Don’t let your climbing roses grow straight toward the sky. Climbers must be trained horizontally to a 45 degree angle in order to bloom along the entire stem. If they grow vertically, you will only get a flower at the tip of the cane! It’s best to train stems when they’re young and flexible. Once they’re older, they solidify into hard branches you can’t move. Pay attention to your climbing roses and train them once a month from spring through fall. Weave the canes so they fill in gaps and don’t