When to prune? Roses are best pruned in the spring. In Kansas City, prune during the first week or two of April, after the threat of frost has passed. Why prune every spring? Encourages more flower production; Improves the health of the bush by opening the center of the plant to light and airflow; Removes damaged and diseased canes. Make the pruning cut at least 1 inch below the black discoloration so that the live tissue remains.
Once the deadwood is removed it is now time to shape the bush. Remove pencil size canes to the Estimated Reading Time: 3 mins. Shrubs that bloom on current season’s growth, or that do not produce ornamental flowers, are best pruned in late winter to early spring.
Examples of these include: Rose of Sharon, Japanese spirea, butterfly bush, blue mist spirea and; burning bush euonymus.
Pruning during the spring allows wounds to heal quickly without threat from insects and disease. climbers should be pruned after the blooms fade.
Shrub, old garden, and species roses should be pruned in the spring to maintain size and shape. Deadheading. Fading or spent blooms on repeat blooming rose bushes should be removed, deadheaded, as shown on the left, throughout the growing season.
After mid. Use the following table to determine the right time to prune your shrubs in the greater Kansas City area. Legend:= Best time to prune: x = Do not prune except to correct damage, hazards, or structural defects Revised for Kansas and Kansas City area conditions by Dennis Patton, Johnson County K-State Research and Extension Horticulture.