How to Propagate Phlox paniculata 'Iris'?
Propagate by division in autumn or spring, by basal softwood cuttings in spring or by root cuttings in early autumn or winter

Phlox paniculata 'Iris' · Phlox paniculata 'Iris'
Thrives in any fertile, humus rich, moist soil in full sun or part shade. Plants will benefit from good air circulation and from watering in extended dry spells. Water at the base if necessary, rather than over the leaves
Propagate by division in autumn or spring, by basal softwood cuttings in spring or by root cuttings in early autumn or winter