How to Prune daffodil 'Exception'?
Deadhead as flowers fade. Allow the leaves to die down naturally

daffodil 'Exception' · Narcissus 'Exception'
Plant at one and a half to two times the depth of the bulb in autumn. Will tolerate most soils but prefers moderately fertile, well-drained soil that is constantly moist during the growing season. See daffodil cultivation for further advice
Deadhead as flowers fade. Allow the leaves to die down naturally