Sasanqua Camelias - Knowledgebase Question

Fuquay-varina, NC
Avatar for SCCulp
Question by SCCulp
March 14, 2000
I have planted eight Sasanqua camelias along the eastern wall of our home. They receive direct sunlight in the morning and indirect sunlight the rest of the day. A bed of mulch has been placed on top of the bed, and they seem to be doing well except for a fungal looking mold or possibly some type of rust mite that I've recently seen on the leaves. I went to the nursery where we bought the plants and the caretaker told me to use "Orthene" on them. Does that sound right to you? He said to use Orthene on anything that gave me problems, aphids, mold, mildew, rust, etc.

As a beginning gardener, would you please give me some helpful tips on taking proper care of these beautiful plants. Thanks so much for your help.

Answer from NGA
March 14, 2000
The active ingredient in Orthene is Acephate, which is an insecticide. Using an insecticide to combat diseases such as mold, mildew and rust is a great concern!

Camelias can be attacked by scale insects. Their excrement, sometimes called honeydew, is high enough in sugar content to encourage a fungal growth called sooty mold. If your plants have a population of scales, and there's black mold on the upper sides of the leaves, I'd say the plants have developed sooty mold. The best control is to remove the scale insects (the cause of the problem) and the sooty mold will eventually weather away. One way to remove the scales is to squish them, or peel them off the stems and branches of your plants.

If you find webbing on the plants, there could be a colony of spider mites in residence. These little insects like dry conditions and you can discourage them with regular mistings (using plain water), making sure you reach the undersides of the leaves and the junctions between the leaves, stems and branches.

You'd benefit from another opinion of the problems you've found with your plants. Seek the free advice of your local Cooperative Extension office. (910-893-7530) The helpful folks there will provide treatment recommendations after a positive diagnosis of the problems.

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