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Soil Amendments

About soil amendments

Whether you need to add organic matter, add nutrients, or balance your soil pH, we have the organic soil amendments you need.

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Greensand (50 Lb)

F1120

$34.99 As low as: $27.99
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Seabird Guano 12-12-2.5 (55 Lb)

F1924

1 Review

$49.99 As low as: $39.99
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Fish Bone Meal 3-16-0 (50 Lb)
Fish Bone Meal 3-16-0 (50 Lb)

F312

$44.99 As low as: $35.99
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Vegetable & All Purpose Mix 4-6-2 (25 lb Bag)
Vegetable & All Purpose Mix 4-6-2 (25 lb Bag)

F065

$28.99 As low as: $23.19
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Foothill Fertilizer Mix 0.5-4.0-4.0 (50 Lb)
Foothill Fertilizer Mix 0.5-4.0-4.0 (50 Lb)

F1100

$36.99 As low as: $29.59
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Fish Meal (25 Lb)
Fish Meal (25 Lb)

F1050

$44.99
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Vermiculite (3.5 Cu Ft Bag)
Vermiculite (3.5 Cu Ft Bag)

PSO352

$33.99 As low as: $27.19
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Shrimp Shell Meal (50 Lb)

F1960

$49.99 As low as: $39.99
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Azomite Micronized (44 lb)
Azomite Micronized (44 lb)

F040

1 Review

$24.99 As low as: $19.99
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Veggie Mix 8-5-0.5 (50 Lb)

F350

$49.99 As low as: $39.99
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Foothill Fertilizer Mix Plus N 2.0-4.0-4.0 (50 Lb)
Foothill Fertilizer Mix Plus N 2.0-4.0-4.0 (50 Lb)

F1105

$49.99 As low as: $39.99
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Lawn Restore Fertilizer 10-0-6 (25 Lb)
Lawn Restore Fertilizer 10-0-6 (25 Lb)

F1500

$39.99 As low as: $31.99
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Rose, Flower, & Bulb Mix 4-8-4 (25 lb Bag)

F064

$29.99 As low as: $23.99
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Vegan Mix (25 lb Bag)

F062

$26.99 As low as: $21.59
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Acid Mix (25 lb Bag)

F063

(1)

$26.99 As low as: $21.59
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Citrus and Avocado Fertilizer (50 Lb)
Citrus and Avocado Fertilizer (50 Lb)

F345

$49.99 As low as: $39.99
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Cottonseed Meal (25 Lb)
Cottonseed Meal (25 Lb)

F792

$27.99
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Cottonseed Meal (50 Lb)

F790

$44.99 As low as: $35.99
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Crab Shell Meal 4-3-0 (40 Lb)
Crab Shell Meal 4-3-0 (40 Lb)

F1963

$36.99 As low as: $29.59
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Dr. Earth Acid Lovers Fertilizer 4-5-4 (12 lb)
Dr. Earth Acid Lovers Fertilizer 4-5-4 (12 lb)

F9026

$24.99 As low as: $22.49
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Dr. Earth Bud and Bloom Booster 4-10-7 (25lb)
Dr. Earth Bud and Bloom Booster 4-10-7 (25lb)

F9031

$39.99 As low as: $31.99
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Rose & Flower Fertilizer 5-7-2 (12 lb)
Rose & Flower Fertilizer 5-7-2 (12 lb)

F9021

$24.99 As low as: $22.49
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Dr. Earth Tomato Vegetable Herb 5-7-3 (12 lb)
Dr. Earth Tomato Vegetable Herb 5-7-3 (12 lb)

F9001

$24.99 As low as: $22.49
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Life All Purpose 5-5-5 (25 lb)
Life All Purpose 5-5-5 (25 lb)

F9006

$49.99 As low as: $39.99
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Dr. Earth All Purpose 4-4-4 (12 lb)
Dr. Earth All Purpose 4-4-4 (12 lb)

F9011

$24.99 As low as: $22.49
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Dr. Earth Fruit Tree Fertilizer 7-4-2 (12 lb)
Dr. Earth Fruit Tree Fertilizer 7-4-2 (12 lb)

F9016

$24.99 As low as: $22.49
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Biochar 1 cu ft
Biochar 1 cu ft

PSO550

$29.99
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Seabird Guano Hi P 1-10-0 Powder (20 lb bag)
Seabird Guano Hi P 1-10-0 Powder (20 lb bag)

F1937

$42.99 As low as: $34.39
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Crab Shell Meal 4-3-0 (25 lb)
Crab Shell Meal 4-3-0 (25 lb)

F1964

$26.99 As low as: $21.59
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Iron Sulfate 20 (50 Lb)
Iron Sulfate 20 (50 Lb)

F1250

$27.99
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Feather Meal (25 lb)
Feather Meal (25 lb)

F935

$34.99
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Diatomite Rock (25 Lb Bag)
Diatomite Rock (25 Lb Bag)

F032

$22.99 As low as: $18.39
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Feather Meal (50 Lb)

F940

$49.99 As low as: $39.99
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Activate 80 Coarse Grade Humate (50 Lb)
Activate 80 Coarse Grade Humate (50 Lb)

F535

$24.99 As low as: $19.99
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Monterey Manganese Sulfate 31% Powder (50 Lb)
Monterey Manganese Sulfate 31% Powder (50 Lb)

F1676

$49.99 As low as: $39.99
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Gaia Green Glacial Rock Dust (50 lb)

F045

(3)

$29.99 As low as: $23.99
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Tiger 90 Soil Sulfur (50 Lbs)
Tiger 90 Soil Sulfur (50 Lbs)

F2210

$27.99 As low as: $22.39
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Pre-Plant Plus 7-5-7 (50 Lb)
Pre-Plant Plus 7-5-7 (50 Lb)

F324

$39.99 As low as: $31.99
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Sulfate of Potash Ultrafines - Diamond K Soluble (50 Lb)
Sulfate of Potash Ultrafines - Diamond K Soluble (50 Lb)

F2300

1 Review

$44.99 As low as: $35.99
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Free Seed Packs

With Online Orders

  • 2 free seed packs on orders of $50
  • 5 free seed packs on orders of $100

Browse Peaceful Valley Organic Vegetable Seed Packs

Grow Organic

  • For a healthy and safe food supply
  • For a clean and sustainable environment
  • For an enjoyable and rewarding experience

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