Paniculata fertilizer question
For those with a lot of hydrangea experience, what do you recommend as far as fertilizing paniculatas? I have a lot of Limelights, and some have never been fertilized. They seem to do well, but would they do better with fertilizer?
From the Proven Winners site: "Fertilize in early spring by applying a slow release fertilizer specialized for trees and shrubs."
I would have thought regular tree and shrub fertilizer would have too much nitrogen for such a heavy bloomer.
Also, I've seen statements here that hydrangeas prefer a more acidic soil. I always thought that was only if you had a mac that you wanted to be more on the purple/blue side. Do all hydrangeas like the soil more acidic, even paniculatas?
Thanks for any insights you can provide!