Fertilizers & Amendments

Bring your garden back to life with Earth Medicine, the organic soil amendment crafted to nourish your soil from the ground up. Made from recycled ...

Bring your garden back to life with Earth Medicine, the organic soil amendment crafted to nourish your soil from the ground up. Made from recycled ...

Sea-90 Soil Mineralizer Plus offers a complete spectrum of minerals and trace elements to naturally supercharge soil health and fertility.  Sea-90 ...

Hi-Brix MFP is a natural source of carbohydrates (sugars) and plant nutrients that has been specially tailored into liquid formulation for indoor a...

Down To Earth’s AZOMITE, the “A to Z of Minerals Including Trace Elements,” is a natural trace mineral product formed from the dust of an ancient...

FREE SHIPPING on all amendments. Shipping will show as free at checkout! Optimize plant growth with Feather Meal. Feather meal is a slow-release fe...

Down To Earth™ AZOMITE®, the “A to Z Of Minerals Including Trace Elements,” is a natural trace mineral product formed from the dust of an ancient v...

New Product! Make your roots grow longer and stronger with Urban Worm Myco, an endomycorrhizal inoculant with over 4000 propagules per oz. A little...

  If you’re looking for ways to increase your yield, grow more impressive blooms, or help your plants develop larger roots, you’re looking for our ...

Sea-90 Grower’s Series is a collection of Sea-90 products for Lawns, Gardens, Hydroponics, and Flowers.  Foundation offers a complete mineral and t...

Do you dream of a garden bursting with vivid color and impressive growth? Whether you’re growing a cut flower garden or you’re working with a short...

Want sturdy, long-lasting plants? It all starts with a strong foundation. Before you plant, set your houseplants and garden up for success with na...

Add intense microbe and nutrient storage capacity to your soil. Urban Worm Biochar is produced in Maine from wood waste through a high-temperature,...

Urban Worm Coco Coir is a proven, eco-friendly worm bedding and soil amendment made from coconut husks. 2 of our 1.4-lb coco coir bricks is the per...

Seabird guanos have been used as a fertilizer for thousands of years; collected from the abandoned roosting areas of migratory birds. Seabird guano...

Are your plants going hungry? Whether you love houseplants, veggies, or flowers, your plants need a balanced diet of micronutrients like Boron, Ma...

A well-rounded nutrient blend crafted to enhance plant growth. This product combines organic compounds to provide a balanced and sustainable source...

Down To Earth™ Langbeinite 0-0-22 is a naturally mined crystalline mineral that supplies a water-soluble sulfate form of three vital plant nutr...

Developed nearly 30 years ago, Olivia’s Cloning Gel continues to be an industry leader due to its high quality, ease-of-use and stellar results. Th...

The ultimate all-in-one soil additive. Trace minerals and mycorrhizal fungi spores provide essential mineral elements and add vital biological life...

The Garden Marker is an indispensable tool for home gardeners, small-scale farmers, and horticultural enthusiasts who need a reliable way to label ...

The Earthshine Biochar Blend is a revolutionary product designed to enhance soil performance, reinvigorate tired soil, and amplify the effectivenes...

Coco Peat is an excellent alternative to the depletion of peat bogs. Water your plants less. Made from a renewable resource (coconut coir or husk f...

These pellets made from coconut fiber are a sustainable and environmentally friendly alternative to peat pots and pellets. Compared to other pelle...

Apply these fungi to transplant roots or dust on seeds, add to potting soil, or mix into water to drench nursery seedlings or lawns. Contains 8 pr...

Introducing BeatsPeat™ from PlantBest, a scientifically formulated and environmentally conscious solution crafted from the fibrous husks of coconut...

Apply these fungi to transplant roots or dust on seeds, add to potting soil, or mix into water to drench nursery seedlings or lawns. Contains 8 pr...

Golden Nitro is a vegetable protein that can be applied by foliar, drench, or drip to prevent or correct nitrogen deficiencies. Derived from soy p...

Morgan Composting Seedstarter 101 – Premium Organic Seed Starting MixGive your plants the perfect start with Seedstarter 101 from Morgan Composting...

Limited Offer: Look for a Buy One Get One 50% Off Deal at Checkout! Amend & monitor your potting soil or worm bin with ease! Mix 1  brick of Ur...

New Flat Rate Price Includes Shipping Anywhere in the Lower 48! Organic Biochar made from waste wood! This product is 90% organic carbon. Raw bioch...

A $72 value for more than 30% off! With the Premium Soil Amendment Bundle, you get: 10 lbs of OMRI-listed microbe-richworm castings (a $37 value) ...

Are unpredictable weather patterns standing between you and your dream garden? No more!  De-stressor is a biological stimulant packed with antioxi...

Sea-90 Foliar Mineralizer offers a complete spectrum of minerals and trace elements in a convenient micronized form factor for liquid feeding and s...

Start your gardening journey on the right foot with a starter kit! The Starter Pack works perfectly as an all in one house plant starter kit or as...

Want lots of coco coir? This 5kg (11lb) block expands to 2.25 cubic feet or nearly 17 gallons when moistened. Perfect for larger worm bins and soil...

Naturally Aged Coco Coir 1/3 cu. ft. sized bricks individually wrapped (1.37 lbs.  per brick) Approx. 5 x 10 x 20cm (2”x 4” x 8”) What exac...

Organic Limestone Microna Ag H2O (5 lb) is a finely milled calcium carbonate soil amendment designed to neutralize acidic soils, improve nutrient a...

AgroThrive's Organic General Purpose Fertilizer in the handy 1-gallon size is your go-to companion. This thoughtfully crafted blend brings the powe...

Epsom Salts is a source of magnesium that is essential to plant development. It is required by plants to produce chlorophyll. Leaf yellowing is the...

Down To Earth™ Garden lime sweetens your soil (raises the pH) to improve plant growth and maximize fertilizer performance. Natural limestone is gro...

Enhance soil fertility and promote strong root development with Calphos Soft Rock Phosphate (5 lb), a natural source of phosphorus and calcium. Thi...

Neem Seed Meal is an excellent all natural fertilizer for enriching garden and agricultural soils and encouraging optimum plant development. Cold p...