Growing Mediums

Soil is not Nature's only option for growing plants! They grow in water, rocks, sand, peat... Depending on the plants you grow, there are several options to choose from, including hydroponics (water), manmade materials, and some other natural materials.

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$10.99 - $12.69
A-OK Starter Plugs are designed for starting seeds and plant clones. They come in a sheet that fits any standard 10" x 20" flat.
$7.90 - $129.31
It's the largest grow block ever produced by Grodan! The Big Mama™ contains well over twice as much stonewool as the popular Hugo block.
Black Gold Natural & Organic is formally known as Black Gold All Organic potting soil.
If you're a gardening enthusiast, start your seedlings and cuttings off right with Black Gold Seedling Mix.
$12.50 - $24.50
The CANNA Coco brick is the perfect way to save time and effort over tradition coco growing mediums. Simply add water and your coco is ready to go!
CANNA Coco substrate is 100% organic and consists of fine fibers with uniform structure. This loose coco grow media is free from viruses and soil diseases.
A-OK Starter Plugs are designed for starting seeds and plant clones. They come in a sheet that fits any standard 10" x 20" flat.
This chunky perlite features extra-large particles, which maximize nutrient uptake and oxygenation at the root level.
When hydrated with 3 gallons of water, the compressed Cocogro Bale expands to about 70 liters. In it's dry form, it measures 11 x 11 x 7 (about 5 kg).
$3.25 - $18.50
Cocogro Boss comes in its own growing container! It contains a coarse fiber mat at the bottom to allow drainage, yet keeps the coir fiber particles from exiting. Once hydrated, the compressed organic coir fiber expands to the height of the horticultural-grade poly bag.
$2.45 - $26.50
Botanicare Cocogro Bricks measures 8 x 4 x 2 and expand to 8 to 9 liters when hydrated with 1/2 gallon of water.
General Hydroponics CocoTek Fine Coir Bales are 100% organic! CocoTek Coir is an environmentally-friendly renewable resource that will break down in about three years.
If you prefer coir fiber for your garden, you might consider trying Crop Circles coir fiber coco peat disks.
$1.65 - $1.95
Eliminate algae and the breeding ground for fungus gnats in your hydroponics with the pesticide-free CubeCap!
$14.95 - $18.50
Eliminate algae and the breeding ground for fungus gnats in your hydroponics with the pesticide-free CubeCap!
Europonic Rockwool Conditioner is a growing media conditioner that neutralizes the pH level of rockwool to provide maximum nutrient uptake to your plants.
$7.73 - $109.53
The Expert stonewool in these Gro-Slabs has vertical fibers that allow the water (nutrient solution) to move quickly through the slab. This quick draining process prevents water logging and enhances aeration of the plant roots. A popular choice for hydroponics growers!
Light Warrior Agro-Ponic is our preferred organic growing medium when germinating seeds or transplanting.
FoxFarm's premium organic planting mix is designed to be worked into the soil every time you plant.
This 128 page reference book gives you a step-by-step guide to achieving 20 to 50 percent higher yields with rockwool growing media.
$12.79 - $67.99
Geohumus is a sponge-like odorless granulate that absorbs water, then releases it as your plant needs the moisture.
Save 25%
The Grodan Gro-Smart Tray Insert was designed to hold any of the popular Grodan starter stonewool options.
$201.19 - $242.47
Grodan Gro-Blocks will get your garden started off on the right foot. Don't mess around with pots and messy soil! Use Gro-Blocks to start any type of garden.
$41.74 - $82.77
Growcubes are small 1/4-inch cubes of stonewool (rockwool). They're made of the same high-quality stonewool as larger Grodan cubes and slabs, but these miniature sized Growcubes fit any container size or shape.
$11.25 - $328.25
Macroplugs are great for plant cloning or starting seedlings.
$8.74 - $359.15
Grodan mini-blocks is ready to help grow your plants right out of the box. From seeds to cuttings, mini-blocks are perfect for plants in any growth stage.
$4.95 - $74.95
The Uni-Slab combines all the benefits of Grodan's traditional stonewool slabs with the versatility of a block. Its large size gives great stability for any size plant.
$11.99 - $46.75
The only scientifically proven, non-toxic environmentally friendly fungus gnat control product on the market that creates a physical barrier against fungus gnats.
Growstones are earth friendly, with 97% of their content consisting of recycled glass products. Even the bag is made from recyclable paper.
A natural, organic growing medium, Happy Frog stimulates root development to strengthen your plants and keep them in optimum health.
?Create a natural seedling pot with the nontoxic Jiffy-7 Peat Pellets, made of biodegradable sphagnum peat moss and coir fibers.
$3.50 - $107.95
Jiffy-7 Peat Pellets are the convenient, no-mess way to start flower and vegetable seeds and cuttings.
These fast-expanding, earth-friendly peat pellets are the refills used with the Hydrofarm Jump Start Pellet Greenhouses.
The Jumpstart 12 Pellet Window Greenhouse is perfect for germinating flower, herb and vegetable seeds.
Mother Earth BioChar is carbonized material that increases the microbial life and fertility of your soil.
$9.95 - $29.95
Cost effective growing medium that uses clay to help retain moisture and accelerate plant growth.
An excellent alternative to Rockwool starter cubes!
FoxFarm Ocean Forest is an organic potting soil mix that's ideal for container plants. It has a light texture for fast root growth, and is well aerated to prevent water logging.
Save 15%
Organic Bountea Humisoil is the perfect super soil blend for indoor or outdoor applications. It's organic certification makes it gentle on all plants!
Great additive to soil sources for aeration and drainage.
Premium soil produced in the USA, custom blend ideal for a wide variety of crops including vegetables, annuals, perennials, tropicals and foliage plants.
If you use the General Hydroponics Rapid Rooter Tray, you will need 50 of these replacement plugs for your next growing season.
The Rapid Rooter Kit comes with a 50-cell plug tray and includes grow plugs.
Botanicare ReadyGro Aeration is a specialized soilless growing medium formulated for hydroponics gardens that require multiple waterings each day.
ReadyGro Moisture Formula, from Botanicare, is a specialized soilless growing medium created for outdoor use. Use it for plants that are exposed to hot, dry environments or infrequent watering. It is also well suited for hand-watering or automated pots and planters with large plants.
Ready Gro Super Plugs have the consistency of a sponge-like material. These biodegradable and 100% organic soilless grow plugs are made of composted tree bark and other organic materials.
Made from composted organic materials, Root Riot starter cubes have a great spongy texture which retains the perfect air-to-water ratio for healthy, rapid root growth.
$15.25 - $24.95
Suitable for both plant cuttings and seed germination, Root Riot Cubes give you faster, more vigorous rooting results.
Roots Organics Natural & Organic is a quality ready-to-use coco fiber-based potting soil.
Round Jiffy Peat Pots decompose right into the soil, so there's no risk of root damage because you don't remove the plant from the peat pot.
$7.49 - $10.49
Soil Moist was developed to reduce the amount of water needed to maintain vigorous plants. It's a non-toxic, environmentally-friendly polymer that acts like a sponge, holding over 200 times its weight.
$5.95 - $11.95
Algae requires light to survive and when there is none, it dies. UVA-inhibited Sunleaves Block Covers protect your garden from algae growth by preventing the light from penetrating down to the growing medium.
Supernatural Super Soak (previously known as Rockwool Soak) is an acid buffer that does not contain ammonia, so there's no worry of your plants getting burned.
Horticultural Vermiculite is ideal for cloning plant cuttings and propagating seeds as it encourages a faster growth rate and has a neutral pH.
Wiggle Worm Soil Builder Earthworm Castings are 100% Organic. Earthworm castings are an odorless, non-toxic, all natural plant food and soil amendment that provides amazing results.