Species Crocus, Fall Crocus
Crocustournefortii

Family: Iridaceae (eye-rid-AY-see-ee)
Genus: Crocus (KROH-kus)
Species: tournefortii (toor-ne-FOR-tee-eye)

Synonym:Crocus fontenayi

Synonym:Crocus orphanidis

Synonym:Crocus pholegandrius

Category
Alpines and Rock Gardens
Bulbs

Water Requirements
Average Water Needs; Water regularly; do not overwater

Sun Exposure
Full Sun
Sun to Partial Shade

Foliage
Herbaceous
Good Fall Color

Foliage Color

Height
6-12 in. (15-30 cm)

Spacing
3-6 in. (7-15 cm)

Hardiness
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)

Where to Grow

Danger
N/A

Bloom Color
Light Blue
Lavender

Bloom Characteristics

Bloom Size

Bloom Time
Late Fall/Early Winter

Other details

Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information

Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors

Seed Collecting
Allow pods to dry on plant; break open to collect seeds