Asarum canadense L.
Asarum canadense is a succulent perennial.
Asarum canadense was described by Carl Linnaeus in 1753. The name is considered as validly published.
Asarum canadense is a species in the genus Asarum which contains approximately 130 to 142 species and belongs to the family of the Aristolochiaceae (Birthwort Family). The type species of the genus is Asarum europaeum.
The perennials have a prostrate growth and reach heights of 5 to 8 centimetres. The plants reach a width of 30 to 60 centimetres.
Asarum canadense is evergreen. The simple leaves are basal. They are reniform, entire and petiolate. The surface of the leaves is glabrous.
Flowers and Fruits
Asarum canadense produces solitary brown six-stellate flowers from March to April. The plants are hermaphroditic.
The plants form rhizomes.
Asarum canadense is native to Canada, the Northeast of the US, the central Northeast of the US, the northern Prairie States of the US and the Southeast of the US.
The perennials prefer a half-shady to shady situation on moist soil. The substrate should have a pH between 5 and 6,5. They tolerate temperatures down to -35Â°C (USDA zone 4).
Classification after Prof. Dr. Sieber
- woodland borders (soil usually rich in humus)
- woods (soil usually rich in organic material)
The recommended planting distance is 25 centimetres, the perennials are best planted in groups of 5 to 15. Suited for beds and borders, as well as suited as groundcover.
Maintenance and Propagation
The plants need little to no maintenance if grown under suitable conditions.
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.