Book excerpt: Covering more than 100 universal gardening "dos and don'ts," Decoding Gardening Advice is the first book to provide gardeners with the real answers. Jeff Gillman, the bestselling author of The Truth About Garden Remedies, and Meleah Maynard back up every good recommendation with sound horticultural and botanical science. Decoding Gardening Advice is the first and only hard-hitting, evidence-based book that every gardener needs for definitive advice on everything from bulbs, annuals, and perennials to edibles, trees, and soil care.