This sounds easy enough, but we wanted to double-check we had our facts straight.

We turned to a few experts to ask for their top mulch tips.

Meet the Expert

David McCaryis the co-owner ofSeattle Sustainable Landscapes, a full-service landscaping company.

Replacing garden mulch on a garden bed

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Can You Reuse Mulch Next Year?

When they lose their aesthetic, it may make sense to remove them, McCary says.

Personally, I would add dark fine mulch on top and allow them to become soil over time.

Image: coir mulch in wheelbarrow.

Last year’s mulch can typically be used again in this year’s garden.David Beaulieu

Want more gardening tips?

Theres no reason to remove it.

Generally, if the mulch is fine, leave it where it is and add more, says McCary.

Mulching shrubs

ozgurcosghun / Getty Images

Allow it to break down and become soil over time.

Know why you’re using mulch in the first place.

If youre trying to suppress weeds, McCary says youll want a healthy layer to prevent unwanted plant growth.

This garden terrace behind a slate rock wall has just been completely weeded and cleaned up with fresh mulch spread evenly on the ground surrounding ornamental bushes and flowers

Willowpix / Getty Images

Willowpix / Getty Images

McCary also offered a handy guide for the most common types of mulch.

Common Types of Mulch