The Daily Southerner —
Many a gardener has stood before a favorite rose shrub with pruners in hand, hesitant to make the first cut. Thorns aside, it can be downright intimidating to cozy up to a shrub rose to try to direct its future growth and flowering.
Fortunately these plants don't need a lot of pruning and are very forgiving. Their fast growth will soon cover any pruning cuts, and their informal shape doesn't necessitate taming. With some basic tools and guidelines, you can tidy up the plant and encourage abundant flowering.
The main reasons to prune a rose are to remove dead and damaged canes, increase blooming, and decrease disease and pest problems. The best time to prune is early spring just before new growth begins, but remove spent flowers and dead canes whenever they occur. The goal is to keep the center of the shrub free of twiggy, weak growth that's especially susceptible to attack by insects and disease.
Collect your equipment. Pruning thorny rose shrubs requires sturdy, thorn-proof gloves and safety glasses to protect your eyes. Look for elbow-length gloves at garden centers. You also need a pair of sharp hand pruners for canes up to 1/2 inch in diameter. Use long-handled loppers or a small pruning saw to cut larger stems and to reach into the center of dense shrubs.
Inspect your rose plant. First, identify all dead and damaged canes. Next, locate long thin canes and canes that grow from below the graft union, if the plant is grafted. Lastly, look for canes that rub against or crowd each other, especially if they're growing through the center of the bush.
Determine where to cut. Prune canes back to buds that face the outside of the shrub. Cut the spindly canes back by half their length or to 2 to 3 feet long. Cut or break off canes completely that grow from below the graft union. Remove diseased canes, and those that rub or crowd, back to healthy, outward-facing buds. If you see brown tissue in the center of a cane when you cut it, prune a little farther back until the tissue is clear and healthy.
In cold-climate areas, wait to prune until the buds just begin to swell in spring. Then it's easy to tell the difference between healthy canes and buds and those that didn't make it through the winter.
Make the right pruning cut. Make your cut about 1/4 inch above a healthy bud and at a 45 degree angle. The bud and the high point of the cut should be on the same side of the cane so that water will drain away from the bud. To prevent the spread of disease, clean your pruning tools between shrubs with a mix of one part bleach and nine parts water.
Fertilize after pruning. To encourage flowering, use a rose fertilizer as recommended on the label.
Remove spent flowers. To encourage repeat flowering, use hand pruners or scissors to remove flowers as soon as they finish blooming. Cut each flower stem back to the next lower set of leaves. (No longer is it recommended to cut back to a 5-leaflet leaf because this removes too much foliage and can slow reblooming.)
For more tips and garden information visit www.garden.org
A former floral designer and interior plantscaper, Kathy Bond-Borie has spent 20 years as a garden writer/editor, including her current role as Horticultural Editor for the National Gardening Association. She loves designing with plants, and spends more time playing in the garden - planting and trying new combinations - than sitting and appreciating it.
Courtesy of Family Features
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Pruning a Shrub Rose
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