Skip to content
On-site pickups are by appointment only, please call us if you'd like to schedule a pickup.
On-site pickups are by appointment only, please call us if you'd like to schedule a pickup.

Fertilizers

A collection of the very best natural and biologically-based fertility sources available.
  • Original price $73.45 - Original price $73.45
    Original price
    $73.45
    $73.45 - $73.45
    Current price $73.45

    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...

    View full details
    Original price $73.45 - Original price $73.45
    Original price
    $73.45
    $73.45 - $73.45
    Current price $73.45
  • Original price $40.60 - Original price $40.60
    Original price
    $40.60
    $40.60 - $40.60
    Current price $40.60

    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...

    View full details
    Original price $40.60 - Original price $40.60
    Original price
    $40.60
    $40.60 - $40.60
    Current price $40.60
  • Original price $49.70 - Original price $49.70
    Original price
    $49.70
    $49.70 - $49.70
    Current price $49.70

    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...

    View full details
    Original price $49.70 - Original price $49.70
    Original price
    $49.70
    $49.70 - $49.70
    Current price $49.70
  • Original price $15.10 - Original price $15.10
    Original price
    $15.10
    $15.10 - $15.10
    Current price $15.10

    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...

    View full details
    Original price $15.10 - Original price $15.10
    Original price
    $15.10
    $15.10 - $15.10
    Current price $15.10
  • Original price $26.30 - Original price $26.30
    Original price
    $26.30
    $26.30 - $26.30
    Current price $26.30

    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...

    View full details
    Original price $26.30 - Original price $26.30
    Original price
    $26.30
    $26.30 - $26.30
    Current price $26.30
  • Original price $12.90 - Original price $12.90
    Original price
    $12.90
    $12.90 - $12.90
    Current price $12.90

    Mikro-Myco - 2 oz Bag

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

    View full details
    Original price $12.90 - Original price $12.90
    Original price
    $12.90
    $12.90 - $12.90
    Current price $12.90
  • Original price $16.10 - Original price $16.10
    Original price
    $16.10
    $16.10 - $16.10
    Current price $16.10

    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...

    View full details
    Original price $16.10 - Original price $16.10
    Original price
    $16.10
    $16.10 - $16.10
    Current price $16.10
  • Original price $15.00 - Original price $15.00
    Original price
    $15.00
    $15.00 - $15.00
    Current price $15.00

    Maxicrop Soluble Seaweed Powder (0-0-17) - 10.7 oz

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

    View full details
    Original price $15.00 - Original price $15.00
    Original price
    $15.00
    $15.00 - $15.00
    Current price $15.00
  • Original price $99.35 - Original price $99.35
    Original price
    $99.35
    $99.35 - $99.35
    Current price $99.35

    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...

    View full details
    Original price $99.35 - Original price $99.35
    Original price
    $99.35
    $99.35 - $99.35
    Current price $99.35
  • Original price $17.25 - Original price $17.25
    Original price
    $17.25
    $17.25 - $17.25
    Current price $17.25

    Terra Alba Gypsum - Soluble Powder - 50 lb bag

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

    Original price $17.25 - Original price $17.25
    Original price
    $17.25
    $17.25 - $17.25
    Current price $17.25
  • Original price $15.20 - Original price $15.20
    Original price
    $15.20
    $15.20 - $15.20
    Current price $15.20

    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...

    View full details
    Original price $15.20 - Original price $15.20
    Original price
    $15.20
    $15.20 - $15.20
    Current price $15.20
  • Original price $12.75 - Original price $12.75
    Original price
    $12.75
    $12.75 - $12.75
    Current price $12.75

    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 ...

    View full details
    Original price $12.75 - Original price $12.75
    Original price
    $12.75
    $12.75 - $12.75
    Current price $12.75
  • Original price $29.40 - Original price $29.40
    Original price
    $29.40
    $29.40 - $29.40
    Current price $29.40

    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...

    View full details
    Original price $29.40 - Original price $29.40
    Original price
    $29.40
    $29.40 - $29.40
    Current price $29.40
  • Original price $263.90 - Original price $263.90
    Original price
    $263.90
    $263.90 - $263.90
    Current price $263.90

    K-Mate SG (0-0-12) - 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 ...

    View full details
    Original price $263.90 - Original price $263.90
    Original price
    $263.90
    $263.90 - $263.90
    Current price $263.90
  • Original price $197.50 - Original price $197.50
    Original price
    $197.50
    $197.50 - $197.50
    Current price $197.50

    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....

    View full details
    Original price $197.50 - Original price $197.50
    Original price
    $197.50
    $197.50 - $197.50
    Current price $197.50
  • Original price $0.00 - Original price $0.00
    Original price
    $0.00
    $0.00 - $0.00
    Current price $0.00

    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...

    View full details
    Original price $0.00 - Original price $0.00
    Original price
    $0.00
    $0.00 - $0.00
    Current price $0.00
  • Original price $16.95 - Original price $16.95
    Original price
    $16.95
    $16.95 - $16.95
    Current price $16.95

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

    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...

    View full details
    Original price $16.95 - Original price $16.95
    Original price
    $16.95
    $16.95 - $16.95
    Current price $16.95
  • Original price $12.20 - Original price $12.20
    Original price
    $12.20
    $12.20 - $12.20
    Current price $12.20

    DTE Bone Meal (3-15-0) - 5 lb

    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...

    View full details
    Original price $12.20 - Original price $12.20
    Original price
    $12.20
    $12.20 - $12.20
    Current price $12.20
  • Original price $10.00 - Original price $10.00
    Original price
    $10.00
    $10.00 - $10.00
    Current price $10.00

    DTE Azomite Micronized (0-0-0.2) - 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 ...

    View full details
    Original price $10.00 - Original price $10.00
    Original price
    $10.00
    $10.00 - $10.00
    Current price $10.00
  • Original price $11.65 - Original price $11.65
    Original price
    $11.65
    $11.65 - $11.65
    Current price $11.65

    DTE 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...

    View full details
    Original price $11.65 - Original price $11.65
    Original price
    $11.65
    $11.65 - $11.65
    Current price $11.65
  • Original price $1,225.00 - Original price $1,225.00
    Original price
    $1,225.00
    $1,225.00 - $1,225.00
    Current price $1,225.00

    Bone Meal - 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...

    View full details
    Original price $1,225.00 - Original price $1,225.00
    Original price
    $1,225.00
    $1,225.00 - $1,225.00
    Current price $1,225.00
  • Original price $1,150.00 - Original price $1,150.00
    Original price
    $1,150.00
    $1,150.00 - $1,150.00
    Current price $1,150.00

    Feather Meal - 1 Ton Tote

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

    View full details
    Original price $1,150.00 - Original price $1,150.00
    Original price
    $1,150.00
    $1,150.00 - $1,150.00
    Current price $1,150.00
  • Original price $1,789.00 - Original price $1,789.00
    Original price
    $1,789.00
    $1,789.00 - $1,789.00
    Current price $1,789.00

    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...

    View full details
    Original price $1,789.00 - Original price $1,789.00
    Original price
    $1,789.00
    $1,789.00 - $1,789.00
    Current price $1,789.00
  • Original price $33.50 - Original price $33.50
    Original price
    $33.50
    $33.50 - $33.50
    Current price $33.50

    Feather Meal - 40lb Bag

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

    View full details
    Original price $33.50 - Original price $33.50
    Original price
    $33.50
    $33.50 - $33.50
    Current price $33.50

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!