Gardener's Q&A is the ultimate gardening problem-solver. It contains 500 of the questions most commonly asked by gardeners worldwide, each one answered a member of a panel of experts formed by the National Gardening Association in the US. The entries have been selected from the NGA's ever-expanding Q&A Library-a unique database of gardening wisdom that contains over 28,000 entries and counting. The 500 Q&As featured here were chosen for their popularity and to ensure that the book covers a wide range of useful topics.