Kent,
United Kingdom 
Sorry another one, I planted a spirea bridal wreath think that is what it is called has tiny white flowers I love it only this year though. Do I prune it now it has flowered thank you
11 May, 2015
The best time to prune spring-blooming spireas is immediately after the shrubs finish blooming. As with any pruning project, start by removing dead, diseased, spindly, or split branches. Prune these branches back either to the ground or to a spot where they join a healthy, live branch.
Read more : http://www.ehow.com/how_2272118_prune-bridal-wreath-snowmound-spiraeas.html
12 May, 2015