How to Propagate kousa 'Summer Fun'?
Propagate by softwood cuttings or hardwood cuttings

kousa 'Summer Fun' · Cornus kousa 'Summer Fun'
Grow in fertile, humus-rich, well-drained, neutral to acid soil in sun or light shade. For more advice, see flowering dogwood cultivation
Propagate by softwood cuttings or hardwood cuttings