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Growing Media and Soil

Home / Hydroponic & Organic Gardening / Growing Media and Soil

Block Covers 6" Pack/40

Dual-purpose Block Covers reflect light back towards plants in addition to protecting them from algae growth. Black on one side, white on the other, these block covers will work with any media. There are 40 covers in each pack.

Block Covers 6" Pack/40

$25.49

Perlite 8 qt Bag

Perlite is made from volcanic glass and will never dissolve or rot. All plant roots need air - perlite mixed in the soil allows the life giving air to reach even the tiniest of roots. Perlite also helps water to soak into the soil instead of running off,

Perlite 8 qt Bag

$9.49

Rice Hulls - 50 lb

PBH Nature's Media Amendment is your number one choice for sustainable plant production — and a whole lot more. This uniquely processed rice hull amendment is a readily renewable resource requiring no mining or land disruption to produce. As so many growe

Rice Hulls - 50 lb

$47.00

Vermiculite 8 qt Bag

A perfect soil conditioner composed of millions of cells which store air and water. No food value. Often a key ingredient in soilless potting mixes, Vermiculite is prized for its ability to retain moisture. This coarse vermiculite is especially well-suite

Vermiculite 8 qt Bag

$12.38

DNC Water Only Living Soil - 1 cu ft

Great Lakes Water Only is an all-natural start-to-finish soil. This living soil is water-only. From seed or clone until harvest, our patented blend of worm castings, steer manure, and chicken compost, along with our incredible list of high-quality amendme

DNC Water Only Living Soil - 1 cu ft

$33.99

Vermiculite 4 cu ft Bag

Lightweight, moisture and nutrient retentive. Good for when higher aeration is required. Increases lateral water movement in growing media.

Vermiculite 4 cu ft Bag

$49.99

Grodan Grodan Big Mama 8" Block No Hole

The largest block ever produced by Grodan, the Big Mama measures 8" x 8" x 8" and contains well over twice as much wool as the popular Hugo block. This block is big enough to grow a large plant for its entire life. When a plant outgrows its current block,

Grodan Big Mama 8" Block No Hole

$13.99

Grodan Grodan Gro Block Improved Large 4"x4"x4" GR10 w/Hole Strip/6

Made in Denmark since 1969, stonewool is widely recognized as the ideal growing substrate. For any growing application, stonewool offers speed, ease of use, and cleanliness. Grodan stonewool is known for its quality, consistency and performance.

Grodan Gro Block Improved Large 4"x4"x4" GR10 w/Hole Strip/6

$16.49

Grodan Grodan Delta 4G No Hole Strip/8

Made in Denmark since 1969, stonewool is widely recognized as the ideal growing substrate. For any growing application, stonewool offers speed, ease of use, and cleanliness. Grodan stonewool is known for its quality, consistency and performance.

Grodan Delta 4G No Hole Strip/8

$8.79

Grodan Grodan Gro Block Improved Small 3"x3"x 2.6" GR4 w/ Hole Strip/8

Made in Denmark since 1969, stonewool is widely recognized as the ideal growing substrate. For any growing application, stonewool offers speed, ease of use, and cleanliness. Grodan stonewool is known for its quality, consistency and performance.

Grodan Gro Block Improved Small 3"x3"x 2.6" GR4 w/ Hole Strip/8

$9.79

Grodan Grodan Gro-Block Improved GR32, 6x6x6, Hugo - Single Block

Rockwool is a state-of-the-art rooting medium used in plant propagation. Seeds or cuttings are started in small rockwool cubes and, once rooted, the cubes are transferred to a larger piece of rockwool or may be planted directly in soil. Rockwool is used i

Grodan Gro-Block Improved GR32, 6x6x6, Hugo - Single Block

$6.05

Grodan Grodan Expert Gro-Slab 6 in x 3 in x 36 in Single

Made in Denmark since 1969, stonewool is widely recognized as the ideal growing substrate. For any growing application, stonewool offers speed, ease of use and cleanliness. Grodan stonewool is known for its quality, consistency and performance. This multi

Grodan Expert Gro-Slab 6 in x 3 in x 36 in Single

$13.49

Grodan Grodan Expert Gro-Slab 8 in x 3 in x 36 in

Made in Denmark since 1969, stonewool is widely recognized as the ideal growing substrate. For any growing application, stonewool offers speed, ease of use and cleanliness. Grodan stonewool is known for its quality, consistency and performance. This multi

Grodan Expert Gro-Slab 8 in x 3 in x 36 in

$17.29

Espoma Organic Bio-Tone Starter Plus 4-3-3 Plant Food Plus Mycorrhizae - 4lb

The Ultimate Starter Fertilizer with both Endo & Ecto Mycorrhizae

Espoma Organic Bio-Tone Starter Plus 4-3-3 Plant Food Plus Mycorrhizae - 4lb

$10.99

Espoma Organic Gypsum - 6lb

Espoma Garden Gypsum is an all natural mineral that can help loosen clay soils, minimize salt damage to plants, and help promote root growth.

Espoma Organic Gypsum - 6lb

$9.99

Plant Success Plant Success Great White Mycorrhizae 4 oz

The endo and ecto mycorrhiza, beneficial bacteria and trichoderma build a microbial system in and on plant roots which enhance water and nutrient uptake. Great White can be used in hydroponics, field agriculture or home gardening. It is best used as a see

Plant Success Great White Mycorrhizae 4 oz

$39.99

Plant Success Plant Success Great White Mycorrhizae 8 oz

The endo and ecto mycorrhiza, beneficial bacteria and trichoderma build a microbial system in and on plant roots which enhance water and nutrient uptake. Great White can be used in hydroponics, field agriculture or home gardening. It is best used as a see

Plant Success Great White Mycorrhizae 8 oz

$71.99

Plant Success Plant Success Great White Mycorrhizae 1 oz

The endo and ecto mycorrhiza, beneficial bacteria and trichoderma build a microbial system in and on plant roots which enhance water and nutrient uptake. Great White can be used in hydroponics, field agriculture or home gardening. It is best used as a see

Plant Success Great White Mycorrhizae 1 oz

$13.99

Down To Earth Down To Earth Vegetable Garden (4-4-4) - 5 lb

Down To Earth Vegetable Garden 4-4-4 is full of powerful plant nutrition to help your garden grow! Its all-purpose formulation provides a perfect start for your sprightly spring veggies, gives your summer tomatoes super-powers and is fantastic for growing

Down To Earth Vegetable Garden (4-4-4) - 5 lb

$15.99

Down To Earth Down To Earth Azomite Sr GRANULATED - 5 lb

The A to Z of Minerals Including Trace Elements is a mined volcanic mineral product that has been granulated for easy application. An excellent way to re-mineralize depleted garden soils, composts or potting mediums, AZOMITE is proven to increase crop yie

Down To Earth Azomite Sr GRANULATED - 5 lb

$14.50

Down To Earth Down To Earth All Purpose Mix (4-6-2) - 5 lb

A gentle, non-burning fertilizer perfect for vegetables, herbs, flowers and container plants, our All Purpose mix is also ideal for all types of transplants. Formulated with top quality organic ingredients and designed to deliver a steady supply of essent

Down To Earth All Purpose Mix (4-6-2) - 5 lb

$15.99

Down To Earth Down to Earth Granular Humic Acid 5 lb

A highly concentrated source of humic acids ideal for use on fields, turf and vegetable gardens. Derived from the ancient remains of decomposed organic plant materials, humic acids enhance nutrient uptake and stimulate soil microbial life. Naturally occur

Down to Earth Granular Humic Acid 5 lb

$12.99

Purple Cow Organics IndiCanja 1 cu ft Bag

Purple Cow IndiCanja was developed by a grower, for growers to be "ready-to-use" requiring no further inputs!

Purple Cow Organics IndiCanja 1 cu ft Bag

$22.99

Nectar For The Gods Nectar For The Gods One Shot 4 lb

One Shot is a soil amendment for super soil style gardening. One Shot is a blend of natural ingredients that are ground into fine powders and held together with a molasses binder in small pellets. The molasses activates and encourages microbial activity i

Nectar For The Gods One Shot 4 lb

$24.99