Photo by Melody

PlantFiles: Autumn Crocus, Fall Crocus
Crocus speciosus 'Oxonian'

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

3 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:
Parts of plant are poisonous if ingested
Handling plant may cause skin irritation or allergic reaction

Bloom Color:
Blue-Violet

Bloom Time:
Mid Fall

Foliage:
Herbaceous
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 langbr
Thumbnail #1 of Crocus speciosus by langbr

By Galanthophile
Thumbnail #2 of Crocus speciosus by Galanthophile

By Galanthophile
Thumbnail #3 of Crocus speciosus by Galanthophile

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Thumbnail #4 of Crocus speciosus by Galanthophile

By mygardens
Thumbnail #5 of Crocus speciosus by mygardens

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive oldgal67 On Nov 29, 2010, oldgal67 from London, ON
Canada wrote:

I live in southwestern Ontario. Zone 5. My bulb supplier sent my order of Autumn Crocus late, in mid October, and I planted them immediately but had little hope they would bloom this year. They started to show shoots in early November and, after a couple of frosts, up came a couple of dozen (from 12 bulbs) gorgeous lilac striped with orange flowers. Everything else in the garden was long finished by then but a small bed full of these gave my garden one last 'hurrah' before winter set in. What a joy they were and lasted until now - the first week in December.

Regional...

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

Garberville, California
Olathe, Kansas
Dracut, Massachusetts
Croton-on-hudson, New York
Olympia, Washington



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