Aster alpinus L.
Aster alpinus is a perennial.
Aster alpinus was described by Carl Linnaeus in 1845. The name is considered as validly published.
Aster alpinus is a species in the genus Aster which contains approximately 248 to 706 species and belongs to the family of the Asteraceae (Aster Family). The type species of the genus is Aster amellus.
The perennials are comparatively slow-growing and long-lived. They reach heights of 20 to 25 centimetres and have a erect habit The main growing season is in spring and summer. The plants reach a width of 30 to 60 centimetres.
Aster alpinus is deciduous. The dark-green, simple leaves are alternate. They are lanceolate with entire margins. The leaves are around 5 centimetres large and have a glabrous surface. The foliage is porous.
Flowers and Fruits
Aster alpinus produces solitary showy, white many-stellate flowers from May to July.
The perennials produce brown achenes in summer.
Aster alpinus is native to the whole of Europe with the exception of the British Isles and North Europe, Turkey, the Caucasus, northern Iran, West-Siberia, East Siberia, Central Asia, Mongolia, China, Alaska, Canada and the Rocky Mountains.
The perennials prefer a sunny situation on moderately moist soil. The substrate should be sandy-loamy and comparatively poor with a pH between 6 and 7,5. The plants need a soil depth of at least 38 centimetres for good growth. They tolerate temperatures down to -40Â°C (USDA zone 3) and need a frost-free period of at least 13 weeks.
Classification after Prof. Dr. Sieber
Tolerance of special soil conditions
- none: anaerobic soil
- low: soil salinity, calcareous soil
- medium: drought
The recommended planting distance is 25 centimetres, the perennials are best planted in groups of 3 to 10. Suited for rockeries and for beds and borders, as well as suited as cemetery plant and as slope plant.
Maintenance and Propagation
The plants usually need very little maintenance.
Propagate by sowing.
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.