They could be pruned, but that would go against their wild, rambling.
Oct 17, Azaleas and Rhododendrons. This is perhaps the largest group of shrubs that are typically left unpruned. Azaleas and rhododendrons (Rhododendron spp.) naturally have an elegant, compact shape. They can end up looking butchered when pruned bushes that dont need to be trimmed, the more you prune them, the fewer flowers there will be next year.
Rhaphiolepis indica, the Indian hawthorn, offers a strong choice for an informal hedge. These mounding, compact evergreen bushes require little care and only grow to about 5 feet tall. Apr 20, If you need to maintain size or remove dead wood, prune immediately after buds bloom to avoid snipping off next year’s blossoms.
Summer-flowering shrubs, such as Estimated Reading Time: 5 mins. Apr 23, Binetti applauds this ground-cover shrub rose for its resistance to disease and insects- meaning there's no need to spray them. Little pruning is necessary, and they flower all summer long. Little pruning is necessary, and they flower all summer long.
Oct 07, Cut Back: Chrysanthemum. This vibrant star of fall’s flowering plants can be cut back after they’ve bloomed or been hit by a hard frost. Trim the plant down to about six or eight inches from the soil. Leaving some of the stems can help hold leaves or other mulch that can insulate the plant from harmful freeze-and-thaw stumpmulching.barted Reading Time: 5 mins.