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Curled-and-Shriveled-Leaves-on-Perennial-Hibiscus.jpg

Curled and Shriveled Leaves on Perennial Hibiscus

I have four perennial hibiscus plants. Two are normal while the other two look curled and shriveled. The leaves look tight and round and disfigured.

Weed killers, mites and several diseases can cause the symptoms you described. Have you or your neighbors used a weed killer or weed and feed product on or near the affected plants? Weed killers (herbicides) can move on wind or water beyond the intended treatment area. If this is the problem, all you can do is wait and see if the plants will grow out of the damage. If this isn't the case, check for mites. These tiny pests suck plant juices causing stunting and distorted growth. Several weekly applications of insecticidal soap or Neem will help reduce the damage. If mites aren't found, check for signs of a virus. The leaves will be discolored in patterns or blotches of light and dark green. Remove virus infected plants immediately to prevent the spread of the disease to nearby healthy hibiscus plants.

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