Allium nigrum L.
Allium nigrum, commonly known as black garlic, belongs to the group of bulbous and tuberous plants.
Allium nigrum was described by Carl Linnaeus in 1762. The name is considered as validly published.
Allium nigrum is a species in the genus Allium which contains approximately 943 to 1011 species and belongs to the family of the Alliaceae (Garlic Family). The type species of the genus is Allium sativum.
The plants are comparatively long-lived and reach heights of 30 to 35 centimetres.
Allium nigrum is deciduous. The simple leaves are basal. They are linear with entire margins and parallel venation.
Flowers and Fruits
Allium nigrum produces umbels of erect, white six-stellate flowers from March to May.
The plants produce loculicidal capsules.
Allium nigrum is native to France, the Iberian Peninsula, the Apennine Peninsula, the Balkan Peninsula, Turkey, Syria and North Africa.
The plants prefer a sunny situation on dry to moderately moist soil. The substrate should be sandy-loamy, gritty-loamy or sandy clay soil. They tolerate temperatures down to -18Â°C (USDA zone 7).
Classification after Prof. Dr. Sieber
- flower beds (rich soil)
- open areas
The recommended planting distance is 40 centimetres, the plants are best planted in groups of 3 to 5.
Maintenance and Propagation
Pests and Diseases
- 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.