Aster alpinus

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Aster alpinus L.

Asteraceae

Life form: perennial

Exposure: sun   3

Moisture: moderately moist

Soil: sandy loam

Arrangement: alternate
Leaves: decidious

Shape: lanceolate

Division: simple

Shape: many-stellate
Fruit: achene

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Inflorescence: solitary

Petals: single
Habit: not specified

Growth form: cushion- or mound-forming

Taxonomy

Divisio:
Magnoliophyta
Subdivisio:
Magnoliophytina
Classis:
Rosopsida
Subclassis:
Asteridae
Superordo:
Asteranae
Ordo:
Asterales

Aster alpinus is a perennial.

Naming

Aster alpinus was described by Carl Linnaeus in 1845. The name is considered as validly published.

Taxonomy

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.

Characteristics

Aster alpinus - flowers

Growth

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.

Leaves

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.

Root System

Distribution

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.

Cultivation

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 -40°C (USDA zone 3) and need a frost-free period of at least 13 weeks.

Classification after Prof. Dr. Sieber

  • rockeries

Tolerance of special soil conditions

  • none: anaerobic soil
  • low: soil salinity, calcareous soil
  • medium: drought

Uses

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.

Cultivars

Pests and Diseases

Literature

  • Walter Erhardt, Erich Götz, Nils Bödeker, Siegmund Seybold: Der große 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.

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