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 (206)
  2. Plant-Specific Fertilizers (34)
  3. Nutrient-Specific Fertilizers (197)
  4. Fertilizer That Increases Soil Life (125)
  5. Foliar Feeding (79)
  6. pH Correcting Fertilizer (18)
  7. Fertilize Through Irrigation (65)
Stock Filter
  1. In Stock (245)
  2. Out of Stock (10)
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 (172)
  2. Accepted for Use in Organic Gardening* (15)
Organic Certifier
  1. OMRI (101)
  2. WSDA (21)
  3. CDFA (162)
Book Format
  1. Softback (2)
Chemical Form
  1. Liquid (2)
  2. Concentrate (2)
Animal-Based
  1. Yes (131)
  2. No (86)
Biological & Humus
  1. Boosts Microbial Activity (126)
  2. Organic Matter (18)
  3. Humus or Humic Acids (41)
Use as Foliar
  1. Yes (93)
  2. No (114)
Major Nutrients
  1. Over 4% Nitrogen (96)
  2. Over 3% Phosphorus (100)
  3. Over 3% Potassium (55)
  4. Magnesium (9)
  5. Sulfur (22)
  6. Calcium (48)
  7. Trace Minerals (115)
pH Adjusting
  1. Corrects Low pH (7)
  2. Corrects High pH (12)
Nutrient Release Rate
  1. Immediate (0-1 Months) (112)
  2. Short-term (1-4 Months) (83)
  3. Long-term (4+ Months) (35)
Fertilizer Type
  1. Liquid (45)
  2. Pelleted (15)
  3. Powdered/Granulated (133)
  4. Water-Soluble (14)
Size
  1. 1 - 5 lbs (7)
  2. 6 - 10 lbs (51)
  3. 11 - 25 lbs (42)
  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)

Liquid Bone Meal (2.5 Gal)

F1911

(1)

$62.99
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Fox Farm Big Bloom (Gal)

F1901

(1)

$49.99
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Fox Farm Big Bloom (Qt)

F1900

(1)

$14.99
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Sure Start 4-6-2 (4 lb box)

F295

(2)

$8.99
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Feather Meal 12.8-0-0 (25 lb)

F935

(1)

$27.99
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Thrive Alive B-1 Green (1 L)

F2421

(1)

$59.99
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Liquid All Purpose 4-3-3 (Gal)

F1906

$59.99 $24.96
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Liquid All Purpose 4-3-3 (2.5 Gal)

F1907

$74.96 $59.96
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Aqua Power (1 Gallon)

F993

$17.99
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Liquid Kelp Help (55 Gal)

F1333

(1)

$699.00
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Gardening In Clay Soil

BF1016

(2)

$3.99
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Fertilizers For Free

BF1150

$3.99
Add to Wishlist