Thing is branches wither and they selected leaving only the buds should be careful in pruning the blur. Because, from bud and leaf shoots same branches of branches is blurred is not.
It is important not just flower blooming pruning, leaf shoots firmly left cut branches. August until the end and good I think.
Branches would grow, let me to always leave the leaf shoots. But I think with it from good cut branches stretched high to bad shape of the blur is.
Introducing the blooming flower gardening tips!