Published July 27, 2011 Read Next Entering the green roof market? First, you’ll need an education. Explore the July 2011 Issue Check out more from this issue and find your next story to read. View More Latest from Lawn & Landscape Our Holiday Lighting Contest rolls on 2024 State of the Industry webinar Bartlett Tree Experts promotes 2 as assistant division managers Snow season's almost here Landscapers raise $300K at Hurricane Helene relief event Here to stay What you missed this week Technology timeline