Mulching has many benefits. It can provide nutrients for plants, lock in moisture ... Generally, the finer the material, the quicker it rots. Cocoa shell is ideal for flowerbeds.

And instead of wandering through your garden, trying to identify the plants in need of a little mulching, we've tapped the experts' minds for some insider information to simplify the chore.

Q: I have recently planted some rose bushes in my backyard and have heard it's a good idea to mulch them. What material should I use? A: A layer of mulch helps soil retain moisture, protects roots ...