Best way to prune this flowering shrub?
Good morning, sorry for being so vague with 'flowering shrub', but I don't know what this shrub is called. Its now finished flowering and last year I chopped it back in July, and its second flowering wasn't so good. Is it okay to prune it now? if yes how much should I take off and where? Is it okay to use the one third rule? Or can it be pruned more harshly. Thanks for all your help.