The ideal growing media for seed starts, microgreens, baby leaf crops and more. Thinnest Grodan® available. 10 x 20 inch mat fits in most propagati...

Same quality, same value-priced, half-sized cases. Driest value-priced rockwool on the market. Made at the Grodan® factories. Plain brown half-case...

New Grodan Improved! Improved product at current pricing. New density + new hydrophilic technology = better water distribution and root development...

Light, airy and versatile. Grow-Chunks™ are about 3/4 in square each and can be used in pots, around blocks or alone. They are easily combined with...

Granulated rockwool works great on its own or mixed with other loose media, such as expanded clay rocks or coconut fiber. If planting in containers...

Grow-Cubes™ are small loose 1/2 in cubes of stonewool. Advantages are better aeration, maximum drainage so that you can hardly ever overwater your ...

Mini-Blocks™ sit in a tray (flat) without support for easy starting of seeds and cuttings. These Mini-Blocks™ are individually wrapped in white pla...

MacroPlugs™ are 1.5 in round with a slit that allows easy insertion of a cutting. These loose round plugs fit perfectly into the Gro-Block™ hole. F...

A-OK Starter Plugs™ for starting seeds and rooting of cuttings prior to plugging into the larger Gro-Blocks. A-OK Starter Plugs™ come labeled with ...

Gro-Slabs™ provide the final stage for growing a spectacularly large plant. Transplant your Gro-Block™ plant onto a slab just like professional gro...