Wood chips, bark, straw, compost, and stone serve different jobs and age differently.

How to plan it
- Choose based on planting, foot traffic, and appearance
- Check how the product is sold: bags, yards, or tons
- Plan for renewal of organic material over time
Check before buying: Stone lasts longer but can increase heat and does not improve soil.
Turn this into a quantity
Record your site measurements first. Then use a calculator with the depth, application rate, or coverage from the actual material specification.
Open pea gravel calculatorSource and limits
University of Minnesota Extension: Mulching for soil and garden health. Local conditions and manufacturer guidance may call for different materials or installation details.