How to Fertilize tall bearded iris 'Joyful Skies'?
Diluted iris feed every three to four weeks during spring bloom
tall bearded iris 'Joyful Skies' · Iris 'Joyful Skies'
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
Diluted iris feed every three to four weeks during spring bloom