I notice in our database, for one of the Knock Out Roses it lists zone 4b and for another it lists zone 5 and higher. I'd do as suggested and mulch, mulch, mulch and wait until warm weather in spring to do any pruning. http://garden.org/plants/searc...
~ I'm an old gal who still loves playing in the dirt!
~ Playing in the dirt is my therapy ... and I'm in therapy a lot!
