Floribunda rose bushes are very abundant plants that grow to about 4 feet high and 3 to 4 feet wide. Their shape is usually a rounded one. They have consistent blooms in the spring and summer and do very well when planted in the sun. Floribunda roses are hardy and disease resistant. The leaves are glossy and medium green in color. Prune floribunda rose plants regularly, once a year, to maintain the plant's best shape and health.
Wait until the roses are in their dormant season to prune them. In some climates, the bushes maintain some of their leaves all year long, but you should still wait until they're in their slow-growing time.
Use pruning shears to remove diseased and dead leaves, as well as dead wood and canes. Also cut off canes that have deep ridges in them, as they are too old. This unwanted wood is taking nutrients from other parts of the floribunda rose plant and blocking the sun from getting to the rest of the plant.
Clear away leaves and grass from around the base of the rose bush. They may be holding diseases or insects.
Prune off branches that are in the center of the bush if they cross over each other or rub up against one another. Remove the thinnest canes and keep the ones that are green and healthy.
Cut off green canes if they are growing from old, straited canes. Keep the green canes only if they are growing from healthy buds.
Make all cuts as close as you can to the bud union. Stubs are open wounds that can attract insects and disease.
Look inside the plant's tissue when you make cuts. Make sure the inside is white and not brown. If it's not white, keep trimming the branch or cane until you see white, healthy tissue.
Pull off suckers that grow below the bud union. There are long, skinny, flexible canes. Cutting suckers will result in the growth of new ones, so pull the sucker down and off the floribunda rose bush.
Perform a moderate prune on established floribunda rose plants. Cut stems to one-third their length to invigorate their growth.
Paint all stubs and cuts with a sealing compound. This will protect the wounds from pests and disease infestation.