Mulch can be almost any loose aggregate material that will stay put and not significantly reduce air exchange out of the soil. But what kind is best?

Ahead, experts weigh in on how to use wood chips in the garden. Related: 13 Types of Mulch—and How to Choose the Right One for Your Yard Wood chips are an inexpensive and easily sourced material ...

The answer depends on what type you have and when it blooms ... thus are not a quick source of nutrients. Wood chips are best used for mulch to keep weeds down and then added to the garden ...

Mulch fills many important functions such as weed suppression, reducing wind erosion, and moderating soil temperature.

And in removing those trees, we grind up the trees and we make mulch, wood chips out of them," explained Matthew Morrison, an urban forester at the National Mall and Memorial Parks. “So ...