A Backyard with Mulched Areas

Photo By Southview Design

A Backyard with Mulched Areas

Here's a general rule for when to mulch a yard: Wait until after a hard frost in the fall to apply winter mulch. You don't want to apply it too early in the fall because mulch can delay the soil freezing process by retaining heat in the soil, according to experts with The Morton Arboretum in Illinois.