How to Fertilize iris 'Dark Aura'?
Diluted iris feed every three to four weeks during spring bloom

iris 'Dark Aura' · Iris × robusta 'Dark Aura'
Grow in moist to wet, deep, humus-rich neutral to acid soil in sun or part shade, it thrives in the margins of ponds and ideal for a bog garden
Diluted iris feed every three to four weeks during spring bloom