How to Fertilize iris 'Hocus Pocus'?
Low nitrogen feed in spring before and after bloom

iris 'Hocus Pocus' · Iris 'Hocus Pocus'
Plant in full sun in well-drained soil, and with the top surfaces of the rhizomes exposed so that they get baked in summer sun, which encourages flowering. See also bearded iris cultivation
Low nitrogen feed in spring before and after bloom