Certifications & Affiliations
STA Certified
Hsu Leaf Compost is STA Certified through the United States Composting Council (USCC)
Learn more about STA certified products by clicking here.
100% BioBased
As of January 2012, Hsu Leaf Compost was accepted into the U.S. Department of Agriculture BioPreferred program as 100% BioBased through extensive lab testing.
Learn more about the USDA BioPreferred Program by clicking here.
 |  |  |  |  |