Aster dumosus Apollo ?
Also known as Michaelmas Daisies, these old favourites bloom from late summer into autumn with a multitude of elegant white, long lasting, daisy-like flowers. Very hardy, forming ever-increasing clumps that need to be divided every 3 - 4 years in the early spring.
Ref:
Date: 31/12/2019
Location: Häglared
Photographer: Sven-Arne Kallin