How to Water Iris 'Imperator'?
Medium moisture in growth, then drier once flowering fully finishes

Iris 'Imperator' · Iris 'Imperator'
Thrives in a sunny position, in most soils with good drainage. In drier soils, dig in well-rotted organic matter before planting, and mulch in spring. Feed after flowering to encourage bulb growth. See bulb iris cultivation
Medium moisture in growth, then drier once flowering fully finishes