Its Organic Materials Review Institute (OMRI) certification shows that the potting soil is all natural and free from chemicals, and the processes used in its manufacture are nontoxic. The mix is a ...

OMRI-Listed NutriHarvest® Fertilizers Meet Standards for Certified Organic Growing NutriHarvest® fertilizer application was a no-brainer. Our carrots were gorgeous! Our sweet potatoes grew so big.