How To Keep Iris Blooming. At that point you may then cut off the leaves too if you wish. Deadheading or removing the blooms from the irises will prevent the iris from going to seed.
They really should not be mulched. Clear weeds and iris detritus from the iris bed. At that point you may then cut off the leaves too if you wish.
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Iris Growing Tips Plant them in a sunny spot in late summer. Prune back the foliage in the fall. Focus instead on early and midseason irises. Make dividing a habit.