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Fertilizers & Plant Food

Shop fertilizers & plant food in our soils, fertilizers & mulches range. Compare the available products and their specifications to find an option suited to your project.

Match the product to your plants and growing medium, and check the pack size and application guidance in the individual listing.

233 Products in this collection
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Fertilizers & Plant Food — Advanced Nutrients Bud Candy Fertilizer Model 2320-17

Showing 233 products

Mills Start-R Root Booster for Seedlings, Vegetative Plants and Early Bloom, Improved Nutrient Uptake and Strong Root Development, 20L

Mills Nutrients

Mills Start-R Root Booster for Seedlings & Plants

$878.00
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Mills Start-R Root Booster for Seedlings, Vegetative Plants and Early Bloom, Improved Nutrient Uptake and Strong Root Development, 10L

Mills Nutrients

Mills Start-R Root Booster for Seedlings and Plants

$472.00
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Mills Vitalize Silicic Acid Plant Supplement, Supports Plant Vigor, Nutrient Uptake and Growth Throughout the Entire Growth Cycle, 5L

Mills Nutrients

Mills Vitalize Silicic Acid Plant Supplement

$1,210.00
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MushroomMediaOnline: Fast Fruiting Pellets, aka Masters Mix (50% Oak and 50% Soy) - Ideal and Fast-Growing Substrate for Mushroom Cultivation, Oyster Mushrooms, Shiitake, and More (240, Pounds)

MushroomMediaOnline

MushroomMediaOnline Fast Fruiting Mushroom Substrate Pellets

$344.99
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MushroomMediaOnline: Fast Fruiting Pellets, aka Masters Mix (50% Oak and 50% Soy) - Ideal and Fast-Growing Substrate for Mushroom Cultivation, Oyster Mushrooms, Shiitake, and More (200, Pounds)

MushroomMediaOnline

MushroomMediaOnline Fast Fruiting Pellets Mushroom Substrate

$289.99
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B-Nine WSG 5LB Plant Growth Regulator

OHP B-NINE WSG

OHP B-NINE WSG Plant Growth Regulator, Model 10617

$305.95
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Amplify Microbial Root Inoculant & Bloom Enhancer – Plant Growth Rhizobacteria – Full-Spectrum Microbial Inoculant – 1 Gallon

Organitek

Organitek Amplify Microbial Root Inoculant AMP1

$499.00
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Great White Premium Mycorrhizae, 25 lbs

Plant Success

Plant Success Great White Mycorrhizae Plant Food

$2,033.23
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Plant Success Great White Premium Mycorrhizae - 5 Pounds

Plant Success

Plant Success Great White Mycorrhizae PRPSGW5

$385.19
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Root Stimulator for Plants, King Crab Ultra Concentrated OMRI Organic Bacteria for Plants, 275 Million Organisms per ml, Roses, Tomatoes, Houseplants, Trees and Succulents 1 gal Makes 7,500 Gallons

Plant Success

Plant Success King Crab Root Stimulator, Clear

$269.99
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Plant Success PRPST7500 Tablet Fertilizer (7500 Pack)

Plant Success

Plant Success PRPST7500 Mycorrhizal Tablet Fertilizer

$1,030.42
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PowerSi Granular 10KG – Slow-Release Silica Supplement for Enhanced Plant Strength, Nutrient Uptake, and Resilience – Long-Lasting Formula for Soil and Coco

Power Si

Power Si Granular Slow-Release Silica Supplement

$699.99
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PowerSi Original 5L – Premium Silica Supplement for Stronger Plants & Maximum Nutrient Uptake – Enhances Growth, Resilience & Yield – Highly Concentrated & Fast-Acting

Power Si

Power Si Original Silica Supplement for Plant Growth

$589.99
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PREMIER HORTICULTURE GL56713425 713425 HP-CC Mycorrhizae Pro-Mix, 3.8 cu ft. Floral-Arranging-Supplies, Natural (Four Pack)

PREMIER HORTICULTURE

PREMIER HORTICULTURE HP-CC Mycorrhizae Pro-Mix

$411.10
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RAW All in One Bloom - Fertilizer for Flowers, Water Soluble Outdoor, 25 lb

RAW

RAW All in One Bloom Water-Soluble Flower Fertilizer

$386.68
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RAW All in One Grow Fertilizer - Water Soluble Plant Food for Soil, 10 lb

RAW

RAW All in One Grow Fertilizer for Soil & Hydroponics

$255.90
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RAW All in One Grow Fertilizer - Water Soluble Plant Food for Soil, 25 lb

RAW

RAW All in One Grow Water-Soluble Plant Fertilizer

$405.83
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RAW Amino Acids – Premium Plant Nutrient Supplement

RAW

RAW Amino Acids Plant Nutrient Supplement

$251.89
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RAW B-Vitamin - Plant Nutrients Supplement, Water Soluble Powder, 25 lb

RAW

RAW B-Vitamin Plant Nutrient Supplement

$268.36
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RAW Microbes Bloom 10lb - Beneficial Microbial Inoculant for Flowering Plants - Boosts Nutrient Uptake and Enhances Bloom Development

RAW

RAW Microbes Bloom Beneficial Inoculant for Flowering Plants

$360.72
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RAW Microbes Bloom 25lb - Beneficial Microbial Inoculant for Flowering Plants - Boosts Nutrient Uptake and Enhances Bloom Development

RAW

RAW Microbes Bloom Beneficial Microbial Inoculant

$700.00
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RAW Microbes Grow 25lb - Plant Growth Enhancer with Endomycorrhizae and Rhizosphere Bacteria

RAW

RAW Microbes Grow with Endomycorrhizae and Bacteria

$596.25
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Remo Velokelp 20L

Remo Nutrients

Remo Nutrients Velokelp Plant Additive, RN71750

$609.87
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Rooted Leaf Agritech CalMag Fuel - Calcium and Magnesium Supplement with Zero nitrogen, Water Soluble, do not Adjust The pH, for Soil, Coco, peat, and foliar Spray - 5 Gallon

Rooted Leaf Agritech

Rooted Leaf Agritech CalMag Fuel Calcium Magnesium Supplement

$279.97
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