Question
I have a fairly new blue hydrangea plant. It is blooming nicely and growing well. It's planted in a sunny area in my front yard on a slight hill. The problem is that the leaves are turning brown and have dark brown spots. Please let me what I can do to keep the leaves green and lush.

Answer
Hydrangeas are very thirsty plants.  Since yours is recently planted, in full sun and on a slope, it is very possible that it simply is not getting enough water.  Another possibility would be some kind of a fungal disease, but I do not have enough information to diagnose one.  If you can eliminate lack of water as the problem, apply a fungicide that is labelled for hydrangeas.