How to Fertilize iris 'Gerald Darby'?
Diluted iris feed every three to four weeks during spring bloom
iris 'Gerald Darby' · Fertilizing
iris 'Gerald Darby' · Iris × robusta 'Gerald Darby'
Grow in moist to wet, deep, humus-rich, acid soil; thrives at the margins of ponds or streams
Watering: Medium moisture in growth, then drier once flowering fully finishesSunlight: Full sun · Partial shadeHarmful if eaten. Wear gloves and other protective equipment when handling