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Soil Amendments

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

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

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 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

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

$29.99

Wiggle Worm Wiggle Worm Soil Builder Earth Worm Castings 15 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 15 Lb

$18.99

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

$20.99

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

$32.99

Down To Earth Down to Earth Rock Phosphate 0-3-0 5 lb

Down To Earth™ Rock Phosphate is essential for building soil phosphate levels for long-term plant productivity and for preventing calcium deficient soils.

Down to Earth Rock Phosphate 0-3-0 5 lb

$14.99

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

$18.99

Gaia Green Gaia Green Super Fly Insect Frass 3-1-2 - 750g

Super Fly Insect Frass is a fertilizer derived from the excreta of black soldier fly larvae. It is a renewable resource produced from pre-consumer food waste fed to fly larvae. Rich in essential nutrients.

Gaia Green Super Fly Insect Frass 3-1-2 - 750g

$15.99

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

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

$43.08

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

$11.99

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

$16.99

BuildASoil BuildASoil Organic Straw Mulch - 1 cuft

This barley straw is CERTIFIED ORGANIC and comes from a local farm.

BuildASoil Organic Straw Mulch - 1 cuft

$35.00

BuildASoil BuildASoil Craft Blend Nutrient Pack - 3 lb

15 hard to find and premium amendments brought in house and mixed on site just for you:

BuildASoil Craft Blend Nutrient Pack - 3 lb

$28.00

BuildASoil BuildASoil Quillaja Saponaria Extract Powder 20 - 2 oz

Wetting agent derived from sustainably harvested Quillaja branches in Chile, our extract is renowned for its unmatched purity in saponin content.

BuildASoil Quillaja Saponaria Extract Powder 20 - 2 oz

$20.00

Gaia Green Gaia Green Power Bloom, 20 kg

Power Bloom is a high phosphate fertilizer specifically formulated to support prolific flowering and fruiting. Excellent for root development and for all flowering and fruiting plants.

Gaia Green Power Bloom, 20 kg

$104.99

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

$102.99

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

$9.99

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

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

$14.99

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

$14.99

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

$77.51