1.   Alternate layers with evergreen boughs and avoid oak leaves, which mat down into an especially dense mass.

2.   After the ground freezes, mulch them with a layer of evergreen boughs from discarded Christmas trees.

3.   Evergreen boughs work fine, too.

4.   Evergreen boughs are ideal insulation.

5.   I ducked to avoid evergreen boughs laden with heavy burdens of snow.

6.   If the ground stays bare, mulch with straw, leaves, or evergreen boughs.

7.   Make sure they go into winter well watered, and, for protection, cover them with evergreen boughs after the ground freezes.

8.   One effective insulating tactic is to lay down evergreen boughs, which are available in abundance after Christmas when trees and wreaths are discarded.

9.   Protect a shrub or ornamental tree trunk by surrounding with a cage stuffed with horizontally placed evergreen boughs.

10.   Snow draped the evergreen boughs of the spruce and balsam fir trees in fresh white.