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PlantFiles: Autumn Crocus, Fall Crocus
Crocus speciosus

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Family: Iridaceae (eye-rid-AY-see-ee) (Info)
Genus: Crocus (KROH-kus) (Info)
Species: speciosus (spee-see-OH-sus) (Info)

Synonym:Crocus speciosus subsp. speciosus

One vendor has this plant for sale.

7 members have or want this plant for trade.

Category:
Bulbs

Height:
under 6 in. (15 cm)

Spacing:
3-6 in. (7-15 cm)
6-9 in. (15-22 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)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:
Full Sun
Sun to Partial Shade

Danger:
All parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction

Bloom Color:
Blue-Violet
Violet/Lavender

Bloom Time:
Mid Fall

Foliage:
Blue-Green

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

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)

Patent Information:
Non-patented

Propagation Methods:
By dividing rhizomes, tubers, corms or bulbs (including offsets)

Seed Collecting:
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

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to view:

By philomel
Thumbnail #1 of Crocus speciosus by philomel

By philomel
Thumbnail #2 of Crocus speciosus by philomel

By Kelli
Thumbnail #3 of Crocus speciosus by Kelli

By arsenic
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By arsenic
Thumbnail #5 of Crocus speciosus by arsenic

By langbr
Thumbnail #6 of Crocus speciosus by langbr

By roundshm
Thumbnail #7 of Crocus speciosus by roundshm

There are a total of 17 photos.
Click here to view them all!

Profile:

1 positive
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral Kelli On Apr 27, 2005, Kelli from L.A. (Canoga Park), CA (Zone 10a) wrote:

The flowers are so pretty but the plants don't last here very long. In a couple years they all die out.

Positive philomel On Oct 27, 2002, philomel from Castelnau RB Pyrenes
France (Zone 8a) wrote:

An easy plant, welcomed for it's colour in the autumn.
It looks very good set off by russet fallen leaves.

Regional...

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

,
Garberville, California
Littleton, Colorado
Washington, Illinois
Olathe, Kansas
Thompsonville, Michigan
Croton On Hudson, New York
Ithaca, New York
New York City, New York
Wake Forest, North Carolina
Pembina, North Dakota
Fort Jennings, Ohio
Coos Bay, Oregon
Wilkes Barre, Pennsylvania
Broaddus, Texas
Spokane, Washington



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