|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.
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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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