The term GARDENER'S BUY is composed of three crossword solutions: SEEDS, SEED, and SOD. Seeds are small, often edible, reproductive structures that are used to propagate plants. They are typically produced by flowering plants and can be used to grow new plants. SEED is a single unit of a SEED, which can be planted to grow a new plant. SOD is a piece of grass and soil that is cut from the ground and used to cover an area of land. Gardeners buy these items to create and maintain gardens.