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Use discount code SNOW10 and receive 10% off your order! 📦​​​​​​​​​​​​​ ❄️
Use discount code SNOW10 and receive 10% off your order! 📦​​​​​​​​​​​​​ ❄️

Soil Amendments

Mixed and single-source macro and micro-nutrients.
Original price $101.50 - Original price $101.50
Original price
$101.50
$101.50 - $101.50
Current price $101.50

Thorvin Kelp - 50 lb Bag

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...

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Original price $101.50 - Original price $101.50
Original price
$101.50
$101.50 - $101.50
Current price $101.50
Original price $27.90 - Original price $27.90
Original price
$27.90
$27.90 - $27.90
Current price $27.90

Elemental Sulfur 90% - 50 lb Bag

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

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Original price $27.90 - Original price $27.90
Original price
$27.90
$27.90 - $27.90
Current price $27.90
Original price $40.50 - Original price $40.50
Original price
$40.50
$40.50 - $40.50
Current price $40.50

Bone Meal Granulated (2-14-0) - 50 lb Bag

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...

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Original price $40.50 - Original price $40.50
Original price
$40.50
$40.50 - $40.50
Current price $40.50
Original price $17.75 - Original price $17.75
Original price
$17.75
$17.75 - $17.75
Current price $17.75

Harmony Ag Organic Fertilizer (5-4-3) 9% Calcium - 40 lb Bag

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...

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Original price $17.75 - Original price $17.75
Original price
$17.75
$17.75 - $17.75
Current price $17.75
Original price $43.70 - Original price $43.70
Original price
$43.70
$43.70 - $43.70
Current price $43.70

Feather Meal (13-0-0) - 50 lb Bag

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

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Original price $43.70 - Original price $43.70
Original price
$43.70
$43.70 - $43.70
Current price $43.70
Original price $27.20 - Original price $27.20
Original price
$27.20
$27.20 - $27.20
Current price $27.20

Magnesium Sulfate (Epsom Salt) - Technical Grade - 50 lb Bag (Agriculture)

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...

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Original price $27.20 - Original price $27.20
Original price
$27.20
$27.20 - $27.20
Current price $27.20
Original price $89.50 - Original price $89.50
Original price
$89.50
$89.50 - $89.50
Current price $89.50

Nature's Kelp from Thorvin - 50 lb Bag

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....

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Original price $89.50 - Original price $89.50
Original price
$89.50
$89.50 - $89.50
Current price $89.50
Original price $63.00 - Original price $63.00
Original price
$63.00
$63.00 - $63.00
Current price $63.00

Blood Meal (13-0-0) - 50 lb Bag

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...

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Original price $63.00 - Original price $63.00
Original price
$63.00
$63.00 - $63.00
Current price $63.00
Original price $34.50 - Original price $34.50
Original price
$34.50
$34.50 - $34.50
Current price $34.50

Alfalfa Meal Organically Grown for Plants or Animals (3-0.5-3) - 50 lb Bag

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...

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Original price $34.50 - Original price $34.50
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$34.50
$34.50 - $34.50
Current price $34.50
Original price $35.00 - Original price $35.00
Original price
$35.00
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Current price $35.00

Nature Safe Fertilizer (8-5-5) - 50 lb Bag

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%...

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Original price $35.00 - Original price $35.00
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$35.00
$35.00 - $35.00
Current price $35.00
Original price $28.40 - Original price $28.40
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$28.40
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Current price $28.40

Azomite Micronized Powder - 44 lb Bag

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

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Original price $28.40 - Original price $28.40
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$28.40
$28.40 - $28.40
Current price $28.40
Original price $28.40 - Original price $28.40
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$28.40
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Current price $28.40

Azomite Granular - 44 lb Bag

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

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Original price $28.40 - Original price $28.40
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$28.40
$28.40 - $28.40
Current price $28.40
Original price $38.20 - Original price $38.20
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$38.20
$38.20 - $38.20
Current price $38.20

Nature Safe Organic Nitrogen Fertilizer (13-0-0) - 50 lb Bag

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...

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Original price $38.20 - Original price $38.20
Original price
$38.20
$38.20 - $38.20
Current price $38.20
Original price $46.75 - Original price $46.75
Original price
$46.75
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Current price $46.75

Potassium Sulfate Granular (SOP) (0-0-50+S17%) - 50 lb Bag

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

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Original price $46.75 - Original price $46.75
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$46.75
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Current price $46.75
Original price $308.50 - Original price $308.50
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$308.50
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Current price $308.50

AgSil 16H Potassium Silicate Powder 52% SiO2 (0-0-32) 50 lb Bag

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

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Original price $308.50 - Original price $308.50
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$308.50
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Current price $308.50
Original price $56.50 - Original price $56.50
Original price
$56.50
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Current price $56.50

Allganic Soluble Potassium Sulfate SOP (0-0-52+S18%) - 50 lb Bag

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...

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Original price $56.50 - Original price $56.50
Original price
$56.50
$56.50 - $56.50
Current price $56.50
Sold out
Original price $50.75 - Original price $50.75
Original price
$50.75
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Current price $50.75

Neversink Blend (6-1-7) - 40 lb Bag

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

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Original price $50.75 - Original price $50.75
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$50.75
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Current price $50.75
Original price $26.75 - Original price $26.75
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$26.75
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Current price $26.75

Worm Castings Mountain Gate Organics - 1 cu ft Bag

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...

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Original price $26.75 - Original price $26.75
Original price
$26.75
$26.75 - $26.75
Current price $26.75
Original price $34.75 - Original price $34.75
Original price
$34.75
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Current price $34.75

Fertoz Organic Granulated Rock Phosphate Fertilizer 0-7-0 - 50 lbs

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

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Original price $34.75 - Original price $34.75
Original price
$34.75
$34.75 - $34.75
Current price $34.75
Original price $52.00 - Original price $52.00
Original price
$52.00
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Current price $52.00

Allganic Nitrogen Plus (15-0-2) 50 lb Bag

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

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Original price $52.00 - Original price $52.00
Original price
$52.00
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Current price $52.00
Original price $29.50 - Original price $29.50
Original price
$29.50
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Current price $29.50

Sea-90 Soil Mineralizer+ - 50 lb Bag

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...

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Original price $29.50 - Original price $29.50
Original price
$29.50
$29.50 - $29.50
Current price $29.50
Original price $36.00 - Original price $36.00
Original price
$36.00
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Current price $36.00

Ferti Fulvic Plus (90% Fulvic Acid) - 5 lb Bag

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

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Original price $36.00 - Original price $36.00
Original price
$36.00
$36.00 - $36.00
Current price $36.00
Original price $41.75 - Original price $41.75
Original price
$41.75
$41.75 - $41.75
Current price $41.75

Kmag or SulPoMag Granular (0-0-22+22S+11Mg) - 50 lb Bag

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

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Original price $41.75 - Original price $41.75
Original price
$41.75
$41.75 - $41.75
Current price $41.75
Original price $36.00 - Original price $36.00
Original price
$36.00
$36.00 - $36.00
Current price $36.00

Iron Sulfate Powder 20% - 50 lb Bag

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

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Original price $36.00 - Original price $36.00
Original price
$36.00
$36.00 - $36.00
Current price $36.00