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When to Cut Back a Bearded Iris

Bearded iris is a hardy rhizome-based perennial flower. The bearded iris gets its name from soft whisker-like lines growing like beards on the petals. The bearded iris is typically cut back after blooming, in early fall and at plant division.

  1. Bloom

    • A bearded iris blooms in late spring. The plant produces a fan of leaves and stalks of flowers. Each flower stalk is a tall, thick stem holding the flower above the ground. When the flower fades and the bloom wilts, the iris stalk is cut back to about 1 inch above the plant rhizome or base.

    Dormant

    • A bearded iris goes dormant in winter. In early fall, the fan of leaves is cut back to 6 or 8 inches above the rhizome. This shearing helps reduce foliage disease. During the growing season, damaged or diseased leaves are cut back to healthy green foliage.

    Division

    • A bearded iris is dug up and divided when the iris become too crowded. Each leaf fan is cut back to 1/3 of its length. Rhizomes are divided into individual plants with at least one sturdy leaf fan and its attached root cluster for replanting.

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Bulbs
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