Q.I Planted Limelight Hydrangeas In August. They Have Done Quite Well, But Just Recently The Leaves Have Started Turning Yellow With
some black spots. They also have recently bloomed, I don’t know if they’re yellow from the season or if I’m over, or under watering, please help!
Certified GKH Gardening Expert
Unfortunately, your photos did not come through. I am unable to see, exactly, what the symptoms are. I can assume that the cool weather has taken hold of your shrubs, and I am seeing the same thing in my area. This is a normal process before colder weather. These articles will help you with your shrub:
https://www.gardeningknowhow.com/ornamental/shrubs/hydrangea/tree-hydrangea-growing.htm
https://www.gardeningknowhow.com/ornamental/shrubs/hydrangea