To divide phlox, cut around the root ball with a sharp spade, then gently lift the plant out from the ground. Remove excess dirt from the roots. Separate the roots into sections with three or more shoots and adequate roots with a sharp, clean knife. Plant these new divisions immediately and water them thoroughly. How do you divide text? split text in excel.

When should phlox be split?

When to divide phlox As a general rule, you should divide every two to four years and you should only do it in the spring or the autumn. The reason for this is you want to divide when your plants have no flowers or are producing very few flowers but not when they are in they are actively growing.

Do you cut down tall phlox?

Creeping phlox remains evergreen so it never requires trimming in fall. In areas without heavy winter snows, cut back tall phlox varieties once the plants die back naturally in late fall or early winter. Prune the plants to within a few inches of the ground.