They are easy to propagate by division of clumps in the spring. To prevent overcrowding, older clumps should be dug in the springtime and replanted. This is an easy plant to grow in the shade. It will do well on heavily fertilized, rich soil. It grows about 12 inches high.
Propagation is by the division of old clumps.
The clumps should be dug and replanted every 3 or 4 years to insure good blossoms. Crocus varieties are grown in the rock garden, border, or in many bare spots in the garden or in front of woody shrubs. They grow 4 to 5 inches high. The bulbs are planted in October or early November, about 3 inches deep and some 3 to 6 inches apart. They will grow in the same place for many years.