Fertilizers

Fertilizers

Ensure a bountiful harvest with organic fertilizers!

At the heart of all organic growing is the art and science of fertilizing organically. The choice of what and when to apply a fertilizer will depend on your soil analysis and the stage of plant growth you are targeting.

Learn More About Fertilizers
Fertilizer Solution Chart Soil Testing Supplies

Narrow Results

Category
  1. Organic and Natural Fertilizers (215)
  2. Plant-Specific Fertilizers (36)
  3. Nutrient-Specific Fertilizers (205)
  4. Fertilizer That Increases Soil Life (126)
  5. Foliar Feeding (81)
  6. pH Correcting Fertilizer (18)
  7. Fertilize Through Irrigation (67)
Stock Filter
  1. In Stock (254)
  2. Out of Stock (9)
Brand
  1. Peaceful Valley (30)
  2. Great Salt Lake Minerals (1)
  3. JH Biotech (1)
  4. Marblewhite (1)
  5. Azomite (2)
  6. BioLink (3)
  7. Blue Ocean (1)
  8. Boer Commodities (4)
  9. Bridgewell (2)
  10. Calcium 25 (2)
  11. View 25 More
Price
  1. $1
    $2499
  2.  
  3. $
Organic Status
  1. Approved for Use in Certified Organic Agriculture (178)
  2. Accepted for Use in Organic Gardening* (15)
Organic Certifier
  1. OMRI (107)
  2. WSDA (21)
  3. CDFA (168)
Book Format
  1. Softback (2)
Chemical Form
  1. Liquid (2)
  2. Concentrate (2)
Animal-Based
  1. Yes (138)
  2. No (87)
Biological & Humus
  1. Boosts Microbial Activity (127)
  2. Organic Matter (17)
  3. Humus or Humic Acids (40)
Use as Foliar
  1. Yes (95)
  2. No (119)
Major Nutrients
  1. Over 4% Nitrogen (102)
  2. Over 3% Phosphorus (106)
  3. Over 3% Potassium (59)
  4. Magnesium (9)
  5. Sulfur (22)
  6. Calcium (50)
  7. Trace Minerals (117)
pH Adjusting
  1. Corrects Low pH (7)
  2. Corrects High pH (12)
Nutrient Release Rate
  1. Immediate (0-1 Months) (115)
  2. Short-term (1-4 Months) (83)
  3. Long-term (4+ Months) (35)
Fertilizer Type
  1. Liquid (45)
  2. Pelleted (15)
  3. Powdered/Granulated (140)
  4. Water-Soluble (14)
Size
  1. 1 - 5 lbs (9)
  2. 6 - 10 lbs (51)
  3. 11 - 25 lbs (45)
  4. 26 - 50 lbs (58)
  5. > 51 lbs (5)
  6. < 24 oz (12)
  7. 1 Gallon (19)
  8. 2 Gallons - 4 Gallons (2)
  9. 5 Gallons (8)
  10. > 50 Gallons (7)

F625

(8)

$13.99
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Solo 2-Liter Handheld Sprayer

GSD4202

(3)

$19.99
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Watering Can Blue 1 Liter

WWC295

(1)

$3.99
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Solo 430-3G 3-Gallon Sprayer

GSD4303

(1)

$39.99
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SP Farm & Home 2-Gallon Sprayer

GSD3065

(2)

$59.99
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Haws Practican Watering Can

WWC100

(6)

$34.99
Add to Wishlist

Solo 425 4-Gallon Backpack Sprayer

GSD2425

(1)

$109.00
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Solo 1-Liter Handheld Sprayer

GSD4181

(3)

$14.99
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Alfalfa Meal (40 Lb)

F034

$29.99
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Plastic Measuring Cup

GP2000

(5)

$1.49
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Nu-Film-17 (Gallon)

PSA700

(1)

$59.99
Add to Wishlist

Nu-Film P (Gallon)

PSA710

$51.99
Add to Wishlist

Liquid Kelp Help (55 Gal)

F1333

(1)

$699.00
Add to Wishlist

Gardening In Clay Soil

BF1016

(2)

$3.99
Add to Wishlist

Fox Farm Big Bloom (Gal)

F1901

(1)

$49.99
Add to Wishlist

Biochar Soil Amendment (1 cu ft)

PSO550

(1)

$29.99
Add to Wishlist

SuperMoss Sphagnum Moss (12 oz)

GP1590

(2)

$10.99
Add to Wishlist