How to Fertilize tall bearded iris 'Benton Primrose'?
Balanced feed in spring and light repeat before or during bloom

tall bearded iris 'Benton Primrose' · Iris 'Benton Primrose'
Plant in full sun in well-drained soil, and with the top surfaces of the rhizomes exposed so that they bake in summer sun, which encourages flowering. See also bearded iris cultivation
Balanced feed in spring and light repeat before or during bloom