Free shipping Available for Most Products, No Minimum Orders!

Same or Next Business Day Shipping!

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.

46 Results

Mammoth Silica GrowItNaturally.com
Mammoth Silica GrowItNaturally.com

Mammoth Silica

from $25.00

Unit price
per 

Organic Approach Encourage 11-0-4 Organic Amino Acids

Encourage 11-0-4 Water-Soluble Fertilizer

from $26.50

Unit price
per 

Quantum Growth 12 Humic Acid for Professionals
Free Shipping

Quantum-12

$36.25

Unit price
per 

Worm Power Liquid Extract Organic Worm Castings
Worm Power Liquid 55 Gallon Drum

Worm Power Liquid Extract

from $30.50

Unit price
per 

Blood Meal Organic Fertilizer
Free Shipping

Blood Meal Powder 12-0-0

$32.00

Unit price
per 

McGeary Organics 5-3-4 General Purpose Fertilizer Organic Fertilizer GrowItNaturally.com
McGeary Organics Low Phosphate 6-0-4 GrowItNaturally.com

McGeary Organics Low Phosphate 6-0-4

$61.75

Unit price
per 

Nectar For The Gods Zeus Juice Nectar for the Gods

Nectar For The Gods Zeus Juice

from $24.50

Unit price
per 

Potassium Sulfate Potash Potassium 0-0-50 44 lb. Box

Potash Potassium Granular 0-0-50

$63.50

Unit price
per 

Verdanta PL-2 2-0-6 Liquid Organic Fertilizer
Free Shipping (Excludes 2.5 Gallon)

Verdanta PL-2 (2-0-6)

from $48.00

Unit price
per 

Mammoth Myco GrowItNaturally.com
Mammoth Myco GrowItNaturally.com

Mammoth Myco

from $30.00

Unit price
per 

McGeary Organics 8-0-0 Corn Gluten Meal Organic Fertilizer GrowItNaturally.com

McGeary Organics 8-0-0 Corn Gluten Meal

$45.75

Unit price
per 

BioWorks ON-Gard 5-0-0 BioWorks

BioWorks ON-Gard 5-0-0

$485.50

Unit price
per