Espoma Organic GreenrockTM is an ideal supplement for all your flowers, vegetables, trees and shrubs. It provides an all-natural source of iron, magnesium and calcium. These essential nutrients help promote plant growth, vigor and deep, dark green color. Espoma Organic GreenrockTM is made from 100% pure basalt, a volcanic mineral formed under intense heat and pressure over millions of years. And because every ounce is packaged in our state of the art, solar powered plant, quality and consistency are guaranteed.
Please contact us for current pricing and availability.