How to prune dwarf bearded iris

Deadhead immediately after flowering (spring); divide in midsummer. Snap off spent flowers; once all blooms on a stalk have finished, cut the stalk to the base. To divide, lift clumps, cut rhizomes into sections each with a fan of leaves, trim leaves to 6 inches, replant shallowly.

Annually for deadheading; divide every 3–4 years. Dwarf Bearded Iris needs basic post-flowering care. Deadhead spent blooms to keep the planting tidy. Cut down flower stalks to the base after all blooms on the stem have finished. Allow foliage to die back naturally in late summer. Divide congested rhizomes every 3–4 years in midsummer to maintain vigour.

Snap off spent flowers; once all blooms on a stalk have finished, cut the stalk to the base. To divide, lift clumps, cut rhizomes into sections each with a fan of leaves, trim leaves to 6 inches, replant shallowly.