Growing Media

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 ...

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

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-Blocks™ are similar to a plant container. Need a 3 in pot? Then choose a 3 in Gro-Block™. Small plants can be fully grown in our larger Gro-Blo...

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...

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

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

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

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...

GRODAN GRO-WOOL™ is a water-absorbent granulate consisting of premium rockwool. Particularly practical in hanging baskets or outdoor raised garden ...

Pargro QD (Quick Drain) offers an economical alternative to other rockwool products, without skimping on quality. Because Pargro skips the frills, ...

Pargro QD (Quick Drain) offers an economical alternative to other rockwool products, without skimping on quality. Because Pargro skips the frills, ...

Pargro QD (Quick Drain) offers an economical alternative to other rockwool products, without skimping on quality. Because Pargro skips the frills, ...

Pargro QD (Quick Drain) offers an economical alternative to other rockwool products, without skimping on quality. Because Pargro skips the frills, ...

Pargro QD (Quick Drain) offers an economical alternative to other rockwool products, without skimping on quality. Because Pargro skips the frills, ...

Pargro QD (Quick Drain) offers an economical alternative to other rockwool products, without skimping on quality. Because Pargro skips the frills, ...

Pargro QD (Quick Drain) offers an economical alternative to other rockwool products, without skimping on quality. Because Pargro skips the frills, ...

Pargro QD (Quick Drain) offers an economical alternative to other rockwool products, without skimping on quality. Because Pargro skips the frills, ...

Stonewool is a state-of-the-art growing substrate preferred by hundreds of hydroponics gardeners. Seeds or cuttings are started in these Grodan Min...

The Uni-Slab™ combines all the benefits of Grodan’s traditional slabs with the versatility of a block. Its large size gives great stability for any...