Soil, compost, & mulch
Support the Master Gardener Program
Throughout this site there are links to documents of various file types. Please contact our Statewide Program Leader if you require this information in a different format.
Soil, compost, and mulch publications
For additional information:
- WSU Hortsense
- WSU Gardening Publications
- USDA Hardiness Zone Map
- Growing Your Own (OSU-English downloadable version)
- Su Propio Cultivo (OSU-Spanish downloadable version of Growing Your Own)
- Growing Your Own OSU- print version available to purchase
