[A note from Nan: We welcome a new Guest Contributor here at GGW: Vincent A. Simeone. Vinnie is is a professional horticulturist and lecturer who has written four gardening books published by Ball: Great Flowering Landscape Shrubs (2005), Great Flowering Landscape Trees (2006), Great Landscape Evergreens (2007) and Wonders of the Winter Landscape (2005). He’s[...]