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Fertilizers

A collection of the very best natural and biologically-based fertility sources available.

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  • Original price $115.00 - Original price $115.00
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    Biolink Moly4 - 2.5 gallon

    A liquid molybdenum complexed with amino acids for improved availability and uptake by plants. It provides a quick boost to plants under nutrient s...

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    Original price $115.00 - Original price $115.00
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  • Original price $25.00 - Original price $200.00
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    Seven Springs Farm Supply Gift Card

    Looking for a gift for the farmer or grower in your life? Look no further! Let them pick exactly what they need for their growing season with our g...

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    Original price $25.00 - Original price $200.00
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  • Original price $37.00 - Original price $37.00
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    Nature Safe Starter Fertilizer (5-6-6) - 50 lb Bag

    Derived from meat and bone meal, blood meal, and langbeinite. Contains 4.5% slow release Nitrogen. 0.5% water soluble Nitrogen will provide green-u...

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    Original price $37.00 - Original price $37.00
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  • Original price $59.84 - Original price $59.84
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    Explorer (16-0-0) - 8 lbs

    Ferticell's popular soluble soy protein hydrolysate. The highest N analysis we offer, in a conveniently sized bucket. 8 lbs contains 1.28 lbs of N....

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    Original price $59.84 - Original price $59.84
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  • Original price $144.48 - Original price $144.48
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    ProPhos (0-20-0) - 3.5 gal

    Made from rock phosphate. 20% P2O5. For foliar or drip applications. 3.5 gal contains 11.3 lbs of available P2O5. Label SDS WSDA CDFA Eco...

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    Original price $144.48 - Original price $144.48
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  • Original price $359.04 - Original price $359.04
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    ProCal (3-0-0) plus 20% Ca - 44 lbs

    Derived from soy protein and calcium carbonate. 3% N provides a carrier for the calcium to ensure distribution in the plant. 44 lbs contains 1.32 l...

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    Original price $359.04 - Original price $359.04
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  • Original price $73.44 - Original price $73.44
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    ProCal (3-0-0) plus 20% Ca - 8 lbs

    Derived from soy protein and calcium carbonate. 3% N provides a carrier for the calcium to ensure distribution in the plant. 8 lbs contains 0.24 lb...

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  • Original price $40.00 - Original price $40.00
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    Cal-Mag Amplified (2-0-0) - 1 Gal

    2% N, 3.5% Ca, 1% Mg, 0.1% Fe. Provides supplemental Calcium and Magnesium. Especially popular with container gardeners. Apply 1# per plant every 4...

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    Original price $40.00 - Original price $40.00
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  • Original price $49.00 - Original price $49.00
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    Mycorrhizal Inoculant Plus+ - 1.5 lb Bag

    A complete root bio stimulant with a concentrated blend of Endo and Ecto Mycorrhizal Fungi and Beneficial Bacteria. Four Endo Species (120 prop/gra...

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    Original price $49.00 - Original price $49.00
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  • Original price $14.90 - Original price $14.90
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    Mikro-H2O - 4 oz Bag

    High concentrations of Bacillus subtilis and B. amyloliquefaciens create a biofilm in the rhizosphere to help plants retain water and better manage...

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    Original price $14.90 - Original price $14.90
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  • Original price $25.90 - Original price $25.90
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    Mikro-BW Bloom Wizard - 8 fl oz

    This blend contains Bacillus subtilis and B. amyloliquefaciens, both root colonizers that promote growth and protect plants, as well as soluble sea...

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    Original price $25.90 - Original price $25.90
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  • Original price $10.99 - Original price $10.99
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    Mikro-Myco - 2 oz Bag

    18 species of beneficial soil microbes together in one superpack! Includes endo and ectomycorrhizae (Glomus, Rhizopogon, Pisolithus and Scleroderma...

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    Original price $10.99 - Original price $10.99
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  • Original price $15.90 - Original price $15.90
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    Mikro-Root - 2 oz Bag

    Trichoderma harzianum and T. viride (two root-colonizing, beneficial fungi) help solubilize phosphate and create bigger, healthier and disease-free...

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  • Original price $15.00 - Original price $15.00
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    Maxicrop Soluble Seaweed Powder (0-0-17) - 10.7 oz

    Seaweed is high in minerals that increase health and vigor of plants. Maxicrop is used as a supplement to your fertilizer program. It will benefit ...

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    Original price $15.00 - Original price $15.00
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  • Original price $97.90 - Original price $97.90
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    TRIGGRR (0-0-1) - 1 Gal

    Liquid concentrate derived from Kelp and plant extracts. Contains 0.45% Humic Acid. For use as a foliar, soil, transplant, container or seed treatm...

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    Original price $97.90 - Original price $97.90
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  • Original price $17.00 - Original price $17.00
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    Terra Alba Gypsum - Soluble Powder - 50 lb bag

    Extremely pure, solution-grade Calcium Sulfate. Apply according to soil test recommendations. Spec Sheet SDS

    Original price $17.00 - Original price $17.00
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  • Original price $15.00 - Original price $15.00
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    Wakefield HERO BioChar and Compost Blend - 1 cu. ft. Bag

    Compost HERO biochar blend is made with premium Wakefield BioChar, organic compost and mycorrhizal fungi to create a superior soil conditioner. The...

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    Original price $15.00 - Original price $15.00
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  • Original price $12.75 - Original price $12.75
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    NutraSoft OP Gypsum - 40lb Bag

    NutraSoft OP Gypsum is an OMRI listed organic, granulated gypsum soil amendment for lawns and gardens. Applying NutraSoft OP Gypsum is will loosen ...

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    Original price $12.75 - Original price $12.75
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  • Original price $29.00 - Original price $29.00
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    Black Gypsum DG - 50lb Bag

    Black Gypsum DG granules are homogenous and combine natural gypsum and humic substances to form a unique bio-amendment. DG Technology creates a dus...

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    Original price $29.00 - Original price $29.00
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  • Original price $260.00 - Original price $260.00
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    K-Mate SG - 50lb Bag

    K-Mate SG is a highly concentrated organic product that is designed to be dissolved into water to make your own liquid humate solution. Because of ...

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    Original price $260.00 - Original price $260.00
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  • Original price $190.00 - Original price $190.00
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    BlueGold Nitrogen (14-0-0) - 44 lb Bag

    BlueGold® Nitrogen has been micronized so that more of the Nitrogen is available to the plant. It is 100% Water-Soluble and is free of harsh odors....

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    Original price $190.00 - Original price $190.00
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  • Custom Fertilizer Blends

    Seven Springs can work with you to custom blend fertilizers to meet a desired analysis or create the blend of your choice using your preferred ingr...

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  • Original price $16.95 - Original price $16.95
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    Blood Meal (12-0-0) - 5 lb Box

    A readily available source of organic nitrogen, Down To Earth’s Blood Meal 12-0-0 is great for heavy feeders, like corn, spinach, broccoli and leaf...

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    Original price $16.95 - Original price $16.95
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  • Original price $12.00 - Original price $12.00
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    Bone Meal (3-15-0) - 5 lb Box

    A wonderful source of phosphorous and calcium for flowering plants, trees and ornamentals, Down To Earth™ Bone Meal 3-15-0 is also recognized as th...

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    Original price $12.00 - Original price $12.00
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  • Original price $9.89 - Original price $9.89
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    Azomite Micronized - 5 lb Box

    Down To Earth’s AZOMITE is a natural mineral product mined in central Utah. This unique deposit was formed when an ancient volcano erupted and its ...

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    Original price $9.89 - Original price $9.89
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  • Original price $11.49 - Original price $11.49
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    Langbeinite - K-Mag (0-0-22) - 5 lb Box

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

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    Original price $11.49 - Original price $11.49
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Shipping Notice

Looks like your order might be big enough to ship on a pallet!

We have great pallet rates with our partner carriers and, if you're east of the Mississippi, you likely qualify for flat rates up to 2400 lbs. We can ship any size order but for orders of 5000 lbs and up (or if the website is only quoting UPS rates) you'll want to call us 800-540-9181 for the best shipping rate. Thank you!