Allium rosenbachianum Regel
Allium rosenbachianum belongs to the group of bulbous and tuberous plants.
Allium rosenbachianum was described by Eduard August von Regel. The name is considered as validly published.
Allium rosenbachianum 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 reach heights of 90 to 100 centimetres.
Allium rosenbachianum is deciduous. The green, simple leaves are basal. They are linear with entire margins and parallel venation. The leaves are around 20 to 30 centimetres large.
Flowers and Fruits
Allium rosenbachianum produces umbels of purple six-stellate flowers from May to June.
The plants produce loculicidal capsules.
Allium rosenbachianum is native to Central Asia, Afghanistan and Pakistan.
The plants prefer a sunny situation on dry to moderately moist soil. The substrate should be sandy-loamy, gritty-loamy or sandy clay soil with a pH between 8 and 10. They tolerate temperatures down to -18Â°C (USDA zone 7).
Classification after Prof. Dr. Sieber
- flower beds (rich soil)
- open areas
Suited for beds and borders, as well as suited as cut flowers.
Maintenance and Propagation
- Winter protection is advisable.
Propagate by sowing or by bulblets.
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.