Arctium tomentosum Mill.
Arctium tomentosum belongs to the group of annual and biennial plants.
Arctium tomentosum was described by Philip Miller. The name is considered as validly published.
Arctium tomentosum is a species in the genus Arctium which contains approximately 23 to 38 species and belongs to the family of the Asteraceae (Aster Family). The type species of the genus is Arctium lappa.
The plants reach heights of 2 to 2,5 metres.
Arctium tomentosum is deciduous. The green, simple leaves are alternate. They are ovate, dentate and petiolate.
Flowers and Fruits
Arctium tomentosum produces corymbs of purple many-stellate flowers from July to August.
The plants produce achenes.
Arctium tomentosum is native to the whole of Europe with the exception of the British Isles, Turkey and Central Asia and is naturalized in the British Isles, the Canary Islands and in the northern US.
The plants prefer a sunny situation on moderately moist soil. The substrate should have a pH between 8 and 10. They tolerate temperatures down to -40Â°C (USDA zone 3).
Classification after Prof. Dr. Sieber
- open areas
Suited as bee pasture.
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.