How to Prune Aster alpinus 'Goliath'?
Deadhead spent flowers to tidy, cut back stem close to the ground in late autumn

Aster alpinus 'Goliath' · Aster alpinus 'Goliath'
Grow in moderately fertile, well-drained soil in an open sunny position. See aster cultivation for further advice
Deadhead spent flowers to tidy, cut back stem close to the ground in late autumn