Some of the leaves on my flowering Camellia have yellow patches on them. The discoloration is only on new growth on the south-facing side of the shrub. Some of the leaves show physical damage, but others don't. The Camellia was here when I bought the house, so I don't know what variety it is, but it has pink double flowers.
What is causing this? If it's something that I need to treat, how do I do that?
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