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Growing a Green Roof

Visit with Rob Berghage, Associate Professor of Horticulture at Penn State University.  Mr. Berghage shares information on green roof technology plus the advant...

Visit with Rob Berghage, Associate Professor of Horticulture at Penn State University.  Mr. Berghage shares information on green roof technology plus the advantages and disadvantages of a green roof, and what types of plants and plant material are needed for a successful green roof.