infrastructure is an investment that is showing real benefits in the District and green roofs play a major part in turning the vision of a Sustainable DC into reality. Green roofs support green jobs, reduce and reuse stormwater, and create beautiful amenities that improve the quality of life and health of our residents."

GRHC will host two conferences in 2013: Grey to Green: A Conference on the Economics of Green Infrastructure, in Toronto on May 21 and 22 and CitiesAlive: 11th Annual Green Roof and Wall Conference in San Francisco from Oct. 23 to 26.

GRHC is a membership-based industry association whose mission is to develop the green roof and wall industry in North America. To obtain a copy of the Annual Green Roof Industry Survey for 2012, go to

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