Mulching Bulbs. Bulbs lie dormant, to all appearances, overwinter, and should be thoroughly mulched to insure that they do notstart to grow in any unseasonable warm spell of weather, and also inorder to prevent heaving. Mulch with straw or leaves to a depth offour inches to six inches, but do not add this mulch too early; waittill a fairly thick crust has been frozen over the ground. Lilies alwaysrequire heavy protection and will succeed better in partial shade.Remove the mulch or litter in spring before warm weather and afterdamage from freezing is past. The coarse part of the mulch shouldbe picked off carefully, care being taken not to injure the tops of