How to Fertilize iris 'Painted Lady'?
Diluted iris feed every three to four weeks during spring bloom

iris 'Painted Lady' · Iris 'Painted Lady'
Grow in well-drained neutral or slightly alkaline soil, preferably in a sunny spot. Good for naturalising. See bulbs: naturalising and bulb iris cultivation for further advice
Diluted iris feed every three to four weeks during spring bloom