Many flowers in your garden won't require shaping or pruning, but roses benefit greatly from being cut back. These classic perennials reawaken each spring after the dormant season, filling the garden ...
but winter is just fine in the South. Although 'Knock Out' is marketed as a compact shrub, over time it gets pretty big and can grow leggy. A neighbor of mine has a 'Knock Out' hedge that's 6 feet ...