Pentas plants, or Pentas lanceolata, can become leggy if you don't stay on top of pruning. You'll know it's time to cut these plants back when a few of the branches are taller than the rest of the ...

"Pruning smaller perennial plants also helps them achieve easier recovery in spring," continues Ian. "Plants such as clematis, peonies, salvia, yarrow, and irises are great examples of this." 3.

Your landscape and flower gardens are full of summer blooms. Now it’s time to prune those spring-flowering plants.

Pruning in summer can be just as fruitful as pruning in the spring and winter. Here a garden expert recommends 5 plants to prune in August and how to do it.