Grow Rocks

Growstones

Growstones are an effective growing media for vegetables, fruit, and flowering plants including tomatoes, orchids, strawberries and gerbera daisies. They can be used in hydroponic grow systems as simple as manually irrigated containers, or as advanced as...

Vermiculite 3.5 Cubic Foot Bag

Vermiculite is mica heated to 1,400 degrees, expanding it into particles capable of holding much air, water and nutrients. The mineral itself contains potassium, magnesium and calcium available in slow release. It has an absorbent capacity for fertilizer...