Penelope O'Sullivan Penelope O'Sullivan has written about gardens and design for nearly three decades. As the editor of Coastal Home and editor-in-chief of Coastal Design, she combined her love of gardening design and lifestyle. Penelope is the author of The Homeowner's Complete Tree and Shrub Handbook and co-author of The Pruning Answer Book. She has also written for Successful Farming and Small Farmer's Journal.Penelope graduated from the University of Pennsylvania with a bachelor of arts and earned her master's degree from The University of Delaware. She earned a certificate in ornamental horticulture from Longwood Gardens, a beautiful botanical garden located in Kennett Square, Pennsylvania. About Better Homes & Gardens Better Homes & Gardens, a Dotdash Meredith Brand, is the only iconic home brand with a 100+ year history of providing trustworthy and achievable ideas for all doers and home-enthusiasts. We are the go-to resource for fresh takes on home, food, and gardening—inspiring people to bring their dreams to life at home on special occasions and every day. BHG reaches 45 million readers each month. Learn more about us and our editorial process.