I have flowering quince that has gone out of control due to several years of neglect. In a perfect world, it would be nice to have this be a small shrub or trained onto a fence (since it is growing near a fence, but not trained onto it currently). I am looking for suggestions on how to renovate the quince to either be trained onto the fence or into a small shrub. Should I cut it down to the ground, and restart? Alternatively, should I try to prune several canes to the ground and try to trim using a hedge trimmer to get it back in shape? For either of these options, when would be the best time to do it? Thanks for your help.