Crocus – Crocus spp.

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Crocus – Crocus spp.

Common Name: Crocus

Botanical Name: Crocus spp., KRO-kus

Decorative Life: Varies greatly by cultivar and temperature and to a lesser degree by light levels. Individual flowers last from 2-5 days but the entire plant longevity can be as high as 7-12 days if sold at the sprout stage of development and held in a cool environment.

Flower Color: , ,

Availability: ,

Harvest Instructions:

Harvest and market at the sprout stage of development.

Family Roots:
  • Is a member of the Iridaceae (iris family).
  • Native from the Mediterranean region to South West Asia.
  • Common relatives include iris, ixia, freesia and gladiolus.
  • Produced from corms, not bulbs. Corms are modified stems.
  • Classed as a monocotyledon, leaves mostly parallel veined.
  • Flowers are tubular, flaring to cup-shaped at ends, up to 3 inches long.
  • No fragrance of consequence.
Storage Specifics:


  • Crocus: Greek name of the saffron (C. sativus).
  • Can purchase corms, plant them, follow growing instructions and allow them to produce flowers thus extending the enjoyment period.
  • The American Academy of Allergy, Asthma and Immunology lists this species as an allergy-safe pollen producing plant.
  • Will generally do well in light levels at least bright enough to read a newspaper in comfort up to full sun.
Recent Research Findings:

While the following is not a recent research finding to say the least, it still is very applicable today. Pfeffer (1897 as reported by Wood, 1953) showed that when light causes a less than one degree F increase in crocus temperature that flower opening can be stimulated whereas an equal fall in temperature can cause the flower to close.