Grass-like foliage surrounds this chalice shaped flower. Carefree and naturalizing; these bulbs signal the end of winter. Crocus are easy to grow in well-drained soil in full sun or partial shade. Plant in waves for a pleasing presentation in your garden or lawn. If you plant in the lawn, do not mow for a full 6 weeks after they flower.  Al Fall Zone 2, 3, 4: Early September. Zone 5: Early to Mid September Zone 6: Mid September Zone 7: Mid to Late September Zone 8, 9, 10: Late September to Early October Spring Zone 3, 4: Early to Mid May Zone 5: Late April to Early May Zone 6: Mid to Late April Zone 7: Early to Mid April Zone 8: Late March to Early April Zone 9, 10: Late March