Colchicum soboliferum Stef.
Colchicum soboliferum belongs to the group of bulbous and tuberous plants.
Colchicum soboliferum was already described and the name validly published by Carl Anton von Meyer. It was Boris Stefanoff, however, who reclassified it into todays valid botanical systematics .
Colchicum soboliferum is a species in the genus Colchicum which contains approximately 107 to 114 species and belongs to the family of the Colchicaceae (Colchicum Family). The type species of the genus is Colchicum autumnale.
The plants reach heights of 3 to 6 centimetres.
Colchicum soboliferum is deciduous. The simple leaves are basal. They are lanceolate with entire margins and parallel venation.
Flowers and Fruits
Colchicum soboliferum produces solitary white six-stellate flowers from February to March.
The plants produce septicidal capsules.
Colchicum soboliferum is native to Turkey, Syria, Iran, Afghanistan and the Balkan Peninsula.
The plants prefer a sunny situation on moderately moist soil. The substrate should be gritty-loamy and comparatively rich. They tolerate temperatures down to -23Â°C (USDA zone 6). Under glass use a mixture of loam, gravel and leaf compost.
The plants are suited for cultivation in a alpine house. Suited for rockeries.
Maintenance and Propagation
- Water moderately in summer, do not water in winter.
Propagate by sowing when seeds are ripe or by bulbils in summer.
Colchicum soboliferum is toxic.
Please read the health issues note!
Pests and Diseases
Rot on leaves, shoots, flowers or fruits indicated an infection with grey mould (botrytis). Remove and destroy affected plants. Apply fungizide. Improve ventilation and hygiene and avoid injuring the plants to prevent infections.
Gnaw marks and slime trails indicate a problem with slugs. Prevent infestation by improving hygiene and by regularly working the soil. In case of an infestation use slug pellets or nematodes to control pest. Handpicking the slug also helps, do this preferably in the evening hours.
- Walter Erhardt, Erich GÃ¶tz, Nils BÃ¶deker, Siegmund Seybold: Der groÃe Zander. Eugen Ulmer KG, Stuttgart 2008, ISBN 978-3-8001-5406-7. (Ger.)
- Christoper Brickell (Editor-in-chief): RHS A-Z Encyclopedia of Garden Plants. Third edition. Dorling Kindersley, London 2003, ISBN 0-7513-3738-2.