How to Fertilize daffodil 'Patrick Hacket'?
Diluted bulb feed every two weeks until flower buds fully open

daffodil 'Patrick Hacket' · Narcissus 'Patrick Hacket'
Plant at one and a half to two times its own depth 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
Diluted bulb feed every two weeks until flower buds fully open