Identifying these Pink and White Flowers

Question

I photographed this flowering shrub in Minnesota last summer. It had pink to white flowers with 5 petals in many clusters and serrated leaves:

I've tried to identify it myself, but so far none of my searches have given me enough to go off of. Can anyone tell me what it is?

Answer 1

This is a Spiraea shrub. Here is a general article on the genus: https://en.wikipedia.org/wiki/Spiraea.

There are 10s of species and probably hundreds of cultivars. One of the most common garden Spiraeas is S. japonica.