Spiraea is the Latin word for these plants, and the English word is spirea. I think that the words are pronounced the same. Generally, I just use spiraea (instead of switching back and forth).
We have six spiraeas in the yard: two spring-blooming and four summer-blooming. The pictures of the two bridal veil spiraeas are from April, and the pictures of other four spiraeas are from June (although I think most are still blooming now in July).
bridal wreath spiraea: Spiraea prunifolia:
Spiraea x bumalda ‘Candlelight’:
Spiraea japonica ‘Bullata’:
Spiraea japonica ‘Shirobana’:
Spiraea x bumalda ‘Flowering Choice’:
I heard Ciscoe Morris say once how to prune spiraeas, but I really don’t remember what he said. I think I will likely need to look it up, because some of these plants are getting somewhat large (or at least I don’t want them much bigger).