Answer: It is unlikely your magnolia is diseased - it's too new. More likely it is showing signs of transplant stress, especially since it was planted during the hot summer months. The summer sunshine is taking its toll and as the roots struggle to adapt to their new growing site, the leaves are also being stressed. The good news is that the affected leaves will be shed and new leaves will emerge as soon as the magnolia re-establishes its root system. The best thing to do at this point is to water it deeply to encourage deep roots. Once or twice a week is all it should need. You'll see an improvement as the weather cools and over the winter months your magnolia will settle in. By next spring it should be healthy and productive. Good luck with your landscape!
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