This article reviews the most common problems and how to treat them.
23+ Hydrangea Leaves Turning Brown On Edges. A hydrangea with brown leaf margins is likely suffering from a cultural problem, disease or pest infestation. If you use too much fertilizer it could cause the symptoms and as a direct result increase the susceptibility your plants have to infection.
Little Lime Hardy Hydrangeas Leaves Dying Ask An Expert from ask.extension.org
I live in zone 6b and the plant gets mid morning sun through afternoon. The tops of leaves turn brown or yellow and eventually fall off. The most common reason your stromanthe's leaves are turning brown on the edges could be due to your tap water.
If your tree has been prolific prior to this problem, and has a good solid root structure, it will probably regenerate foliage over time once it is consistently receiving enough water.
The other issue could be a phosphorus shortage in soil, especially if leaves. I have two endless summer hydrangeas and they were doing great for about 2 months after i got them. Why do the edges of my hydrangea leaves turn brown? To confirm, look for brown spots on leaf edges.
