Colhicum

This  genus of around 45 species of corms is found from eastern Europe to northern Africa and eastwards to China. Although not related to the true crocuses, the common name autumn crocus is an apt description of the habit  and appearance of many of the species. The are dormant and leafless  in summer. Their flowers have 6 petals, usually in 2 whorls and start to appear from early autumn before the foliage develops. Double flowered forms are available. This genus is famous as the source of the cancer treatment drug cochineal a mutagen that affects cell division it is sometime use by plant breeders to produce new cultivars.

CULTIVATION

Hardy and adaptable plants that are great favorites with enthusiasts of rockery gardens,  Colchicum species thrive in zones that have 4 distinct seasons. Some species require a hot dry summer to flower well but most plants are happy in any fertile well-drained soil in either full or half sun. they alson do well in containers.