One of the most desirable attributes of perennials is that they don’t need to be replanted each season. They are the foundation of large showy borders and reward us year after year with lots of flowers and showy foliage.
Perennials are herbaceous plants that have fleshy, soft sometimes woody stems that die back in the winter. The crown remains alive and sends new growth up in the spring time.
Once we have our first frost many perennials can be pruned down to about 3-4” above the ground.
However there is a group of perennials that are better left until we are past our last frost which is usually around the 15th of March. This list includes lantanas, salvia, plumbago, and cupheas.