The Main Plant entry for Crocus

This database entry exists to show plant data and photos that apply generically to all Crocus.

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General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Flowers: Showy
Underground structures: Corm
Uses: Will Naturalize
Propagation: Other methods: Offsets

Close Up View In Bright Sunlight

Photo gallery:
Location: My GardensDate: April ‎02, ‎2014Close Up View In Bright Sunlight
By TBGDN
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Location: In my garden in Kalama, Wa.Date: Early Spring
By Joy
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Location: central IllinoisDate: 2012-03-11
By jmorth
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Location: Indiana  Zone 5Date: 2012-03-11
By gardengus
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Date: 2005-04-16photo by: Don from USA
By sandnsea2
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Location: central IllinoisDate: 3-13-12
By jmorth
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Photo courtesy of: Pam Brophy
By admin
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Date: 2008-03-18clipart-fr
By admin
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Location: central IllinoisDate: 2015-03-31
By jmorth
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Location: central IllinoisDate: 2016-03-13
By jmorth
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Date: 2015-03-29
By paulaf
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Location: Solon , OhioDate: 2017-03-25
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Location: Solon , OhioDate: 2017-03-26
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Location: Solon , OhioDate: 2017-03-26
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Location: Abandon Home, West Fulton, NYDate: 2017-04-14Beauty Can Pop Up Anywhere
By Lioba
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Location: Sunriver Nursery, Orem, UtahDate: 2012-01-30
By Paul2032
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Location: At Sunriver Nursery, Orem, UtahDate: 2012-01-30
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Location: At Sunriver Nursery, Orem UtahDate: 2012-01-30
By Paul2032
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Location: Zone 7A, NC, my gardenDate: 2012-02-01
By sandnsea2
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Location: London/Kent border, England, UK.Date: 2012-02-20Naturalised crocus.
By NEILMUIR1
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Location: Indiana  Zone 5Date: 2012-03-13
By gardengus
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Location: My Northeastern Indiana Gardens - Zone 5bDate: 2013-01-21Forced indoors
By chelle
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Location: HungaryDate: 2013-04-04
By ninell
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Location: My GardensDate: March 29, 2010Close Up View
By TBGDN
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Location: My GardensDate: March 24, 2010In Sunlight
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Location: My GardensDate: April 24, 2010In Full Sun
By TBGDN
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Location: My GardensDate: March 24, 2010Very Close View
By TBGDN
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Location: West Valley City, UT
By Zencat
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Location: central IllinoisDate: 2014-11-01Forced last year, outside planting this fall.
By jmorth
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Date: 2015-03-09
By Paul2032
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Date: 2015-03-12
By Paul2032
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Location: My garden in Northern KYDate: 2015-03-16
By Marilyn
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Location: central IllinoisDate: 2013-04-04
By jmorth
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By paulaf
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Location: Bronx NYDate: 2017-02-25First bloom of 2017.
By bxncbx
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Location: Solon , OhioDate: 2017-03-25
By paulaf
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Location: Athol, MADate: 2016-04-01
By joannakat
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Location: central IllinoisDate: 2012-03-11
By jmorth
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Date: 2013-04-04
By ninell
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Location: central IllinoisDate: 3-16-07
By jmorth
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Location: central IllinoisDate: Spring 2007
By jmorth
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Location: central IllinoisDate: 3-8-12
By jmorth
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Location: My garden in Kalama, Wa. Zone 8Date: 2014-09-23
By Joy
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Location: central IllinoisDate: 2014-10-14
By jmorth
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Date: 2007-02-08Photo courtesy of: Penny Mayes
By admin
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Location: TajikistanDate: 2008-03-09Photo courtesy of: Shukhrat Sabdiev
By admin
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Date: 2005-10-16Photo courtesy of: Ziegler175
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Location: central IllinoisDate: 2014-03-15
By jmorth
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Date: 2012-09-02Photo courtesy of: MomentsForZen
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Location: West Valley City, UT
By Zencat
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Location: central IllinoisDate: 2015-03-24
By jmorth
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Location: central IllinoisDate: 2015-04-01
By jmorth
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Date: 2015-03-29
By paulaf
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This plant is tagged in:
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Comments:
Posted by Marilyn (Northern KY - Zone 6a) on May 22, 2013 10:23 PM

"Approximately thirty of the species are cultivated. Cultivated varieties mainly represent five species: C. vernus, C. chrysanthus, C. flavus, C. sieberi and C. tommasinianus. Among the first flowers to bloom in spring, crocuses are popular with gardeners. Their flowering time varies from the late winter C. tommasinianus to the later large hybridized and selected Giant "Dutch crocuses" (C. vernus). Crocus flowers and leaves are protected from frost by a waxy cuticle; in areas where snow and frost occasionally occur in the early spring, it is not uncommon to see early-flowering crocus blooming through a light late snowfall.

Most crocus species and hybrids should be planted in a sunny position, in gritty, well-drained soil, although a few prefer shadier sites in moist soil. Some are suitable for naturalising in grass. The corms should be planted about 3 to 4 cm deep; in heavy soils a quantity of sharp grit should be worked in to improve drainage.

Some crocuses, especially C. tommasinianus and its selected forms and hybrids (such as 'Whitewell Purple' and 'Ruby Giant'), seed prolifically and are ideal for naturalising. They can, however, become weeds in rock gardens, where they will often appear in the middle of choice, mat-forming alpine plants and can be difficult to remove."

Taken from wikipedia's page at: http://en.wikipedia.org/wiki/C...

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Posted by Newyorkrita (North Shore, Long Island, NY ) on Sep 7, 2013 5:25 PM

Crocus blooms always mean spring to me. While it is true that each individual bloom is not very large or too spectacular, a carpet of crocus blooms is a stunning sight.

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Posted by jmorth (central Illinois) on Feb 6, 2015 12:30 AM

Most crocus can be forced over winter, the 'Dutch' (C. vernus) hybrids do best producing 2 or 3 large flowers per corm. Best forcers are largest available corms. Crocus need 15 weeks of cold (and dark) treatment (35 to 48 degrees) to force. Plant 8 to 10 about an inch deep .in a 6 inch pot with well draining soil. Check periodically to ensure the medium is evenly moist. After cold treatment, place pot strategically to view blooms that will appear in a couple weeks (best place is bright but cool, preferably around 60 -65 degrees). In my experience, the bloom is transitory but impressive. I have had success transplanting some into the garden for bloom in subsequent years after forcing.

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Discussion Threads about this plant
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