iris 'Concertina' · Pruning

Grow in well-drained, fertile, neutral to slightly acidic soil in full sun. Do not cover the rhizomes with mulch, or allow other plants to shade them, as sun on the rhizomes encourages flowering. Give a high-potash feed in spring and divide every three to four years. See bearded iris cultivation

Watering: Medium moisture in growth, then drier once flowering fully finishesSunlight: Full sunHarmful if eaten. Wear gloves and other protective equipment when handling

Old flower stems can be cut down after flowering; remove any dying foliage in autumn

How to Prune iris 'Concertina'?