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Soil Amendments

Home / Hydroponic & Organic Gardening / Growing Media and Soil / Soil Amendments

Purple Cow Organics Activated Compost 1 cu ft Bag

Purple Cow Organics Activated Compost With MicroLife is a scientifically formulated, tested, and certified premium compost - vermicompost based product. It delivers a full-range of benefits, along with metabolic building blocks to enrich and enliven your

Purple Cow Organics Activated Compost 1 cu ft Bag

$19.99

Real Growers Real Growers Grow Dots 75gram

Programmed release over the first 6 weeks of your grow cycle. High Nitrogen, for strong, vegetative growth. Phosphorus and Potassium, for stronger, healthier plant roots.

Real Growers Grow Dots 75gram

$7.96

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

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

$20.99

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

$44.00

Perl-Lome Perlite 4 cu ft 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 4 cu ft Bag

$28.99

Monterey Monterey Epsom Salts (Magnesium Sulfate) - 4lb

Promotes bloom in roses and other flowering plants. Absorbed through the roots and foliage of plant to help plant produce chlorophyll.

Monterey Epsom Salts (Magnesium Sulfate) - 4lb

$16.19

Gaia Green Gaia Green All Purpose, 20 kg

All-Purpose is an excellent product for landscape and garden use. This fertilizer is an outstanding blend for all your fertilizing needs.

Gaia Green All Purpose, 20 kg

$101.59

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

$11.89

Xtreme Gardening Xtreme Gardening Mykos 1 lb

Mykos is a highly beneficial soil fungus which, once applied to plant roots, lives for the life of that particular plant. When Mykos fungi colonize a “host” plant’s root system, it spreads out thin fungal filaments called “hypha

Xtreme Gardening Mykos 1 lb

$23.03

Gaia Green Gaia Green Greensand 0-0-0.2 1.5kg

Greensand is mined from ancient, nutrient-rich deposits of oceanic sediment. Over time, this sediment developed into glauconite, which is highly effective as a slow-release fertilizer used to improve the mineral content of soil and other growing media. I

Gaia Green Greensand 0-0-0.2 1.5kg

$30.29

Gaia Green Gaia Green Power Bloom, 2 kg

Power Bloom is a high phosphate fertilizer specifically formulated to support prolific flowering and fruiting. As a result, Power Bloom is our best fertilizer for root development and for all flowering and fruiting plants.

Gaia Green Power Bloom, 2 kg

$28.99

Down To Earth Down To Earth Insect Frass - 2lb

Down To Earth Insect Frass 3-1-2 is an excellent fertilizer with many of the same traits as bat guano and worm castings. Produced through sustainable insect farming raised on pre-consumer food waste collected from local grocery stores, produce distributor

Down To Earth Insect Frass - 2lb

$12.89

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 Fish Bone Meal 4-12-0 - 50lb

A marine based alternative to traditional steamed Bone Meal and is great for flowering plants, trees, and shrubs. A great source of Phosphorus and Calcium, it contains a small amount of Nitrogen and is an ideal for new garden beds, perennials, and bulbs.

Down To Earth Fish Bone Meal 4-12-0 - 50lb

$62.99

Cultured Biologix Cultured Biologix Dr. Root - 8oz

Dr. Root is a natural rooting inoculant that combines root growth promoting bacteria, endomycorrhizae, and aloe vera extracts to promote new root growth and root mass development.

Cultured Biologix Dr. Root - 8oz

$19.20

Fish Head Farms Fish Sh!t Organic Soil Conditioner - 250 ML

By introducing a wide variety of beneficial bacteria and microorganisms in to the rhizosphere, Fish Sh!t creates an optimal symbiotic relationship between plant and soil.

Fish Sh!t Organic Soil Conditioner - 250 ML

$45.00

$33.99

Fish Head Farms Fish Sh!t Organic Soil Conditioner - 120 ML

By introducing a wide variety of beneficial bacteria and microorganisms in to the rhizosphere, Fish Sh!t creates an optimal symbiotic relationship between plant and soil.

Fish Sh!t Organic Soil Conditioner - 120 ML

$26.50

$19.99

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

$8.99

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

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

Wiggle Worm Soil Builder Earth Worm Castings 30 Lb

Wiggle Worm Soil Builder pure earthworm castings are surely Mother Nautre's best kept growing secret. Earthworm castings contain abundant essential elements plants need for healthy growth. Odorless and non-toxic, worm castings are a natural organic fe

Wiggle Worm Soil Builder Earth Worm Castings 30 Lb

$31.60

Gaia Green Gaia Green Worm Castings 2-0-0 - 2L

This all-purpose fertilizer is high in organic matter and adds essential nutrients to the soil to encourage strong plant growth.

Gaia Green Worm Castings 2-0-0 - 2L

$15.29

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

$59.99