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Daylily rust

By: Garden Gate staff
Like other rust diseases, daylily rust causes orange spots and streaks on the leaves.

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Daylily rust

IDENTIFICATION — Like other rust diseases, daylily rust causes orange spots and streaks on the leaves. If you see suspicious spots, rub a tissue along the leaves — rust will leave an orange smear. Infected leaves will turn brown and die, but rust won’t kill the plant.

CONTROL — There are some resistant cultivars available, but even those aren’t bullet-proof. To slow the spread, cut back, clean up and destroy infected foliage in the fall. Disinfect your hands and pruners between plants. Avoid overhead watering and make sure plants have good air circulation.

Published: Nov. 18, 2008
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