Coil of 3,000

Each fall, millions of gardeners bury bulbs in the earth, eagerly anticipating the rewards that springtime will bring. Months later, thick green leaves poke through the soil, soon revealing their payload: tulip blossoms in spectacular variety from prim to ostentatious. These stamps from the U.S. Postal Service feature closeup views of 10 different tulips in a rainbow of colors.