Showy Colchicum

Colchicum speciosum

Native to:
Iran, North Caucasus, Transcaucasus, Türkiye

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Colchicaceae
Genus:
Colchicum
Species:
Colchicum speciosum
USDA Symbol:
COSP12

Growth Characteristics

Height:
30 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
sep,oct
Bloom Colors:
pink, white

Garden & Ecology Notes

Wildlife Value:
bees
Deer Resistant:
Yes

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to regions with well-drained soils in open woodlands and meadows

Propagation & Germination

Stratification:
Cold/moist stratification required — 90–120 days
Germination Time:
30–90 days
Notes:
Seeds require cold stratification for 3-4 months; germination can be slow and erratic.

ORGHPS Germination Guide: Sow immediately, Either the viability of these seeds is short or the species propagates best with fresh seed. Stored seed might be coaxed into germination with temperature cycling and patience. Expose to fluctuation outdoor winter temperatures including freezing for 3 months. Gradually increase light and temperature in the spring. * must have summer heat to germinate; may take 6 years to germinate; grow seedlings @ 4°C x 1 month

Source: Ontario Rock Garden & Hardy Plant Society