How to Water Japanese water iris 'Moonlight Waves'?
Keep root zone evenly moist through growth without stagnant water

Japanese water iris 'Moonlight Waves' · Iris ensata 'Moonlight Waves'
Grow in moist to wet, deep, humus-rich, neutral to acid soil in sun or part shade; it thrives at the margins of ponds or streams
Keep root zone evenly moist through growth without stagnant water