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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
Black Friday Sale

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

from $21.00

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

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

from $20.00

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

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

from $21.25

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

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

from $19.75

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

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

from $59.50

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

Worm Power Fertilizer

from $26.00

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

Microbe Life Terps Plus

from $51.25

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

Neptune's Harvest Kelp Meal

from $39.75

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

Microbe Life Hydroponics All-in-One Fertilizer

from $20.25

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

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

from $59.50

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

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

from $27.75

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

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

from $23.25

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

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

from $20.00

Organic Approach SEP Organic Soluble Seaweed & Kelp Powder
Organic Approach SEP Organic Soluble Seaweed & Kelp Powder
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Soluble Seaweed Powder Nature's Essence SEP

from $29.50

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

Microbe Life Hydroponics Nourish-L Organic Humic Acid

from $22.75

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

Microbe Life Hydroponics Vitamins & Amino Acids

from $19.50