Soil Amendments

Thorvin Kelp is a single sourced kelp from Icelandic waters and is certified organic and OMRI-listed. The kelp is processed at a low temperature in...

Pelletized sulfur is used to correct sulfur deficiencies or lower soil pH. Excellent for blueberries and all acid-loving plants. Rates vary by star...

Par-4 brand (2-14-0) is a steamed bone meal that is micro-pelletized for easy application. Bone meal is an excellent source of calcium at 20% and c...

Harmony Ag Organic Fertilizer w/ 9% Calcium (5-4-3) is our most popular fertilizer, made from composted poultry layer manure. All-purpose for veget...

Feather meal, a by-product of poultry processing, is cooked, sterilized under intense heat using steam pressure cookers, dried, and ground into a m...

Magnesium Sulfate (Epsom Salt) Technical Grade - Mg 9.8%, S 12.9%. Quick acting magnesium & sulfur fertilizer. It can be used for a soil or fol...

Nature’s Kelp from Thorvin is a certified organic dried kelp (Ascophyllum Nodosum) from the North Atlantic that is a rich source of trace minerals....

Blood Meal (13-0-0) - A natural source of nitrogen. Blood meal is ideal for promoting lush and green vegetative growth. The high nitrogen is rapidl...

As a fertilizer it has an analysis of 3-0.5-3 and is loaded with micronutrients. The alfalfa plant has a deep root system that draws up minerals be...

Pelleted (SGN 5/32”x 1/4” - 1/2”) general use fertilizer derived from meat and bone meal, feather meal, blood meal, and sulfate of potash. The 1.2%...

Azomite is a naturally mined, volcanic mineral with over 66 minerals and trace elements that are important for plant nutrition and growth. It impro...

Azomite is a naturally mined, volcanic mineral with over 66 minerals and trace elements that are important for plant nutrition and growth. It impro...

This high nitrogen fertilizer is derived from feather meal, meat meal, and blood meal. It contains 0.96% plant available nitrogen for green up in 7...

Potassium is essential for a vigorous root system, plant growth, disease resistance, as well as fruit and vegetable quality. SOP granular is a natu...

 AgSil helps plants to resist toxicity from phosphorous, manganese, aluminum and iron and increases tolerance to salt. AgSil also aids in resistanc...

Potassium Sulfate Allganic Brand Water Soluble SOP (0-0-52-Sulfur 18%) is a soluble SOP for crop production. Apply according to your soil test, y...

Neversink Blend is a custom fertilizer formulated by and for Conor Crickmore of Neversink Farm. Check out Neversink's fantastic workshops as well a...

These worm castings are from Mountain Gate Organics out of Rockingham, VA and go through a multi-screening process to eliminate worm eggs without t...

Fertoz Organic Phosphorus replacing Calphos with this 2X concentrated granulated phosphate fertilizer. Total Phosphorus: 20% (available phosphorus:...

Allganic Nitrogen Plus is a micro-pelletized sodium nitrate from Chile, containing 15% Nitrate-Nitrogen and 2% Potassium, and is easy to broadcast....

Sea-90 Soil Mineralizer+ now includes 1% Humic Acid as well as 0.1% K2O, 1.5% Ca, 0.5% Mg and 1% S. Sea-90 is natural salt crystals produced by so...

Derived from plants with a 90% (min.) content of organic fulvic acid. Its chelating effect, physiological and biological activity give the plant m...

Intrepid Trio brand Kmag or SulPoMag is 100% natural Langbeinite, a long-lasting, readily available source of low-chloride potassium (22%), magnesi...

Ferrous (Iron) Sulfate Heptahydrate is a soluble product that can be broadcast, side banded or foliar sprayed. Guaranteed Analysis: 18% Sulfur, 20%...

By providing existing soil microbes with food and energy, crab shell naturally and safely improves soil health by enhancing the beneficial microbia...

Biogreaux Blackstrap Molasses is an all-natural organic fertilizer and potassium booster made from the byproduct of Louisiana sugarcane processing....

Copper sulfate powder is a composed of 25.2% copper and 12.5% sulfur. It provides a water soluble, readily available form of copper, an essential m...

Prilled elemental sulfur is used to correct sulfur deficiencies or lower soil pH.  Our elemental sulfur will have a light green color. Excellent fo...

High quality 100% pulverized limestone is high in calcium and very low in magnesium content. Elemental calcium is 38%. Calcium carbonate equivalent...

Copper sulfate powder is a composed of 25.2% copper and 12.5% sulfur. It provides a water soluble, readily available form of copper, an essential m...

A marine-based alternative to traditional steamed bone meal and a great source of organic phosphorus and calcium (12%-17%). Derived from fresh cutt...

Zinc sulfate monohydrate powder is fertilizer and feed grade. Guaranteed Analysis: Water Soluble Zinc (Zn) 35.5%, Sulfur (S) 17%. Zinc sulfate powd...

Ida-Gro brand pelletized (0-3-0) - 20% total phosphate, 3% available phosphate, and 20% calcium is derived from a naturally mined soft rock phospha...

The Andersons brand Humic DG is an easy flow micro-pelletized humic acid (70%). Humic DG is a mix of humic acid percursor, fulvic acid, humic acid,...

Produced in Western North Carolina, this product is made from fresh water fish. Brown's Fish Fertilizer is a fish hydrolysate produced by a cold en...

The nitrogen in Corn Gluten Meal has a very high mineralization rate, typically over 80%. ...

Use for acid-loving plants like blueberries and azaleas because of its low pH. This Cottonseed Meal is NOT NOP Compliant. This is feed grade. For t...

Soluble, concentrated Sodium Borate (Boric Acid) for foliar or drip applications. 20.5% B. 5 lbs contains 1.25 lbs of B. Apply according to soil o...

Produced in Western North Carolina, this product is made from fresh water fish. Brown's Fish Fertilizer is a fish hydrolysate produced by a cold en...

Zinc sulfate monohydrate powder is fertilizer and feed grade. Guaranteed Analysis: Water Soluble Zinc (Zn) 35.5%, Sulfur (S) 17%. Zinc sulfate powd...

Almost identical to Harmony but it comes from the USDA organic egg laying operation at the same NY farm that produces Harmony. Symphony 5-4-3 ferti...

Solubor has the highest concentration of boron (20.5%) and the maximum possible dispersion and solubility in water and other solutions even at lowe...

Manganese Sulfate with 31.5% manganese and 18% sulfur is used for soils deficient in manganese (Mn). Manganese Sulfate Powder is soluble and can be...

Provides a rich source of nitrogen for nitrogen-loving plants. Use to help plants grow quickly, and to improve plant quality and appearance. Grower...

From BioOrganics this product contains a blend of nine species of Endomycorrhizal spores: Glomus aggregatum, G. etunicatum, G. intraradices, G. mos...

Read about alternatives to greensand in our blog.Greensand contains minerals and trace elements that improves the chemical, physical and biological...

Concentrated Ascophyllum nodosum (brown seaweed) plus potassium hydroxide from the Norwegian coastline. This highly soluble seaweed provides trace ...

Sea-90 Foliar Mineralizer now includes 0.1% K2O, 1% Ca, and 0.5% Mg. Sea-90 is made from natural salt crystals produced by solar dehydrating sea wa...