Colchicum montanum L.
Colchicum montanum belongs to the group of bulbous and tuberous plants.
Colchicum montanum was described by Carl Linnaeus in 1753. The name is considered as validly published.
Colchicum montanum 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 2 to 5 centimetres.
Colchicum montanum is deciduous. The simple leaves are basal. They are linear with entire margins and parallel venation.
Flowers and Fruits
Colchicum montanum produces solitary light purple six-stellate flowers from September to October.
The plants produce septicidal capsules.
Colchicum montanum is native to the Pyrenees and the Iberian 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 -18Â°C (USDA zone 7). 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 montanum 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.