Sustainable Stone Wool Choice for Professional Growing

Speedgrow™ Green’s all natural binder has none of the chemicals found in traditional stone wool products, is dye and colorant free, and requires up to 70% less energy to produce. Speedgrow™ Green stone wool is sterile and thus free of diseases, insects, and weeds. The optimal balance of water holding capacity and porosity leads to healthy, fast-growing plants!

Ideal for Hydroponic Gardening

All Natural Binder

Promotes Healthy Root Systems

Sustainable

Disease-Free Growing Medium

Speedgrow™ Green’s all natural binder has none of the chemicals found in traditional stone wool products, is dye and colorant free, and requires up to 70% less energy to produce. Speedgrow™ Green stone wool is sterile and thus free of diseases, insects, and weeds. The optimal balance of water holding capacity and porosity leads to healthy, fast-growing plants!

  • Ideal for hydroponic growing
  • All Natural Binder
  • Promotes healthy root systems
  • Sustainable
  • Disease-free growing medium
Speedgrow Cubes
Speedgrow Cubes
  • Ideal for hydroponic growing
  • All Natural Binder
  • Promotes healthy root systems
  • Sustainable
  • Disease-free growing medium
Available Products

Speedgrow Green Starter Cube

Starter Cubes are made out of excellent material with a vertical fiber structure ensuring a perfect control in the germination or “seed to plant” stage. The holes in the block fit the Speedgrow Green plugs. The grooves below the Speedgrow™ Green blocks ensures ideal circumstances for rapid root penetration into the slab.

Available in 1.5in and 3in Cubes. Also available in a Retail 14pk of 3in cubes.

Speedgrow Green Big Cube 6in and 8in

Big Cube blocks are made out of excellent material with a vertical fiber structure ensuring a perfect control in the germination or “seed to plant” stage. The holes in the block fit the Speedgrow™ Green plugs. The grooves below the Speedgrow™ Green blocks ensures ideal circumstances for rapid root penetration into the slab.

Available in 4in, 6in and 8in cubes.

Speedgrow Green Plug Trays

The superior high density wool used in the germination plugs ensures a maximum water absorption capacity. Speedgrow™ Green plug trays are known for their extremely homogeneous start of the seedlings. The Speedgrow™ Green plugs are designed to fit easily into the cubes or slabs once plants have been established.

Available with 1.5in plugs in a 84 count plug tray – 16in x 12in x 2in. Also available in a retail package.

Speedgrow Green Slabs - Stonewool Growing Media Slabs

Light-weight stone wool growing slab with superior rooting qualities. Excellent for hydroponic growing. Insert your Speedgrow™ Green plugs or cubes into the slab for a continued growing cycle.

Available in two sizes: 40in long x 6in wide x 3in high and 52in long x 6in wide x 3in high.

Available Products

Speedgrow Green Starter Cube

Starter Cubes are made out of excellent material with a vertical fiber structure ensuring a perfect control in the germination or “seed to plant” stage. The holes in the block fit the Speedgrow™ Green plugs. The grooves below the Speedgrow™ Green blocks ensures ideal circumstances for rapid root penetration into the slab.

Available in 1.5in and 3in Cubes. Also available in a Retail 14pk of 3in cubes.

Speedgrow Green Big Cube 6in and 8in

Big Cube blocks are made out of excellent material with a vertical fiber structure ensuring a perfect control in the germination or “seed to plant” stage. The holes in the block fit the Speedgrow™ Green plugs. The grooves below the Speedgrow™ Green blocks ensures ideal circumstances for rapid root penetration into the slab.

Available in 4in, 6in and 8in cubes.

Speedgrow Green Plug Trays

The superior high density wool used in the germination plugs ensures a maximum water absorption capacity. Speedgrow™ Green plug trays are known for their extremely homogeneous start of the seedlings. The Speedgrow™ Green plugs are designed to fit easily into the cubes or slabs once plants have been established.

Available with 1.5in plugs in a 84 count plug tray – 16in x 12in x 2in. Also available in a retail package.

Speedgrow Green Slabs - Stonewool Growing Media Slabs

Light-weight stone wool growing slab with superior rooting qualities. Excellent for hydroponic growing. Insert your Speedgrow® Green plugs or cubes into the slab for a continued growing cycle.

Available in two sizes: 40in long x 6in wide x 3in high and 52in long x 6in wide x 3in high.