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🌱 Check out our NEW Seven Springs Fertilizer Blends! 🌱
🌱 Check out our NEW Seven Springs Fertilizer Blends! 🌱

Fertilizers

A collection of the very best natural and biologically-based fertility sources available.
Original price $32.50 - Original price $32.50
Original price
$32.50
$32.50 - $32.50
Current price $32.50

SeaPhos (1.7-6-0) - 1 Gallon

Cold-processed fish protein hydrolysate made from salmon, plus micronized fish bone and phosphoric acid. Screened to 165 mesh (90 micron) for use i...

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Original price $32.50 - Original price $32.50
Original price
$32.50
$32.50 - $32.50
Current price $32.50
Original price $58.50 - Original price $58.50
Original price
$58.50
$58.50 - $58.50
Current price $58.50

SeaPhos (1.7-6-0) - 2.5 Gallon

Cold-processed fish protein hydrolysate made from salmon, plus micronized fish bone and phosphoric acid. Screened to 165 mesh (90 micron) for use i...

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Original price $58.50 - Original price $58.50
Original price
$58.50
$58.50 - $58.50
Current price $58.50
Original price $45.00 - Original price $45.00
Original price
$45.00
$45.00 - $45.00
Current price $45.00

Ferti-Organic Soluble Seaweed (4.44-1-16) - 5 lb

Premium soluble seaweed (ascophyllum nodosum) for use in foliar sprays, irrigation, and transplant water. Provides highly bio-available nutrients a...

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Original price $45.00 - Original price $45.00
Original price
$45.00
$45.00 - $45.00
Current price $45.00
Original price $345.00 - Original price $345.00
Original price
$345.00
$345.00 - $345.00
Current price $345.00

Ferti-Organic Soluble Seaweed (4.44-1-16) - 50 lb

Premium soluble seaweed (ascophyllum nodosum) for use in foliar sprays, irrigation, and transplant water. Provides highly bio-available nutrients a...

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Original price $345.00 - Original price $345.00
Original price
$345.00
$345.00 - $345.00
Current price $345.00
Original price $95.50 - Original price $95.50
Original price
$95.50
$95.50 - $95.50
Current price $95.50

CropSIL - 1 Liter

Silicon is an important element that helps strengthen plant cell walls, improves plant nutrient and water management, increases stress tolerance an...

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Original price $95.50 - Original price $95.50
Original price
$95.50
$95.50 - $95.50
Current price $95.50
Original price $1,441.00 - Original price $1,441.00
Original price
$1,441.00
$1,441.00 - $1,441.00
Current price $1,441.00

Crab Meal (4-4-0) 18% Ca - 2000 lb

Made from 100% Blue Crab with no other additives. Crab Meal is an excellent source of NPK, Calcium, (18%) and micro nutrients. The high levels of c...

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Original price $1,441.00 - Original price $1,441.00
Original price
$1,441.00
$1,441.00 - $1,441.00
Current price $1,441.00
Sold out
Original price $92.20 - Original price $92.20
Original price
$92.20
$92.20 - $92.20
Current price $92.20

Sealife Kelp Meal - 50 lbs

100% pure, dried Ascophyllum nodosom, harvested from the North Atlantic coasts of Maine. Rich in vitamins, minerals and nutrients. For soils, apply...

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Original price $92.20 - Original price $92.20
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$92.20
$92.20 - $92.20
Current price $92.20
Original price $56.50 - Original price $56.50
Original price
$56.50
$56.50 - $56.50
Current price $56.50

True Organic Seabird Guano (6-12-0) - 25 lb

A rich source of phosphorous and slow-release nitrogen. Apply at planting to encourage early root development and vegetative growth, or ahead of fl...

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Original price $56.50 - Original price $56.50
Original price
$56.50
$56.50 - $56.50
Current price $56.50
Original price $30.80 - Original price $30.80
Original price
$30.80
$30.80 - $30.80
Current price $30.80

Kelpstim (1-0-1) - 1 Gallon

A combination of soy protein hydrolysate, kelp (Ascophyllum nodosom), potassium hydroxide and humic acids for use in foliar or soil applications. T...

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Original price $30.80 - Original price $30.80
Original price
$30.80
$30.80 - $30.80
Current price $30.80
Original price $595.00 - Original price $595.00
Original price
$595.00
$595.00 - $595.00
Current price $595.00

Kreher (5-4-3) 9% Ca - 2000 lb

The highest quality, best cost per lb of nitrogen composted poultry manure available today. 2000 lbs contains 100-80-60 lbs of N-P-K and 180 lbs of...

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Original price $595.00 - Original price $595.00
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$595.00
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Current price $595.00
Original price $59.90 - Original price $59.90
Original price
$59.90
$59.90 - $59.90
Current price $59.90

AgroThrive (3-3-2) - 2.5 Gallon

Premium liquid fertilizer with a balanced analysis, made from corn steep liquor and fermented fish remnants. Ideal for use at planting and to preve...

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Original price $59.90 - Original price $59.90
Original price
$59.90
$59.90 - $59.90
Current price $59.90
Original price $49.50 - Original price $49.50
Original price
$49.50
$49.50 - $49.50
Current price $49.50

Brandt Organics Tree and Vine Mix - 2.5 Gallon

Liquid micronutrients complexed with lignosulfates for efficient nutrient uptake and absorption. Labeled for soil and foliar applications. 2.5% Sul...

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Original price $49.50 - Original price $49.50
Original price
$49.50
$49.50 - $49.50
Current price $49.50
Original price $49.50 - Original price $49.50
Original price
$49.50
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Current price $49.50

Brandt Organics Crop Mix - 2.5 Gallon

Liquid micronutrients complexed with lignosulfates for efficient nutrient uptake and absorption. Labeled for soil and foliar applications. 1% Magne...

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Original price $49.50 - Original price $49.50
Original price
$49.50
$49.50 - $49.50
Current price $49.50
Original price $49.50 - Original price $49.50
Original price
$49.50
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Current price $49.50

Brandt Organics 6% Calcium - 2.5 Gallon

Liquid Calcium solution complexed with lignosulfates for efficient nutrient uptake and absorption. Labeled for soil and foliar applications. 6% Cal...

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Original price $49.50 - Original price $49.50
Original price
$49.50
$49.50 - $49.50
Current price $49.50
Original price $49.50 - Original price $49.50
Original price
$49.50
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Current price $49.50

Brandt Organics 3% Boron - 2.5 Gallon

Liquid Boron solution complexed with lignosulfates for efficient nutrient uptake and absorption. Labeled for soil and foliar applications. 3% Boron...

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Original price $49.50 - Original price $49.50
Original price
$49.50
$49.50 - $49.50
Current price $49.50
Original price $49.50 - Original price $49.50
Original price
$49.50
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Current price $49.50

Brandt Organics 5% Copper - 2.5 Gallon

Liquid Copper solution complexed with lignosulfates for efficient nutrient uptake and absorption. Labeled for soil and foliar applications. 5% Copp...

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Original price $49.50 - Original price $49.50
Original price
$49.50
$49.50 - $49.50
Current price $49.50
Original price $49.50 - Original price $49.50
Original price
$49.50
$49.50 - $49.50
Current price $49.50

Brandt Organics 5% Iron - 2.5 Gallon

Liquid Iron solution complexed with lignosulfates for efficient nutrient uptake and absorption. Labeled for soil and foliar applications. 5% Iron. ...

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Original price $49.50 - Original price $49.50
Original price
$49.50
$49.50 - $49.50
Current price $49.50
Original price $49.50 - Original price $49.50
Original price
$49.50
$49.50 - $49.50
Current price $49.50

Brandt Organics 4% Magnesium - 2.5 Gallon

Liquid Magnesium solution complexed with lignosulfates for efficient nutrient uptake and absorption. Labeled for soil and foliar applications. 4% M...

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Original price $49.50 - Original price $49.50
Original price
$49.50
$49.50 - $49.50
Current price $49.50
Original price $49.50 - Original price $49.50
Original price
$49.50
$49.50 - $49.50
Current price $49.50

Brandt Organics 7% Manganese - 2.5 Gallon

Liquid Manganese solution complexed with lignosulfates for efficient nutrient uptake and absorption. Labeled for soil and foliar applications. 7% M...

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Original price $49.50 - Original price $49.50
Original price
$49.50
$49.50 - $49.50
Current price $49.50
Original price $49.50 - Original price $49.50
Original price
$49.50
$49.50 - $49.50
Current price $49.50

Brandt Organics 7% Zinc - 2.5 Gallon

Liquid Zinc solution complexed with lignosulfates for efficient nutrient uptake and absorption. Labeled for soil and foliar applications. 7% Zinc. ...

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Original price $49.50 - Original price $49.50
Original price
$49.50
$49.50 - $49.50
Current price $49.50
Original price $415.00 - Original price $415.00
Original price
$415.00
$415.00 - $415.00
Current price $415.00

Coast of Maine Schoodic Cow Manure Compost - 60 cu ft

A dark, rich soil made from carefully composted cow manure and sphagnum peat moss. The cow manure for the Schoodic Blend comes from local beef and ...

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Original price $415.00 - Original price $415.00
Original price
$415.00
$415.00 - $415.00
Current price $415.00
Original price $0.00 - Original price $0.00
Original price
Call for pricing
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Current price $0.00

Vermont Compost Company Mud - 2 cu yd

Here at Seven Springs we have a lot of clients from Vermont. We know because they're always sure to tell us before we ask. You know what else they ...

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Original price $0.00 - Original price $0.00
Original price
Call for pricing
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Current price $0.00
Original price $560.00 - Original price $560.00
Original price
$560.00
$560.00 - $560.00
Current price $560.00

Seven Springs High Tunnel Blend (4-1-4) - 1000 lb

For high turnover, high production plantings, especially in high tunnels. This blend is aimed at meeting the needs of intensively grown vegetable c...

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Original price $560.00 - Original price $560.00
Original price
$560.00
$560.00 - $560.00
Current price $560.00
Original price $1,005.00 - Original price $1,005.00
Original price
$1,005.00
$1,005.00 - $1,005.00
Current price $1,005.00

Seven Springs High Tunnel Blend (4-1-4) - 2000 lb

For high turnover, high production plantings, especially in high tunnels. This blend is aimed at meeting the needs of intensively grown vegetable c...

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Original price $1,005.00 - Original price $1,005.00
Original price
$1,005.00
$1,005.00 - $1,005.00
Current price $1,005.00
Original price $580.00 - Original price $580.00
Original price
$580.00
$580.00 - $580.00
Current price $580.00

Seven Springs Tree, Vine and Berry (4-5-4) - 1000 lb

Designed to provide trees, vines and other perennials with the nutrients they need to establish robust and healthy root systems, and as a replenish...

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Original price $580.00 - Original price $580.00
Original price
$580.00
$580.00 - $580.00
Current price $580.00
Original price $1,040.00 - Original price $1,040.00
Original price
$1,040.00
$1,040.00 - $1,040.00
Current price $1,040.00

Seven Springs Tree, Vine and Berry (4-5-4) - 2000 lb

Designed to provide trees, vines and other perennials with the nutrients they need to establish robust and healthy root systems, and as a replenish...

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Original price $1,040.00 - Original price $1,040.00
Original price
$1,040.00
$1,040.00 - $1,040.00
Current price $1,040.00
Original price $660.00 - Original price $660.00
Original price
$660.00
$660.00 - $660.00
Current price $660.00

Seven Springs Starter Blend (9-2-2) - 1000 lb

A blend of readily-available and moderate release nutrients to help plants get off to a quick and healthy start and stay strong and steady through ...

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Original price $660.00 - Original price $660.00
Original price
$660.00
$660.00 - $660.00
Current price $660.00
Original price $1,095.00 - Original price $1,095.00
Original price
$1,095.00
$1,095.00 - $1,095.00
Current price $1,095.00

Seven Springs Starter Blend (9-2-2) - 2000 lb

A blend of readily-available and moderate release nutrients to help plants get off to a quick and healthy start and stay strong and steady through ...

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Original price $1,095.00 - Original price $1,095.00
Original price
$1,095.00
$1,095.00 - $1,095.00
Current price $1,095.00
Original price $805.00 - Original price $805.00
Original price
$805.00
$805.00 - $805.00
Current price $805.00

Seven Springs Premium All Purpose (7-6-7) - 1000 lb

A balanced and concentrated blend of premium biology-building nutrient sources, plus humates and trace minerals. Ideal for use at planting and mid-...

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Original price $805.00 - Original price $805.00
Original price
$805.00
$805.00 - $805.00
Current price $805.00
Original price $1,495.00 - Original price $1,495.00
Original price
$1,495.00
$1,495.00 - $1,495.00
Current price $1,495.00

Seven Springs Premium All Purpose (7-6-7) - 2000 lb

A balanced and concentrated blend of premium biology-building nutrient sources, plus humates and trace minerals. Ideal for use at planting and mid-...

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Original price $1,495.00 - Original price $1,495.00
Original price
$1,495.00
$1,495.00 - $1,495.00
Current price $1,495.00
Original price $965.00 - Original price $965.00
Original price
$965.00
$965.00 - $965.00
Current price $965.00

Neversink Blend (6-1-7) - 1000 lb

Developed and used by Conor Crickmore of Neversink Farm to help meet the demands of their intensive vegetable production system. All ingredients ar...

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Original price $965.00 - Original price $965.00
Original price
$965.00
$965.00 - $965.00
Current price $965.00
Original price $1,920.00 - Original price $1,920.00
Original price
$1,920.00
$1,920.00 - $1,920.00
Current price $1,920.00

Neversink Blend (6-1-7) - 2000 lb

Developed and used by Conor Crickmore of Neversink Farm to help meet the demands of their intensive vegetable production system. All ingredients ar...

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Original price $1,920.00 - Original price $1,920.00
Original price
$1,920.00
$1,920.00 - $1,920.00
Current price $1,920.00
Original price $28.20 - Original price $28.20
Original price
$28.20
$28.20 - $28.20
Current price $28.20

Zinc Sulfate 35% - 5 lb

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

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Original price $28.20 - Original price $28.20
Original price
$28.20
$28.20 - $28.20
Current price $28.20
Original price $25.80 - Original price $25.80
Original price
$25.80
$25.80 - $25.80
Current price $25.80

Manganese Sulfate 31.5% - 5 lb

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...

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Original price $25.80 - Original price $25.80
Original price
$25.80
$25.80 - $25.80
Current price $25.80
Original price $22.80 - Original price $22.80
Original price
$22.80
$22.80 - $22.80
Current price $22.80

Iron Sulfate 20% - 5 lb

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

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Original price $22.80 - Original price $22.80
Original price
$22.80
$22.80 - $22.80
Current price $22.80
Original price $38.20 - Original price $38.20
Original price
$38.20
$38.20 - $38.20
Current price $38.20

Copper Sulfate 25% - 5 lb

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...

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