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On-site pickups can now be placed online, but please call us to schedule a pickup time.

Potassium

Biological and mineral potassium sources for pre-plant and top/side dress K needs. Potassium is critical for key plant functions including regulating plant water status and CO2 uptake.

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  • $298.50 - $298.50
    $298.50
    $298.50 - $298.50
    $298.50

    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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    $298.50 - $298.50
    $298.50
    $298.50 - $298.50
    $298.50
  • $46.00 - $46.00
    $46.00
    $46.00 - $46.00
    $46.00

    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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    $46.00 - $46.00
    $46.00
    $46.00 - $46.00
    $46.00
  • $56.50 - $56.50
    $56.50
    $56.50 - $56.50
    $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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    $56.50 - $56.50
    $56.50
    $56.50 - $56.50
    $56.50
  • Sold out
    $41.10 - $41.10
    $41.10
    $41.10 - $41.10
    $41.10

    Kmag or SulPoMag Granular (0-0-22+21S+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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    $41.10 - $41.10
    $41.10
    $41.10 - $41.10
    $41.10
    Sold out
  • $42.60 - $42.60
    $42.60
    $42.60 - $42.60
    $42.60

    K*ASH - Sunflower Hull Ash (0-4-34)+micros - 50 lb Bag

    K*Ash enriches the soil, tempers acidity, and improves soil structure and microbial flora while providing potassium and other essential nutrients. ...

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    $42.60 - $42.60
    $42.60
    $42.60 - $42.60
    $42.60
  • Sold out
    $53.30 - $53.30
    $53.30
    $53.30 - $53.30
    $53.30

    BioLink® Potassium Fertilizer Liquid (0-0-6) - 2.5 Gallon

    BioLink Potassium Fertilizer (0-0-6) is a liquid fertilizer containing 6.0% soluble potash derived from sulfate of potash (potassium sulfate). It c...

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    $53.30 - $53.30
    $53.30
    $53.30 - $53.30
    $53.30
    Sold out
  • $11.65 - $11.65
    $11.65
    $11.65 - $11.65
    $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...

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    $11.65 - $11.65
    $11.65
    $11.65 - $11.65
    $11.65
  • $20.95 - $20.95
    $20.95
    $20.95 - $20.95
    $20.95

    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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    $20.95 - $20.95
    $20.95
    $20.95 - $20.95
    $20.95
  • $20.95 - $20.95
    $20.95
    $20.95 - $20.95
    $20.95

    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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    $20.95 - $20.95
    $20.95
    $20.95 - $20.95
    $20.95
  • $263.90 - $263.90
    $263.90
    $263.90 - $263.90
    $263.90

    K-Mate SG (0-0-12) - 50lb Bag

    K-Mate SG is a highly concentrated (99%) organic humic acid product that is designed to be dissolved into water to make your own liquid potassium h...

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    $263.90 - $263.90
    $263.90
    $263.90 - $263.90
    $263.90
  • $1,789.00 - $1,789.00
    $1,789.00
    $1,789.00 - $1,789.00
    $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...

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    $1,789.00 - $1,789.00
    $1,789.00
    $1,789.00 - $1,789.00
    $1,789.00

  • Allganic Soluble Potassium Sulfate SOP (0-0-52-Sulfur 18%) - 50 lb x 56 Bags

    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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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!