On Wednesday, November 4, from 7 – 8:30 at Tower Hill Botanic Garden, Doug Tallamy will discuss the important ecological roles of plants in landscapes, and emphasize the ecological, educational, physical and emotional benefits of designing landscapes with these roles in mind. Tallamy is a professor at the University of Delaware and won the Silver Medal from the Garden Writer’s Association for his book, Bringing Nature Home. His most recent book, with Rick Darke, is The Living Landscape: Designing for Beauty and Biodiversity in the Home Garden. Tower Hill members $15, nonmembers $25.  Register online at www.towerhillbg.org.