How to Prune daylily 'Summer Wine'?
Cut back flower stems after flowering has finished. Remove dead foliage as required.

daylily 'Summer Wine' · Hemerocallis 'Summer Wine'
Grow in fertile, well drained soil, in areas that will not dry out in summer. Prefers full sun, flowering is likely to be reduced in shadier situations. Water freely from spring to summer. See Hemerocallis cultivation for details
Cut back flower stems after flowering has finished. Remove dead foliage as required.