AUTHOR BIO: Jan Johnsen is an award-winning instructor at the New York Botanical Garden, author of Heaven is a Garden (St. Lynn's Press, 2014) and a contributing editor for Garden Design magazine. A landscape designer and a principal of the New York design/build firm Johnsen Landscapes & Pools, Johnsen was awarded a 2014 Merit Award by the Association of Professional Landscape Designers (APLD). She is an adjunct professor at Columbia University and has worked in landscape architecture offices in Japan, East Africa, Hawaii, Vermont, New Orleans and New York. She blogs at Serenity in the Garden. The author resides in Westchester County, New York.