These well-known, early springgrow from corms. There are several different , including the Dutch crocus, the smaller Chrysanthus types, and the true autumn-flowering crocuses.
Suitable site and soil. Always choose a sunnywhere the corms can be warm and dry in summer. The composition of the soil does not matter as long as it is very well drained and is not heavy clay. On wet, sticky soils, grow in raised beds.
Cultivation and care. Plant with about 2.5cm – 1 inch of soil above the top of the corm and leave them gradually to make clumps. Make sure that thedo not become damaged or 54 removed until seven weeks after the last flowers have faded, as they are needed to the corms.
Propagation Buy inexpensive corms. Plants raised fromwill flower after three years.
Recommended varieties. Large-flowered (Dutch) crocus flowers in early spring; ‘Queen of the Blues’ has very large soft blue flowers; ‘Snowstorm’ has large, globular, pure white flowers; ‘Remembrance’ is soft purple. C. chrysanthus crocuses flower a little earlier than the Dutch type. The many varieties include ‘Advance’ (yellow and bronze), ‘Snowbunting’ (white) and ‘Bluebird’ (white inside, blue outside). C. specio-sus varieties flower in the autumn.
Pests and diseases. Sparrows often attack yellow crocus flowers. Mice sometimes eat the corms.
TRUE OR FALSE?
The true autumn crocus,
speciosus , is not related to Colchicum autumnale, though this is also commonly known as autumn crocus. Both look similar and both grow from corms.