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
Crocus orphanidis
Crocus pholegandrius
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage
Herbaceous
Good Fall 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)
Danger
N/A
Bloom Color
Light Blue
Lavender
Bloom Time
Late Fall/Early Winter
Other Details
Category
Alpines and Rock Gardens
Bulbs
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
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
Regional

This plant is said to grow outdoors in the following regions:

GARBERVILLE, California

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Gardener's Notes:

0
positive
1
neutral
0
negative
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St. John's, NL (Zone 5b) | December 2004 | neutral

This is the latest flowering fall crocus in my collection, blooming in early December. It is not hardy in my area so I grow it in pots a...Read More

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