my spirea bush
I have a bush last year with hardly had any leaves yet a lot of flowers. I thought it was because of the winter. This year it has a few more leaves, not many, and a lot of flowers. Does it need a fertilizer or food? Should I prune it after it's done blooming and see if that helps?
You have the right idea - pruning. Here is an article which will show you what can happen when you rejuvenate your spirea with a pruning:
For more information on growing spirea, please visit the following link: