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Organic Fertilizer

Fertilizers & Amendments

Soil health is vital to what you grow or treat, and organic fertilizers provide a much wider array of nutrients plus organic matter than standard N-P-K only fertilizers, to build healthier soil, stimulate biology and increase health, yields and aesthetics.

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Neptune's Harvest Tomato & Vegetable
Neptune's Harvest Tomato & Vegetable Pint
Sale
Black Friday Sale

Neptune's Harvest Tomato & Vegetable Formula 2-4-2

$21.00 from $19.95

Neptune's Harvest Organic Fish & Seaweed Blend Organic Fertilizer
Neptune's Harvest Organic Fish & Seaweed Blend Pint 18 Ounce Organic Fertilizer
Sale
Black Friday Sale

Neptune's Harvest Fish & Seaweed Blend 2-3-1

$20.00 from $19.00

Neptune's Harvest Rose & Flowering Formula (2-6-4) Organic Fertilizer Neptune's Harvest
Neptune's Harvest Rose & Flowering Pint
Sale
Black Friday Sale

Neptune's Harvest Rose & Flowering Formula (2-6-4)

$21.25 from $20.19

Neptune's Harvest Hydrolyzed Fish
Neptune's Harvest Hydrolyzed Fish Pint 18 Ounce
Sale
Black Friday Sale

Neptune's Harvest Hydrolyzed Fish Fertilizer 2-4-1

$19.75 from $18.76

Neptune's Harvest Turf Formula Organic Fertilizer
Neptune's Harvest Turf Formula Organic Fertilizer 1 Gallon
Sale
Black Friday Sale

Neptune's Harvest Turf Formula 2-0-2 (No Phosphorous)

$59.50 from $56.53

Worm Power Granular Worm Castings Organic Fertilizer Worm Power
Worm Power Organic Worm Castings Vermicompost
Sale
Black Friday Sale

Worm Power Fertilizer

$26.00 from $24.70

Microbe Life Hydroponics Terps Plus
Microbe Life Hydroponics Terps Plus Quart
Sale
Free Shipping
Black Friday Sale

Microbe Life Terps Plus

$51.25 from $48.69

Organic Kelp Meal Neptune's Harvest
Organic Kelp Meal Neptune's Harvest 4 lb
Sale
Black Friday Sale

Neptune's Harvest Kelp Meal

$39.75 from $37.76

All-In-One by Microbe Life Hydroponics
All-In-One by Microbe Life Hydroponics, 16 oz.
Sale
Free Shipping (Excludes 2.5 Gallon)
Black Friday Sale

Microbe Life Hydroponics All-in-One Fertilizer

$20.25 from $19.24

Neptune's Harvest Lawn Starter Organic Fertilizer
Neptune's Harvest Lawn Starter Organic Fertilizer 1 Gallon
Sale
Black Friday Sale

Neptune's Harvest Lawn Starter 2-3-2 (with Phosphorus)

$59.50 from $56.53

Neptune's Harvest Organic Crab Shell Fertilizer
Neptune's Harvest Organic Crab Shell Fertilizer 4 lb
Sale
Black Friday Sale

Neptune's Harvest Crab & Lobster Shell Pieces (5-3-0)

$27.75 from $26.36

Neptune's Harvest Lobster & Crab Shell Liquid 2-0-2 GrowItNaturally.com
Neptune's Harvest Lobster & Crab Shell Liquid 2-0-2 GrowItNaturally.com
Sale
Black Friday Sale

Neptune's Harvest Lobster & Crab Shell Liquid 2-0-2

$23.25 from $22.09

Neptune's Harvest Tomato & Vegetable Organic Seaweed Fertilizer
Neptune's Harvest Seaweed Plant Food 0-0-1 Organic Fertilizer Neptune's Harvest
Sale
Black Friday Sale

Neptune's Harvest Seaweed Plant Food 0-0-1

$20.00 from $19.00

Organic Approach SEP Organic Soluble Seaweed & Kelp Powder
Organic Approach SEP Organic Soluble Seaweed & Kelp Powder
Sale
Black Friday Sale

Soluble Seaweed Powder Nature's Essence SEP

$29.50 from $28.03

Nourish-L by Microbe Life Hydroponics
Nourish-L by Microbe Life Hydroponics, 1 gallon
Sale
Black Friday Sale

Microbe Life Hydroponics Nourish-L Organic Humic Acid

$22.75 from $21.61

Vitamins & Amino Acids by Microbe Life Hydroponics
Vitamins & Amino Acids by Microbe Life Hydroponics, 16 oz.
Sale
Free Shipping
Black Friday Sale

Microbe Life Hydroponics Vitamins & Amino Acids

$19.50 from $18.53