Made in Denmark since 1969, stonewool is widely recognized as the ideal growing substrate. For any growing application, stonewool offers speed, ease of use, and cleanliness. Grodan stonewool is known for its quality, consistency and performance.
A perfect soil conditioner composed of millions of cells which store air and water. No food value. Often a key ingredient in soilless potting mixes, Vermiculite is prized for its ability to retain moisture. This coarse vermiculite is especially well-suited to creating soil and soil-less mixes tailored to the needs of specific plant types.