Available in bag and bulk
WM EarthCare™ compost, made from local yard trimmings and residential food scraps, carries the industry’s seals of excellence. Our three composting facilities in Northern California: Alameda, Marin, and San Joaquin counties, serve the unique needs of their communities and follow a rigorous quality control process to produce stable and mature compost.
Compost contributes to soil structure, enhancing moisture retention, aeration, drainage, and tilth. Apply two to three inches each year to add slow release of nutrients to your soil. This process is especially beneficial in fall and spring.
Brushy Peak Compost
Altamont Landfill, Alameda County
Dedicated to quality, Brushy Peak Compost, produced at a state-of-the-art covered aerated static pile (CASP) is a convenient solution for bay area builders and landscapers.
Redwood Landfill, Marin County
Approved for organic farming application, Homegrown Compost is popular with Sonoma and Napa vineyards as well as home gardeners, landscapers, and municipalities. It is produced from a state-of-the-art CASP facility at the Redwood Landfill.
Central Valley Gold
Central Valley Compost, San Joaquin Valley
Located in the rich agricultural area of San Joaquin Valley, and approved for organic farming application, Central Valley Gold is popular among ranchers and farmers as well as home gardeners, landscapers, and municipalities.
State-of-the-art covered aerated static pile (CASP) facilites at the Altamont Landfill (above) and Redwood Landfill (above right)
Benefits of WM EarthCare Compost Products
Compost carries the industry’s standards for quality:
- US Composting Council Seal of Testing Assurance (STA)
- Organic Materials Review Institute (OMRI)
- Nutrient label of the California Department of Food and Agriculture (CDFA)
Helps put organic matter back into the soil, reducing the need for chemical fertilizers.
Helps retain moisture, reducing irrigation demands.
Suppresses weeds and plant pests.