Aster alpinus, the alpine aster or blue alpine daisy,[2] 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.

[6] In the UK this plant has gained the Royal Horticultural Society's Award of Garden Merit.

The Latin specific epithet alpinus means alpine and from high mountains above the timber line.

It can survive medium heat of fire and requires at least 90 frost free days for proper growth.

vierhapperi as Secure Variety (T5) in Canada, but Critically Imperiled (S1) in Ontario and Vulnerable (S3) in Alberta.