The authors have written or co-written dozens of garden books and are horticultural experts.PATRICIA HANBIDGE is founder and head of the Saskatoon School of Horticulture. She is a former coordinator of the University of Saskatchewan's Master Garden and Prairie Horticulture Certificate programs. Patricia is a regular contributer to gardening columns in newspapers throughout Saskatchewan.Alison Beck is one of Canada's bestselling garden writers. She has written or co-authored more than 30 gardening guides, many of which have become bestselling, award-winning guides. They are filled with practical advice and her passion for gardening.