How to Fertilize iris 'Dusky Challenger'?
Low nitrogen feed in spring before and after bloom
iris 'Dusky Challenger' · Fertilizing
iris 'Dusky Challenger' · Iris 'Dusky Challenger'
Grow in well-drained, fertile, neutral to slightly acid loam in full sun; sun on the rhizome encourages flowering. See also bearded iris cultivation
Watering: Water moderately, let surface dry slightly between irrigationsSunlight: Full sunHarmful if eaten. Wear gloves and other protective equipment when handling