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Browning fronds on irises

During the summer months, the fronds on my bearded irises turn brown and shriveled. The irises are in a sunny location where there is plenty of drainage. Other irises in other beds have the same issue but not to the the same extent as these plants. Halfway through summer they look awful. I don't want to cut them back since they are in a prominent area in the front yard. What can I do to remedy this problem?
Submitted by BHGPhotoContest

To a certain extent, browning leaves on bearded iris during the summer months is just a fact of life. The older leaves will always turn brown and dry up regardless of what type of care they receive. You can pull or trim off these browning leaves as they develop to keep the plants looking tidier.

If the browning problem is severe, you may have a fungal leafspot problem on your irises. Do they first develop yellow or brown splotches before turning completely brown? If so, spraying a fungicide may help prevent the excessive browning.

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