Black Spot on Silver Princess
Our Silver Princess has black spots on its leaves, even the new growth. It looks healthy and is growing well. What can we do, please?
Certified GKH Gardening Expert
This is called black spot fungus. It is not normally fatal to plants but does look unsightly. Treat the plant with a fungicide and this should help clear it up. If possible, water it from below, rather than above, as overhead watering can aggravate the problem. This article will also help: