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PlantFiles: Early Crocus, Tommasini's Crocus, Snow Crocus, Tommies
Crocus tommasinianus

Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Crocus (KROH-kus) (Info)
Species: tommasinianus (toh-mas-see-nee-AH-nus) (Info)

One vendor has this plant for sale.

8 members have or want this plant for trade.

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Alpines and Rock Gardens

under 6 in. (15 cm)

3-6 in. (7-15 cm)

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)

Sun Exposure:
Sun to Partial Shade
Light Shade


Bloom Color:
Light Blue

Bloom Time:
Late Winter/Early Spring
Mid Winter


Other details:
Average Water Needs; Water regularly; do not overwater

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:

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

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There are a total of 9 photos.
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1 positive
No neutrals
No negatives

Gardeners' Notes:

Positive coriaceous On Feb 13, 2014, coriaceous from ROSLINDALE, MA wrote:

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 amurensis. Sometimes as early as Valentine's Day in mild winters, but more often the first week of March (here in Boston Z6a).

Silver-gray on the outside when closed, it discloses varying shades of pale violet when it exposes its interior to the sun.

It increases well both by offsets and by seed. Some even claim to find it weedy. It does well in lawns if the first spring mowing is delayed till the foliage begins to die down.

Said to be less attractive to critters than other crocus, though my squirrels must not read the same reference books I do. I've taken to tacking down hardware cloth over new plantings.


This plant has been said to grow in the following regions:

Garberville, California
Monroe, Georgia
Mount Prospect, Illinois
Winnetka, Illinois
Warren, Indiana
Hebron, Kentucky
Roslindale, Massachusetts
Pinconning, Michigan
Saint Paul, Minnesota
Sparks, Nevada
Mechanicsburg, Pennsylvania
Salt Lake City, Utah
Leesburg, Virginia
Vancouver, Washington

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