Espoma Greenrock

America's Gardens Nursery Verified independent store

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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 essent ial 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. Show more