Know your grass type before you cut. For cool-season grasses, trim off no more than two-thirds of the stems to avoid stressing these plants. In contrast, warm-season grasses need to be cut back to the ...
Diseased or pest-contaminated plant material is an exception; it should be cut back in the fall and properly disposed of (not ...
The common wisdom is to cut back dahlias in fall after the first hard frost, but can you cut them before the frost? Here's ...