How to Propagate Aster 'Cassandra'?
Propagate by division in spring or root softwood basal cuttings in spring

Aster 'Cassandra' · Aster 'Cassandra'
Grow in moist but well-drained, moderately fertile soil in an open, sunny position. See aster cultivation
Propagate by division in spring or root softwood basal cuttings in spring