CROCUS: Crocus plants are relatively small, reaching just 3-6 inches in height (depending on the variety). The leaves are grass-like, generally with a light stripe running up the middle. Many of the spring-flowering crocus bulbs are among the earliest bloomers. The blooms pucker up at night and re-open in the morning. Pickwick Giant Crocus: When most people say "crocus", this is the one they think of. Among the larger Dutch crocus group, most are solid colored, except this standout. The striped crocus has been the favorite for years. A planting of this one alone can be a real stunning display, or you can simply add these to your mixture to have more of the favorite. Heirloom 1925. Colorful Crocus--the first sign of spring! Use them in borders or edging; in groups of a dozen or hundreds and thousands for naturalizing; in the grass, woodlands, slopes, under trees. Measurements are approximate.