Alpine aster is a low, clump-forming perennial daisy from mountain regions of Europe, Asia and North America, grown for its single blue, purple, pink or white flowers in early summer. It does best in cool, well-drained, rocky or gritty soil in full sun.
Family
Asteraceae (Daisy family)
Grows as
Perennial
Light
Full sun, Part shade
Water
Water regularly while establishing, then let the top of the soil dry slightly between waterings; avoid soggy roots.
Soil
Free-draining, gritty or rocky soil, slightly alkaline to neutral (pH about 6 to 7.5).
Temperature
Cool conditions suit it best; hardy to about -30 °C (USDA zones 5 to 7).
How easy
Easy
Safety
Not known to be toxic
Native range
Europe to N. China and Iran
Climate
subalpine or subarctic
About
Aster alpinus, the alpine aster or blue alpine daisy, is a species of flowering plant in the family Asteraceae, native to the mountains of Europe (including the Alps), with a subspecies native to Canada and the United States. This herbaceous perennial has purple, pink, white or blue flowers in summer.
Where it grows
Aster A. alpinus generally prefers rockier soils. Its minimum pH scale is 6 and maximum pH scale is 7.5. Flowers are erect, and always solitary. Aster alpinus is native to the mountains of Europe such as the Alps and Pyrenees. Aster alpinus is the only true aster growing in North America. It's fruits are achenes, topped by white bristles.
Text excerpted from the Wikipedia article Aster alpinus by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.