|They all curled up and never bloomed.
|Answer from NGA
November 21, 2010
|Confederate rose (hardy hibicus) can be damaged by insect feeding which causes the leaves to curl. Non blooming can be a cultural problem; usually lack of sufficient sunshine. It's difficult to diagnose the problems with your plant without an opportunity to inspect it. At this point I'd leave the plant alone. In the spring, prune it back by one third to one half to encourage healthy new growth. Carefully inspect the new leaves as they are forming and as they open. If you find aphids feeding (the most common cause of curled leaves on hibiscus) hose them off with a strong stream of water or use an Insecticidal Soap to control the pests. Hope this helps!
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