Here's when to put the pruners away.

Pruning is a big part of raising healthy plants that will continue to flourish year after year. Some plants shouldn't be pruned at all, while others should be cut way down — sometimes to the ground.

There are several types of hydrangeas, and each type needs to be treated differently. For example, some will only flower if you prune them in the right season.

Be especially cautious when deadheading cascade hydrangea. "Cascade hydrangea blooms on new and old growth and should only be deadheaded to the first set of leaves to allow the plant to produce the ...