In the summer, prune rose bushes to remove dead or diseased branches. Make the cuts one inch below the diseased branch, so only healthy wood remains. Summer is also the time to look for any branches in the center of the bush that are growing across each other.
Prune away the weaker of the branches that cross each other. Prune the bush to make it more open in the center. This will increase air circulation and help prevent diseases. Since rose bushes send out new growth from the bud just below a pruning cut, try to make pruning cuts above a leaf bud facing out from the center of the plant. Make a cut ¼ inch above the bud and angled at the same angle as the bud.
Roger shows us an easy way to hard prune a bush rose in spring to encourage more flowers later in the summer. Apr 01, A light pruning removes less than a third of the plant. If a rose has a nice natural shape with good bloom and little disease, you can be very selective about your cuts. A moderate pruning cuts the plant down to 18 to 24 inches high with 5 to 12 canes coming from the base. If pruned properly, your rose bush will thrive for years and produce the most beautiful blooms.
Feb 13, Prune to the height you want your rose bush to be, keeping a fairly consistent height throughout. If it is in the back of a border, leave it a little higher; for the front of a border, trim lower. For hybrid teas in particular, the lower you prune, the bigger the flower and longer the stem - good for cutting and exhibiting.