Colchicum speciosum – Showy Autumn Crocus for Partial Shade

Autumn Crocus (Colchicum speciosum)

Colchicum speciosum (KOHL-chi-kum spee-see-OH-sum) is a vigorous cormous perennial. Semi-erect, lance-shaped leaves 7 to 10 inches long emerge in spring, then go dormant by late May. In September, it bears 1 to 3 leafless, goblet-shaped, intense pink flowers with yellow anthers and often white throats.

Noteworthy Characteristics

Combines well with sweet potato vine, which will cover the gaps left between leaf and bloom times.

Growing Conditions & Care

Best in partial sun, since it will fade and burn in full sun. Prefers moisture during leaf expansion stage.

Propagation

Separate corms when dormant in summer.

Potential Problems

Gray mold (Botrytis) and slugs.

Quick Reference

• Height: 6–12 in.
• Light: Part shade only
• Moisture: Adaptable
• Maintenance: Moderate
• Bloom Time: Fall
• Flower Color: Pink
• Uses: Beds, borders, naturalizing, rock gardens
• Type: Perennial