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We're clearing out the potting shed! Check out our SALE section 🍁💸

Soil Amendments

Mixed and single-source macro and micro-nutrients.

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General

Nitrogen

Phosphorus

Potassium

Lime & Calcium

Micronutrients
    $215.00 - $215.00
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    $215.00 - $215.00
    $215.00

    Endomycorrhizal Inoculant (BEI) Micronized Powder - 10 lb Bag

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

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    Crescendo Organic Fertilizer (8-2-2) - Full Pallet 40 x 50 lb

    A fertilizer derived from composted poultry layer manure and feather meal. All-purpose for vegetables, fruits, lawn and landscape. Analysis: 3.2% w...

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    Brown's Fish Fertilizer (2-3-1) - 275 Gallons

    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...

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    Custom Fertilizer Blends

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

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    Bone Meal Granulated (2-14-0) - 1 Ton Tote

    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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    Feather Meal - 1 Ton Tote

    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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    Potassium Sulfate Granular (SOP) (0-0-50+S17%) - 2200lb Tote

    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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    Seabird Guano (0-11-0) +22% Ca - 44 lb Bag

    This Seabird Guano contains high levels of phosphate and exceptional amounts of calcium. It is the ultimate formulation for explosive fruiting and ...

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    VRD: Volcanic Rock Dust (Basalt) - 55 lb bag

    VRD™: Volcanic Rock Dust™ is found 4 degrees above the equator in an ultra rich, tropical, microclimate in Indonesia and is screened through 200 me...

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    Ferti Nitro Plus Soluble Soy (13.62-0-0) - 5 lb Bag

    From Ferti-Organic - A water-soluble powder produced enzymatically, without animal by-products. A nontoxic, non-polluting and vegan plant nutrient....

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    Soybean Meal (7-1-2) - 50 lb bag

    Vegetable protein (N source) with a relatively high mineralization rate. Also commonly used as a feed ingredient. Not approved for use in certified...

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    DTE Crab Meal (4-3-0) - 5 lb

    A byproduct of the West Coast crab harvest, Down To Earth’s Crab Meal 4-3-0 is a wonderful source of plant nutrients for vegetable gardens, flower ...

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    DTE Neem Seed Meal (6-1-2) - 5 lb

    Down To Earth’s Neem Seed Meal 6-1-2 is an excellent all natural fertilizer for enriching garden and agricultural soils and encouraging optimum pla...

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    DTE Feather Meal (12-0-0) - 5 lb

    Down To Earth’s Feather Meal 12-0-0 is derived from hydrolyzed, dried and ground poultry feathers. An all-natural source of slow-release nitrogen, ...

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    DTE Fish Bone Meal (4-12-0) - 5 lb

    Down To Earth’s Fish Bone Meal 4-12-0 is a marine-based alternative to traditional terrestrial bone meal options and is a great source of organic p...

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    DTE Solution Grade Potassium Sulfate (0-0-50) - 5 lb

    Potassium Sulfate contains potassium (K) and sulfur (S) – two of the essential nutrients that plants require to achieve optimum growth and reach th...

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    DTE Solution Grade Langbeinite (0-0-21.5) - 5 lb

    Langbeinite (AKA KMag, or SulPoMag) is a mineral that contains potassium (K), magnesium (Mg) and sulfur (S) – three of the essential nutrients that...

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    DTE Solution Grade Calcium 96 - 5 lb

    Ultra fine and highly reactive, Calcium 96 is a natural limestone powder that provides immediate availability of this valuable nutrient for plants ...

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    DTE Solution Grade Gypsum - 5 lb

    Gypsum is composed of calcium (Ca) and sulfur (S) – two of the essential nutrients that plants require to achieve optimum growth and reach their ma...

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    DTE Cottonseed Meal (6-2-1) - 5 lb

    Down To Earth’s Cottonseed Meal 6-2-1 is traditionally used to feed plants that thrive in lower pH soils, such as berries, flowering shrubs and eve...

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    DTE Fish Meal (8-6-0) - 5 lb

    Down To Earth’s Fish Meal 8-6-0 is recommended for vegetable gardens, flower beds and all types of outdoor plants, trees and shrubs. DTE Fish Meal ...

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    DTE Insect Frass (3-1-1) - 2 lb

    Down To Earth’s Insect Frass is an all-natural fertilizer produced through sustainable insect farming and derived from the larvae manure and exoske...

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    DTE Seabird Guano (0-11-0) - 5 lb

    Use Down To Earth’s high-phosphorus Seabird 0-11-0 guano throughout the flowering period for all indoor and outdoor plants. Strawberries, melons, v...

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    Crab Meal 4-4-0 +18% Ca - 1 ton tote

    Looking for high levels of Chitin to help boost soil productivity? Then we have the crab shell for you! Made from 100% Blue Crab with no other addi...

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    $1,375.00 - $1,375.00
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