Foliar Fertilizer Supplies

  • Foliar Spray Adjuvants and Surfactants collection button image.

    Adjuvants

    Foliar Spray Adjuvants & SurfactantsGet more out of every foliar application with...

    Adjuvants

  • Foliar Equipment

    Foliar Equipment

    Apply Foliar Fertilizers with Precision & EfficiencyCustom Hydro stocks a selection of...

    Foliar Equipment

  • Foliar Fertilizers

    Foliar Fertilizers

    Superior Foliar Fertilizers For Better Yields Shop Custom Hydro for an extensive...

    Foliar Fertilizers

Everything You Need to Run an Effective Foliar Program

Custom Hydro stocks a curated selection of foliar fertilizer supplies for farms, orchards, and gardens. The right adjuvants and accessories improve spray coverage, nutrient absorption, and product stability — getting more out of every foliar application.

Foliar Supplies Categories

  • Foliar Fertilizers — macro & micronutrient solutions for targeted plant nutrition
  • Spreader-Stickers & Surfactants — improve leaf coverage & reduce runoff
  • pH Buffers & Acidifiers — optimize spray solution pH for nutrient stability
  • Chelating Agents — enhance micronutrient solubility & uptake
  • Mixing & Measuring Tools — accurate dilution for consistent results

Fast nationwide shipping available.

  • Magriculture Magnesium Sulfate 50 lb. bag. Magriculture Magnesium Sulfate Heptahydrate 50 lb
    Magriculture Magnesium Sulfate Heptahydrate 50 lb
    Grower Price
    Magriculture Magnesium Sulfate Heptahydrate 50 lb
    $26.30
    $41.64 $26.30
    $0.53 lb
    Grower Price
  • Calcium Chloride fertilizer 50 lb. Calcium Chloride fertilizer 50 lb.
    Calcium Chloride fertilizer 50 lb.
    Grower Price
    Calcium Chloride fertilizer 50 lb.
    $36.02
    $43.40 $36.02
    $0.72 lb
    Grower Price
  • Metalosate Calcium Organic 5 lb. Metalosate Calcium Organic 5 lb.
    Metalosate Calcium Organic 5 lb.
    Grower Price
    Metalosate Calcium Organic 5 lb.
    $96.91
    $143.80 $96.91
    Grower Price
  • Haifa Magnisal magnesium nitrate 11-0-0 fertilizer 50 lb bag on white background Haifa Magnisal magnesium nitrate prills close-up — pure white water-soluble fertilizer granules
    Haifa Magnisal Magnesium Nitrate 11-0-0 Fertilizer 50 lb.
    Grower Price
    Haifa Magnisal Magnesium Nitrate 11-0-0 Fertilizer 50 lb.
    $36.68
    $65.00 $36.68
    $0.73 lb
    Grower Price
  • Ferti-Organic Soluble Fulvic Acid 69% - 1 lb Ferti-Organic Soluble Fulvic Acid 69% - 1 lb
    Ferti-Organic Soluble Fulvic Acid 69% - 1 lb
    Ferti-Organic Soluble Fulvic Acid 69% - 1 lb
    $13.40
    $0.00 $13.40
    $13.40 lb
  • Calcium Chloride fertilizer 4 lb.
    Calcium Chloride fertilizer 4 lb.
    Calcium Chloride fertilizer 4 lb.
    $14.00
    $0.00 $14.00
    $3.50 lb
  • Metalosate MultiMineral Organic 5 lb amino acid chelated foliar fertilizer jug USDA organic Metalosate Multimineral fertilizer packaging with images of fruits and vegetables on a white background
    Metalosate MultiMineral Organic 5 lb.
    Grower Price
    Metalosate MultiMineral Organic 5 lb.
    $100.70
    $151.42 $100.70
    $20.14 lb
    Grower Price
  • Calcium Chloride fertilizer 20 lb.
    Calcium Chloride fertilizer 20 lb.
    Calcium Chloride fertilizer 20 lb.
    $24.64
    $0.00 $24.64
    $1.23 lb
  • Ferti-Organic Soluble Fulvic Acid 69% - 4 lb Ferti-Organic Soluble Fulvic Acid 69% - 4 lb
    Ferti-Organic Soluble Fulvic Acid 69% - 4 lb
    Ferti-Organic Soluble Fulvic Acid 69% - 4 lb
    $31.15
    $0.00 $31.15
    $7.79 lb
  • Ferti-Organic Soluble Fulvic Acid 50 lb. Ferti-Organic Soluble Fulvic Acid 69% - 50 lb
    Ferti-Organic Soluble Fulvic Acid 69% - 50 lb
    Grower Price
    Ferti-Organic Soluble Fulvic Acid 69% - 50 lb
    $218.95
    $304.10 $218.95
    $4.38 lb
    Grower Price
  • Metalosate Calcium Boron Organic 5 lb. Metalosate Calcium Boron Organic 5 lb.
    Metalosate Calcium Boron Organic 5 lb.
    Grower Price
    Metalosate Calcium Boron Organic 5 lb.
    $96.91
    $143.80 $96.91
    Grower Price
  • Urea 46-0-0 fertilizer low biuret 50 lb. Urea 46-0-0 fertilizer low biuret 50 lb.
    Urea 46-0-0 fertilizer low biuret 50 lb.
    Grower Price
    Urea 46-0-0 fertilizer low biuret 50 lb.
    $39.27
    $54.54 $39.27
    Grower Price
  • CapSil Foliar Surfactant Comparison of water droplets spreading out on a textured blue surface treated with CapSil, a competitor product, and untreated.
    Aquatrols CapSil Spray Adjuvant 1 Gallon
    Grower Price
    Aquatrols CapSil Spray Adjuvant 1 Gallon
    $184.59
    $264.78 $184.59
    $1.44 oz
    Grower Price
  • SoluGreen 21-0-0 ammonium sulfate water soluble fertilizer 50 lb bag — American Plant Food Corp. SoluGreen ammonium sulfate crystals, 21-0-0 + 24% sulfur fertilizer — lowest heavy metal content
    SoluGreen Ammonium Sulfate 21-0-0 fertilizer 50 lb.
    Grower Price
    SoluGreen Ammonium Sulfate 21-0-0 fertilizer 50 lb.
    $30.27
    $59.62 $30.27
    $0.61 lb
    Grower Price
  • K+S Magnesium Sulfate 50 lb.
    K+S Magnesium Sulfate 50 lb
    Sold out
    K+S Magnesium Sulfate 50 lb
    $36.85
    $47.25 $36.85
    Sold out
  • Metalosate Manganese fertilizer container with a colorful display of fruits and vegetables on a white background Metalosate Manganese Organic 5 lb.
    Metalosate Manganese Organic 5 lb.
    Grower Price
    Metalosate Manganese Organic 5 lb.
    $96.91
    $143.80 $96.91
    Grower Price

Serving Arkansas, Kansas, Missouri and Oklahoma. Shipping Nationwide! Wholesale to the public!