How to Prune Symphyotrichum 'Aqua Compact'?
Cut stems close to the ground in late autumn

Symphyotrichum 'Aqua Compact' · Symphyotrichum 'Aqua Compact'
Grow in fertile, moisture-retentive soil, in full sun or partial shade; mulch every year after cutting down in late autumn. Divide every third year to retain vigour and flower quality. See aster cultivation
Cut stems close to the ground in late autumn