What do I use to treat my port wine magnolia as it has black spots on the leaves?
My port wine magnolia has black spots on the leaves, what is best to treat it with
Without seeing a photo, we cannot be totally certain of a diagnosis but the black spots on your port wine magnolia may be scale insects. These sap sucking pests can be treated with a Nature's Way Citrus & Ornamental Spray.
Answered: 12 Sep, 2015