Crocus: Early and Late Season Color from Corms

Quick Facts

• Structure: Corm
• Zones: 1–24, 30–45
• Sun: Full sun or partial shade
• Water: Regular during growth and bloom

Bloom Times

Most crocuses bloom late winter to early spring with tubular 1.5–3 inch flowers in a rainbow of colors. Fall bloomers like C. sativus (saffron crocus) and C. speciosus flower weeks or days after autumn planting.

Planting

Plant corms as soon as available in autumn, 2–3 inches deep and 3–4 inches apart in light, porous soil. Both spring and fall types planted at same time.