Species Crocus, Snow Crocus, Early Crocus, Tommasini's Crocus

Crocustommasinianus

Family
Iridaceae (eye-rid-AY-see-ee)
Genus
Crocus (KROH-kus)
Species
tommasinianus (toh-mas-see-nee-AH-nus)
Synonym
Crocus serbicus
Sun Exposure
Sun to Partial Shade
Light Shade
Foliage
Herbaceous
Good Fall Color
Height
under 6 in. (15 cm)
Spacing
3-6 in. (7-15 cm)
Hardiness
USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
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 Winter/Early Spring
Mid 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
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; direct sow outdoors in fall
From seed; stratify if sowing indoors
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Regional

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

GARBERVILLE, California

Monroe, Georgia

Mount Prospect, Illinois

Winnetka, Illinois

Warren, Indiana

Hebron, Kentucky

Ijamsville, Maryland

Roslindale, Massachusetts

Pinconning, Michigan

Saint Paul, Minnesota

Sparks, Nevada

Mechanicsburg, Pennsylvania

Salt Lake City, Utah

Leesburg, Virginia

Vancouver, Washington

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Gardener's Notes:

1
positive
0
neutral
0
negative
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C
ROSLINDALE, MA | February 2014 | positive

In the race to be the first flower of the new year, this is always neck-and-neck with common snowdrops (Galanthus nivalis) and Adonis amu...Read More

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