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Fertilize and Soil Amendments

Fertilize and Soil Amendments

Fertilizers & Soil Amendments

Give your plants the essential nutrients they need to truly thrive! Our carefully curated collection of specific fertilizers and soil amendments is designed to cover the fundamental growing needs of almost any plant, with a special focus on maximizing your garden vegetable harvest.

Whether you are looking to boost your tomato yields, enrich your soil with premium compost, or balance your hydroponic setup, you will find exactly what your garden is hungry for.

What You'll Find in Our Collection:

  • Targeted Crop Formulas: Maximize your harvest with specialized NPK blends expertly formulated for heavy-feeding vegetables like tomatoes and cucumbers.

  • Essential Minerals & Nutrients: Pinpoint your plant's exact needs with specific, high-quality supplements including Calcium Nitrate, Cal-Mag, Potassium Sulfate, and more.

  • Organic Soil Builders: Naturally enrich your growing environment and feed your soil with organic blood meal and nutrient-dense, general-use compost.

  • Versatile Applications: Highly effective and easily adaptable solutions perfect for traditional soil gardening, raised beds, foliar applications, and hydroponic systems.

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  • Premium water-soluble strawberry fertilizer 8-12-32 for hydroponics and soil
    $24.99 - $214.99
    $24.99
    $24.99 - $214.99
    $24.99 - $214.99
    $24.99

    Premium Strawberry Fertilizer 8-12-32 | Water-Soluble | Hydroponics & Soil

    Greenway Biotech, Inc.

    Strawberry Fertilizer (8-12-32) Maximize your harvest with our premium, 100% Water-Soluble Strawberry Fertilizer. Built specifically for all variet...

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    $24.99 - $214.99
    $24.99
    $24.99 - $214.99
    $24.99 - $214.99
    $24.99
  • Premium 14-6-4 Citrus & Avocado Fertilizer bag with water-soluble nutrition for salt-sensitive trees
    $24.99 - $119.99
    $24.99 - $119.99
    $24.99 - $119.99
    $24.99

    Premium Citrus & Avocado Fertilizer 14-6-4 | 100% Water-Soluble

    Greenway Biotech, Inc.

    Citrus & Avocado Fertilizer (14-6-4) Deliver professional-grade nutrition to your orchard with our 100% Water-Soluble Citrus & Avocado Fe...

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    $24.99 - $119.99
    $24.99 - $119.99
    $24.99 - $119.99
    $24.99
  • Bag of Ammonium Sulfate Fertilizer 21-0-0 for acid-loving plants and soil acidification
    $0.00 - $141.99
    $0.00
    $24.99 - $149.99
    $24.99 - $149.99
    $24.99

    Ammonium Sulfate Fertilizer 21-0-0 (Fast Acting)

    Greenway Biotech, Inc.

    Ammonium Sulfate Fertilizer (21-0-0) Give your acid-loving plants and lawns the targeted nutrition they crave with our Ammonium Sulfate Fertilize...

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    $0.00 - $141.99
    $0.00
    $24.99 - $149.99
    $24.99 - $149.99
    $24.99
  • Nitroform Fertilizer 39-0-0 slow-release nitrogen granular bag
    $21.99 - $177.99
    $21.99
    $21.99 - $177.99
    $21.99 - $177.99
    $21.99

    Nitroform Fertilizer 39-0-0 Slow-Release Nitrogen Fertilizer

    Greenway Biotech, Inc.

    Nitroform 39-0-0 Slow-Release Nitrogen Fertilizer Achieve steady, season-long growth and vibrant green color with Nitroform 39-0-0, a premium, high...

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    $21.99 - $177.99
    $21.99
    $21.99 - $177.99
    $21.99 - $177.99
    $21.99
  • Organic Rose and Flower Fertilizer 4-7-5 bag with natural ingredients for vibrant blooms
    $14.99 - $69.99
    $14.99
    $24.99 - $214.99
    $24.99 - $214.99
    $24.99

    Organic Rose and Flower Fertilizer 4-7-5

    Greenway Biotech, Inc.

    Organic Rose & Flower Fertilizer (4-7-5) Cultivate vibrant, long-lasting blooms with our slow-release granular fertilizer. Specially formulated...

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    $14.99 - $69.99
    $14.99
    $24.99 - $214.99
    $24.99 - $214.99
    $24.99
  • Crystal clear organic boric acid fertilizer showing 17% elemental boron for plant nutrition
    $16.99 - $74.99
    $16.99
    $19.99 - $99.99
    $19.99 - $99.99
    $19.99

    Organic Boric Acid

    Greenway Biotech, Inc.

    Organic Boric Acid Fertilizer (17% Boron) Maximize your crop's potential with our Organic Boric Acid Fertilizer. Refined to a laboratory-grade 99.9...

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    $16.99 - $74.99
    $16.99
    $19.99 - $99.99
    $19.99 - $99.99
    $19.99
  • Close-up of vibrant blue copper sulfate crystals in a container for agricultural and pond management use
    Close-up of blue copper sulfate crystals showcasing 99% pure copper sulfate pentahydrate for agricultural and pond management uses
    Save up to 3% Save %
    $21.99 - $244.99
    $21.99 - $244.99
    $21.99
    $21.99 - $242.99
    $21.99 - $242.99
    $21.99

    Copper Sulfate Crystals

    Greenway Biotech, Inc.

    Versatile, 99% pure copper sulfate pentahydrate for agricultural, pond, and livestock management. Fully water-soluble with zero fillers or binders...

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    $21.99 - $244.99
    $21.99 - $244.99
    $21.99
    $21.99 - $242.99
    $21.99 - $242.99
    $21.99
    Save up to 3% Save %
  • Resealable bag of USP grade Epsom Salt magnesium sulfate for bath and garden use
    Bag of USP-grade Epsom Salt (magnesium sulfate) for bath, foot soak, and garden use
    $18.99 - $89.99
    $18.99 - $89.99
    $18.99 - $89.99
    $18.99

    Epsom Salt USP Grade (Magnesium Sulfate) — Bath, Foot Soak & Garden

    Greenway Biotech, Inc.

    Pure, fast-dissolving magnesium sulfate for personal wellness and lush gardens. Sourced and packaged in the USA, our USP-Grade Epsom Salt meets st...

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    $18.99 - $89.99
    $18.99 - $89.99
    $18.99 - $89.99
    $18.99
  • Bottle of Vital Cal-Mag liquid calcium-magnesium fertilizer for healthy plant growth
    $27.78 - $4,400.00
    $27.78 - $4,400.00
    $27.78 - $4,400.00
    $27.78

    Vital Cal-Mag - Liquid Calcium-Magnesium Fertilizer 1-0-0

    Vital Garden Supply

    Boost Your Garden's Vitality with Vital Cal-Mag! 🌱 Give your plants the essential building blocks they need to thrive. Our organic liquid fertilize...

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    $27.78 - $4,400.00
    $27.78 - $4,400.00
    $27.78 - $4,400.00
    $27.78
  • Bag of Urea Fertilizer 46-0-0 prills for high nitrogen soil application
    Bag of Urea Fertilizer 46-0-0 prills for nitrogen-rich soil application
    $18.99 - $146.99
    $18.99
    $18.99 - $146.99
    $18.99 - $146.99
    $18.99

    Urea Fertilizer 46-0-0

    Greenway Biotech, Inc.

    Urea Fertilizer 46-0-0 Fuel lush, explosive vegetative growth with Urea Fertilizer 46-0-0, a highly concentrated, prilled nitrogen fertilizer desig...

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    $18.99 - $146.99
    $18.99
    $18.99 - $146.99
    $18.99 - $146.99
    $18.99
  • Potassium Sulfate Fertilizer 0-0-53 crystalline white granules in container for chloride-free crop nutrition
    Crystal form Potassium Sulfate Fertilizer 0-0-53 bag with potassium and sulfur nutrients for chloride-sensitive crops
    $21.99 - $173.99
    $21.99
    $21.99 - $173.99
    $21.99 - $173.99
    $21.99

    Potassium Sulfate Fertilizer 0-0-53

    Greenway Biotech, Inc.

    Potassium Sulfate Fertilizer 0-0-53 Maximize your crop's quality and yield with Potassium Sulfate Fertilizer 0-0-53, a solution-grade, 100% water-s...

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    $21.99 - $173.99
    $21.99
    $21.99 - $173.99
    $21.99 - $173.99
    $21.99
  • Monoammonium Phosphate 12-61-0 water-soluble fertilizer for root development and flowering
    Monoammonium Phosphate 12-61-0 water-soluble fertilizer for root growth and flowering
    $24.99 - $189.99
    $24.99
    $29.99 - $199.99
    $29.99 - $199.99
    $29.99

    Monoammonium Phosphate Fertilizer 12-61-0

    Greenway Biotech, Inc.

    Monoammonium Phosphate (MAP) 12-61-0 Maximize root development and flowering with Monoammonium Phosphate (MAP) 12-61-0. As a technical-grade, 100% ...

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    $24.99 - $189.99
    $24.99
    $29.99 - $199.99
    $29.99 - $199.99
    $29.99
  • Organic Manganese Sulfate Fertilizer bag highlighting high-purity micronutrient sulfate for vibrant plant health
    Organic manganese sulfate fertilizer bag with high-purity micronutrient for plant health
    $19.99 - $189.99
    $19.99
    $19.99 - $199.99
    $19.99 - $199.99
    $19.99

    Organic Manganese Sulfate Fertilizer

    Greenway Biotech, Inc.

    Manganese Sulfate Fertilizer Prevent and correct nutrient deficiencies with Manganese Sulfate Fertilizer, a high-purity, fully water-soluble micron...

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    $19.99 - $189.99
    $19.99
    $19.99 - $199.99
    $19.99 - $199.99
    $19.99
  • Bag of Tomato Fertilizer 4-18-38 for hydroponics, soil, and foliar application
    Tomato Fertilizer 4-18-38 for hydroponics and soil, high potassium and phosphate nutrient blend for fruiting nightshades
    $24.99 - $214.99
    $24.99
    $24.99 - $214.99
    $24.99 - $214.99
    $24.99

    Tomato Fertilizer 4-18-38 Hydroponics, Soil & Foliar Application

    Greenway Biotech, Inc.

    Tomato Fertilizer 4-18-38 Maximize your harvest with Tomato Fertilizer 4-18-38, a premium, 100% water-soluble nutrient blend specifically formulate...

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    $24.99 - $214.99
    $24.99
    $24.99 - $214.99
    $24.99 - $214.99
    $24.99
  • Calcium Nitrate Fertilizer 15.5-0-0 bag with granules, fast-acting nitrogen and calcium plant nutrient
    Bag of Calcium Nitrate Fertilizer 15.5-0-0 for hydroponics and plant nutrition
    $19.99 - $139.99
    $19.99
    $24.99 - $149.99
    $24.99 - $149.99
    $24.99

    Calcium Nitrate Fertilizer 15.5-0-0

    Greenway Biotech, Inc.

    Calcium Nitrate Fertilizer 15.5-0-0 Deliver two of the most in-demand plant nutrients in a single dissolving step with Calcium Nitrate Fertilizer 1...

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    $19.99 - $139.99
    $19.99
    $24.99 - $149.99
    $24.99 - $149.99
    $24.99
  • Organic Blood Meal 13-0-0 fast-release nitrogen fertilizer bag for garden growth
    Organic Blood Meal 13-0-0 fast-release nitrogen fertilizer bag for garden use
    $19.99 - $67.99
    $19.99
    $19.99 - $89.99
    $19.99 - $89.99
    $19.99

    Organic Blood Meal 13-0-0 Fertilizer

    Greenway Biotech, Inc.

    Organic Blood Meal 13-0-0 Fertilizer Boost your garden's growth with Organic Blood Meal 13-0-0, a premium, fast-release organic nitrogen fertilizer...

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    $19.99 - $67.99
    $19.99
    $19.99 - $89.99
    $19.99 - $89.99
    $19.99
  • Premium 8-16-36 water-soluble cucumber fertilizer for hydroponic, soil, and foliar application
    Cucumber Fertilizer 8-16-36 water-soluble for hydroponics, soil, and foliar application promoting healthy vine crop growth
    $24.99 - $214.99
    $24.99
    $24.99 - $214.99
    $24.99 - $214.99
    $24.99

    Cucumber Fertilizer 8-16-36 Hydroponics, Soil & Foliar Application

    Greenway Biotech, Inc.

    Premium Cucumber Fertilizer 8-16-36 (100% Water-Soluble) Maximize your harvest with our premium 8-16-36 Cucumber Fertilizer, a 100% water-soluble f...

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    $24.99 - $214.99
    $24.99
    $24.99 - $214.99
    $24.99 - $214.99
    $24.99
  • Compost Crew Farm Feast 5lb bag of nutrient-rich farm compost for garden soil improvement
    Save 24% Save %
    $29.00
    $29.00 - $29.00
    $29.00
    $22.00
    $22.00 - $22.00
    $22.00

    Compost Crew Farm Feast General Use Compost 5lb Bag

    Key Compostables

    Bring Your Soil Back to Life! 🌱 Give your garden the ultimate nutrient boost with Farm Feast Compost by Compost Crew. Crafted locally on Maryland f...

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    $29.00
    $29.00 - $29.00
    $29.00
    $22.00
    $22.00 - $22.00
    $22.00
    Save 24% Save %