Expand 'n Gro loosens and aerates soil in the ground — soil is up to 40% lighter, and the mix creates up to 90% more air space for plant roots. The all-natural fibers in the mix hold 50% more water than basic potting soil and release it as plants need it.
According to the company, it feeds plants for up to six months.
Expand 'n Gro is available in Ohio, Pennsylvania, West Virginia, Maryland, Delaware, Indiana, Illinois and Michigan.
Click here for a $3-off coupon through July 30.