Growing Media

  • Sunshine Advanced Ultra Coir 2.0, 2 cu ft
    Sungro/Sunshine Advanced

    Sunshine Advanced Ultra Coir 2.0

    A step up from basic coconut coir for all your hydroponic growing. Use Ultra Coir alone or as an amendment to add texture to your soil. Ultra coir will hold and release moisture just when plants need it most. The formula is myco-active; we use only...
    $17.25
    $25.95
  • SunGro Horticulture Organic Planting Mix, 1.5 cu ft
    Sungro/Sunshine Advanced

    Organic Mix, 1.5 cu ft

    Get in the mix with Sunshine's organic media. You can rely on this long-tested product to grow your best garden, as it's been developed through university research using professional quality ingredients. You'll find this popular peat-lite formula with...
    $7.18
    $15.95
  • SunGro Horticulture Sunshine Natural & Organic Mix #4, 3.8 cu ft
    Sungro/Sunshine Advanced

    Sunshine Natural & Organic Aggregate 3.8cf bale

    Sunshine #4 Natural & Organic is recommended where high air capacity and fast drainage are needed: during winter months, with water or salt sensitive crops, or where frequent leaching is required.
    $52.38
    $79.95
  • SunGro Horticulture Sunshine #4 with Mycorrhizae, 3 cu ft
    Sungro/Sunshine Advanced

    Sunshine #4 w/ Myco 3cf

    Sunshine Mix #4 with Mycorrhizae is an ideal choice for both indoor and outdoor gardening. This high drainage mix is known for its consistent performance. Formulated with Canadian Sphagnum Peat Moss for increased moisture retention, optimum air exchange...
    $40.50
    $56.95
  • SunGro Horticulture Sunshine Mix #4, 3.8 cu ft (compressed)
    Sungro/Sunshine Advanced

    Sunshine Mix #4 - 3.8 cf compressed

    This quality SunGro product is recommended where high air capacity and fast drainage are needed: during winter months, with water and salt sensitive crops, or where frequent leaching is required. Ingredients:Canadian Sphagnum peat mossCoarse...
    $49.31
    $71.95
  • Black Gold Just Coir, 2 cu ft
    Black Gold

    Black Gold Just Coir (2 c.f.)

    This OMRI Listed low salt organic material is just what the name implies, "Just Coir", actually coconut coir pith. We take the highest quality coir available, rinse it to reduce salts and then reconstitute it from an awkward difficult to use compressed...
    $34.56
    $47.95
  • Black Gold Natural & Organic Potting Soil Plus Fertilizer, 2 cu ft
    Black Gold

    Black Gold All Organic, 2 cu ft

    This rich, loamy mix is one of the best for all gardening applications. Our 100% organic base consists of screened earthworm castings and Canadian sphagnum peat moss. Includes compost and forest humus. Perlite and pumice are added to ensure optimum...
    $20.06
    $27.95
  • Black Gold Natural & Organic Potting Soil Plus Fertilizer, 1.5 cu ft
    Black Gold

    Black Gold All Organic, 1.5 cu ft

    This rich, loamy mix is one of the best for all gardening applications. Our 100% organic base consists of screened earthworm castings and Canadian sphagnum peat moss. Includes compost and forest humus. Perlite and pumice are added to ensure optimum...
    $15.38
    $21.95
  • Sunshine Advanced Mix #4, 3 cu ft
    Sungro/Sunshine Advanced

    Sunshine Advanced Mix #4 3.0

    Formulated with earth-friendly ingredients to retain moisture, provide improved root aeration and drainage, and develop strong, healthy root systems for maximum stem, flower and foliage growth. Peat moss and coconut fiber retain water and nutrients for...
    $41.81
    $57.95
  • The Soil King Big Rootz Tote, 40 cu ft
    The Soil King

    Big Rootz Tote - 40 cubic feet

    BIG ROOTZBig Rootz® is carefully formulated to meet the needs of professional growers, yet it’s so easy to use that even novice gardeners can achieve growing success. Use it for indoor grows or outdoor greenhouses, or add it to existing soil. Big Rootz®...
    $524.44
    $1,391.95
  • The Soil King Big Rootz, 1.5 cu ft bag
    The Soil King

    Big Rootz Bag - 1.5 cubic feet

    BIG ROOTZBig Rootz® is carefully formulated to meet the needs of professional growers, yet it’s so easy to use that even novice gardeners can achieve growing success. Use it for indoor grows or outdoor greenhouses, or add it to existing soil. Big Rootz®...
    $23.50
    $45.95
  • Soil King Baby Rootz, 1.5 cu ft
    The Soil King

    Baby Rootz Bag - 1.5 cubic feet

    Soil King Baby Rootz 1.5 cu. ft. – SKBABY15 Baby Rootz Seed Starting Mix was tested for 2 years, indoors, outdoors, and in greenhouses, to prove performance. Baby Rootz has half the nutrition pack of its big brother, Big Rootz, while still...
    $13.98
    $45.95
  • Grodan Gro-Wool Medium Water Absorbent Granulate Rockwool, 3.5 cu ft
    Grodan

    Gro-Wool Medium Water Absorbent Granulate, 3.5 cu ft

    Granulated rockwool can be used alone or as an amendment to organic based mixes. For example, the addition of water absorbant granulate to peat mixes at 25-50% volume increases water holding capacity and aeration, improving plant growth and shelf life...
    $80.09
    $103.75
  • Grodan Pro Delta 4 Block, 3" x 3" x 2.5" with hole, case of 384, Commercial
    Grodan

    Grodan Pro Delta4 Block, 3"x3"x2.5" w/hole, case of 384,comm

    Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different...
    $137.93
    $210.80
  • Grodan Pro A-OK 36/40 6/15 Starter Cubes, 1.5" x 1.5", 30 sheets of 98, Commercial
    Grodan

    Grodan Pro A-OK 36/40 6/15, 1.5"x1.5", case of 2,940, comm

    Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different...
    $365.74
    $473.55
  • Grodan Pro A-OK 50/40 6/15, 2"x2", case of 1,500
    Grodan

    Grodan Pro A-OK 50/40 6/15, 2"x2" case of 1,500, comm

    Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different...
    $340.94
    $441.35
  • Grodan Pro Delta 10, 4" x 4" x 4" (1,548 Blocks - Loose on Pallet)
    Grodan

    Grodan Pro Delta 10, 4"x4"x4" loose on pallet, 1,548 blocks

    Note: This bulk item is shipped as a full pallet without boxes or retail labeling.Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand...
    $1,180.33
    $1,573.77
  • Grodan MM50/40 6/15 Block, 2" x 2" x 1.5", 60 strips of 24
    Grodan

    MM50/40 6/15 Block, 2"x2"x1.5", 60 strips of 24

    Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different...
    $345.83
    $461.09
  • Grodan Delta 4 Block, 3" x 3" x 2.5", no hole, case of 384
    Grodan

    Delta 4 Block, 3x3x2.5", no hole, case of 384

    Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different...
    $230.09
    $306.78
  • Grodan Delta 5.6 Block, 3" x 3" x 4", case of 256
    Grodan

    Delta 5.6 Block, 3"x3"x4", case of 256

    Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different...
    $230.03
    $306.71
  • Grodan Delta 4 Block, 3" x 3" x 2.5" with hole, case of 384
    Grodan

    Delta 4 Block, 3"x3"x2.5" with hole, case of 384

    Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different...
    $230.09
    $306.78
  • Grodan Delta 10 Block, 4" x 4" x 4", case of 144
    Grodan

    Delta 10 Block, 4x4x4", case of 144

    Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different...
    $189.40
    $252.53
  • Grodan A-OK 50/40 6/15 Cubes, 2" x 2", 30 sheets of 50
    Grodan

    AO 50/40 6/15 Cube, 2x2", 30 sheets of 50

    Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different...
    $444.21
    $575.05
  • Grodan A-OK 36/40 6/15 Starter Cubes, 1.5" x 1.5", 30 sheets of 98
    Grodan

    AO 36/40 6/15 Cubes, 1.5x1.5", 30 sheets of 98

    Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different...
    $508.09
    $657.75
  • Grodan A-OK 25/40 10/10 Cubes, 1" x 1", 30 sheets of 200
    Grodan

    AO 25/40 10/10 Cubes, 1x1", 30 sheets of 200

    The renewed plugs result in a maximum number of useable and homogeneous seedlings. Both form and strength have been greatly improved for good machine and manual processing. Whether sowing or transplanting, the new plug is the solution to achieving a...
    $561.64
    $727.05
  • Grodan Round Macro Plugs w/Slit, case of 2000
    Grodan

    Macro Plug, round plug with slit (2000/cs)

    These rockwool plugs feature a slit for easy insertion of rooted cuttings. They fit perfectly into the hole of any standard rockwool block or any other type of growing medium.
    $348.13
    $450.75
  • Grodan Grow-Cubes, 2 cu ft, case of 3
    Grodan

    Grodan Mini Cubes, 2 cu ft bag, case of 3

    Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different...
    $138.81
    $179.75
  • Grodan Grow-Cubes, 5.3 cu ft (loose in box)
    Grodan

    Grodan Mini Cubes (5.07 cu/ft loose)

    This loose fill, non-bagged product consists of small stonewool croutons about the size of a fingernail. When you use this potting mix the miniature cubes stack on top of each other and air pockets are created throughout the pot. Growcubes are difficult...
    $114.19
    $147.85
  • Grodan Classic 30/75 Slab (wet), 12" x 3", case of 8
    Grodan

    Classic 30/75 Slab (wet), 12"x3", case of 8

    Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different...
    $127.34
    $164.85
  • Grodan Gro Block Improved Mini Block 2" Shrink wrapped/Strip
    Grodan

    Gro Block Improved Mini Block 2" (Shrinkwrap/Strip)

    Grodan ImprovedGro Block Improved Mini Block 2" Shrink wrapped/StripGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and...
    $447.83
    $579.75
  • Grodan Gro Block Improved Mini Block 1.5" Strip
    Grodan

    Gro Block Improved Mini Block 1.5" (Strip)

    Grodan ImprovedGro Block Improved Mini Block 1.5" StripGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and irrigation...
    $393.56
    $509.55
  • Grodan Gro Block Improved Mini Block 1.5" Shrink wrapped/Strip
    Grodan

    Gro Block Improved Mini Block 1.5" (Shrinkwrap/Strip)

    Grodan ImprovedGro Block Improved Mini Block 1.5" Shrink wrapped/StripGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and...
    $495.41
    $641.35
  • Grodan Improved GR40 Uniblock, 8" x 8" x 4", case of 36
    Grodan

    Grodan GR40 Uniblock 8”x8”x4” Baby Mama, case of 36

    Grodan ImprovedUniblock GR40, 8" x 8" x 4"Grodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and irrigation strategies for...
    $164.31
    $212.75
  • Grodan Gro Block Improved GR4 Small 3" w/Hole 3" x 3" x 2.6" Strip
    Grodan

    Gro Block Improved Small 3" GR4 w/ hole (3"x3"x2.6") (Strip)

    Grodan ImprovedGro Block Improved GR4 Small 3" w/Hole 3" x 3" x 2.6" StripGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and...
    $200.34
    $259.35
  • Grodan Gro Block Improved GR10 Large 4" w/Hole 4" x 4" x 4" Strip, (case of 144 blocks)
    Grodan

    Gro Block Improved Large 4"GR10 w/ hole 4"x4"4" Strip

    Grodan ImprovedGro Block Improved GR10 Large 4" w/Hole 4" x 4" x 4" StripGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and...
    $157.88
    $204.45
  • Grodan Gro Block Improved GR7.5 Medium 4" w/Hole 4" x 4" x 3.1" Shrink wrapped/Strip
    Grodan

    Gro Block Improved Medium 4"GR7,5 w/ hole 4"x4"3.1" Shrink/S

    Grodan ImprovedGro Block Improved GR7.5 Medium 4" w/Hole 4" x 4" x 3.1" Shrink wrapped/StripGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone...
    $273.25
    $353.75
  • Grodan Gro Block Improved GR5.6 Large 3" w/Hole 3" x 3" x 4" Shrink wrapped/Strip
    Grodan

    Gro Block Improved Large 3"GR5,6 w/ hole 3"x3"x4" Shrink/Str

    Grodan ImprovedGro Block Improved GR5.6 Large 3" w/Hole 3" x 3" x 4" Shrink wrapped/StripGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool...
    $284.96
    $368.95
  • Grodan Gro Block Improved GR4 Small 3" No Hole 3" x 3" x 2.6" Strip
    Grodan

    Gro Block Improved Small 3" GR4 No Hole (3"x3"x2.6") (Strip)

    Grodan ImprovedGro Block Improved GR4 Small 3" No Hole 3" x 3" x 2.6" StripGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate and...
    $285.04
    $369.05
  • Grodan Gro Block Improved GR4 Small 3" w/Hole 3" x 3" x 2.6" Shrink wrapped/Strip
    Grodan

    Gro Block Improved Small 3"GR4 w/ hole 3"x3"x2.6" Shrink/Str

    Grodan ImprovedGro Block Improved GR4 Small 3" w/Hole 3" x 3" x 2.6" Shrink wrapped/StripGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool...
    $285.01
    $369.05
  • Grodan Improved Hugo 6" x 6" x 5.8", 512 Blocks Loose on Pallet
    Grodan

    Grodan Hugo Improved 6" x 6" x 5.8" loose pallet, 512 blocks

    Grodan Improved Hugo (White Foil) 6” x 6” x 5.8” (512 blocks – Loose on Pallet) Grodan ImprovedGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal...
    $1,602.40
    $1,885.00
  • Grodan Improved Gro-Block, Jumbo 6" x 6" x 4", Case of 64
    Grodan

    Grodan Gro-Block, Jumbo Improved 6" x 6" 4" case of 64

    Grodan Improved Jumbo (White Foil) 6” x 6” x 4” (Case of 64) Grodan ImprovedGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate...
    $166.96
    $216.15
  • Grodan Gro Block Improved GR10 Large 4" w/Hole 4" x 4" x 4" Shrink wrapped/Strip, (case of 144 blocks)
    Grodan

    Gro Block Improved Large 4"GR10 w/ hole 4"x4"4" Shrink/Strip

    Grodan ImprovedGro Block Improved GR10 Large 4" w/Hole 4" x 4" x 4" Shrink wrapped/StripGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool...
    $241.76
    $313.05
  • Grodan Gro Block Improved GR6.5 Small 4" w/Hole, 4" x 4" x 2.6" Shrink wrapped/Strip
    Grodan

    Gro Block Improved Small 4"GR6,5 w/ hole 4"x4"2.6" Shrink/St

    Grodan ImprovedGro Block Improved GR6.5 Small 4" w/Hole, 4" x 4" x 2.6" Shrink wrapped/StripGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone...
    $221.88
    $287.25
  • Grodan Gro Block Improved GR6.5 Small 4" w/Hole, 4" x 4" x 2.6" Strip
    Grodan

    Gro Block Improved Small 4"GR6,5 w/ hole 4"x4"2.6" Strip

    Grodan ImprovedGro Block Improved GR6.5 Small 4" w/Hole, 4" x 4" x 2.6" StripGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate...
    $152.98
    $198.05
  • Grodan Improved Gro-Block, Hugo 6" x 6" x 5.8", Case of 64
    Grodan

    Grodan Gro-Block, Hugo Improved 6" x 6" x 5.8" case of 64

    Grodan Improved Hugo (White Foil) 6” x 6” x 5.8” (Case of 64) Grodan ImprovedGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone wool substrate...
    $235.94
    $305.45
  • Grodan Improved GR10 (White Foil) 4" x 4" x 4", 1,584 Blocks Loose on Pallet
    Grodan

    Grodan GR10 Improved 4" x 4" x 4" loose pallet 1584 blocks

    Grodan Improved GR10 (White Foil) 4” x 4” x 4” (1584 blocks – Loose on Pallet) Grodan ImprovedGrodan partnered with the Wageningen University and Research facility in The Netherlands and top growers throughout North America to identify the optimal stone...
    $1,439.44
    $1,695.00
  • Pargro QD 4" x 4", case of 144
    Pargro

    Pargro QD 4" x4" W(144)

    Pargro stonewool blocks are available in a number of sizes to suit all types of plants. All blocks with holes fit 1.5” starter plugs.Pargro is Grodan’s generic value product line, saving you money while providing you the same quality clean, hygienic, and...
    $102.55
    $226.39
  • Pargro Quick Drain Biggie, 6" x 6" x 6", case of 64
    Pargro

    Pargro QD Biggie 6x6x6", case of 64

    Pargro is the leader among affordable horticultural rockwool. Made right in the Grodan factory, you can be assured of a high-quality product at a great price. Drainage Driest value-priced rockwool on the market 14% drier than competitor blocks...
    $217.53
    $281.65
  • Hugo Gro-Block, 6" x 6" x 5.8", with hole 40/40, case of 64
    Grodan

    Hugo Block, 6"x6"x5.8", case of 64

    Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different...
    $208.24
    $277.75
  • Pargro Quick Drain Jumbo Blocks 6" x 6" x 4", case of 64
    Pargro

    Pargro QD JUMBO (64 Cr)

    Pargro stonewool blocks are available in a number of sizes to suit all types of plants. Measuring 6 in x 6 in x  4 in, the Jumbo is a particularly good choice of block size for an ebb and flow system because it is 2 in shorter than the Biggie. All...
    $121.74
    $183.85