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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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Diamond K Solution Grade Gypsum (50 Lb)

F1153

$8.99 As low as: $7.19
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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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Rose, Flower & Bulb Mix 4-8-4 (6 Lb Box)
Rose, Flower & Bulb Mix 4-8-4 (6 Lb Box)

F015

2 Reviews

$9.99 As low as: $8.99
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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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Humax (5 Gallon)
Humax (5 Gallon)

PSA802

$49.99
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Humax (Gallon)
Humax (Gallon)

PSA800

$12.99
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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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Humic Acids, Granular (5 Lb Box)

F024

$7.49 As low as: $6.74
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Gaia Green Glacial Rock Dust (50 lb)

F045

(3)

$29.99 As low as: $23.99
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Oyster Shell Lime (50 Lb)
Oyster Shell Lime (50 Lb)

F1850

1 Review

$9.99 As low as: $7.99
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Oyster Shell Lime (6 Lb Box)

F018

$7.49 As low as: $6.74
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Kelp Meal (5 Lb Box)
Kelp Meal (5 Lb Box)

F017

$14.99 As low as: $13.49
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Organic PrimeStart Booster Blend 3.2-4.5-3.5 (3 Lb Bag)
Organic PrimeStart Booster Blend 3.2-4.5-3.5 (3 Lb Bag)

F2000

6 Reviews

$3.99 As low as: $2.49
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VermiBlend (1 Cu Ft)
VermiBlend (1 Cu Ft)

F910

1 Review

$14.99 As low as: $11.99
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Corn Gluten Meal (65 Lb)
Corn Gluten Meal (65 Lb)

F750

$69.99 As low as: $55.99
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Activate 80 Micronized Humate (30 Lb)
Activate 80 Micronized Humate (30 Lb)

F531

$89.99 As low as: $71.99
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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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Algamin Kelp Meal (55 Lb)
Algamin Kelp Meal (55 Lb)

F1455

$99.99 As low as: $79.99
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Algamin Kelp Meal (11 Lb Bag)
Algamin Kelp Meal (11 Lb Bag)

F1450

$24.99 As low as: $19.99
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Feather Meal (50 Lb)

F940

$49.99 As low as: $39.99
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Dolomite (50 Lb)
Dolomite (50 Lb)

F850

$9.99 As low as: $7.99
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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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Sunleaves Jamaican Bat Guano 40 Lb 0/10/0
Sunleaves Jamaican Bat Guano 40 Lb 0/10/0

F1913

$119.00 As low as: $107.10
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Bob's Best Compost 1 Cu Ft
Bob's Best Compost 1 Cu Ft

F640

$7.99 As low as: $6.39
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Poulet Poo 1 Cu Ft
Poulet Poo 1 Cu Ft

F445

$8.99 As low as: $7.19
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Sunleaves Peruvian Seabird Guano 40 Lb 12/11/2
Sunleaves Peruvian Seabird Guano 40 Lb 12/11/2

F1914

$94.99 As low as: $85.49
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Feather Meal (25 lb)
Feather Meal (25 lb)

F935

$34.99
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SuperMoss Sphagnum Moss 12 oz
SuperMoss Sphagnum Moss 12 oz

GP1590

1 Review

$10.99 As low as: $9.89
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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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Sunleaves Indonesian Bat Guano 44 Lb 0/7/0
Sunleaves Indonesian Bat Guano 44 Lb 0/7/0

F1912

$109.00 As low as: $98.10
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Double Doody Compost 1 Cu Ft
Double Doody Compost 1 Cu Ft

F645

$8.99 As low as: $7.19
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Alfalfa Meal (5 Lb Box)
Alfalfa Meal (5 Lb Box)

F011

$7.99 As low as: $7.19
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Maxicrop Kelp Extract (Lb)
Maxicrop Kelp Extract (Lb)

F1360

7 Reviews

$19.99
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Alfalfa Meal (25 Lb Bag)
Alfalfa Meal (25 Lb Bag)

F033

$19.99 As low as: $15.99
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Gardening In Clay Soil
Gardening In Clay Soil

BF1016

$3.99
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Dr. Earth Tomato, Vegetable, Herb Blend 5-7-3 (50 lb)
Dr. Earth Tomato, Vegetable, Herb Blend 5-7-3 (50 lb)

F9002

$69.99 As low as: $55.99
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Bio-Live 5-4-2 (50 lb)
Bio-Live 5-4-2 (50 lb)

F068

$71.99
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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 Fruit Tree Fertilizer 7-4-2 (50 lb)
Dr. Earth Fruit Tree Fertilizer 7-4-2 (50 lb)

F9018

$69.99 As low as: $55.99
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Dr. Earth Fruit Tree Fertilizer 7-4-2 (4 lb)
Dr. Earth Fruit Tree Fertilizer 7-4-2 (4 lb)

F9015

$9.99 As low as: $8.99
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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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Dr. Earth Rose & Flower 5/7/2 (4 lb)
Dr. Earth Rose & Flower 5/7/2 (4 lb)

F9020

$9.99 As low as: $8.99
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Dr. Earth Acid Lovers 4-5-4 (4 lb)
Dr. Earth Acid Lovers 4-5-4 (4 lb)

F9025

$9.99 As low as: $8.99
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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 (4 lb)
Dr. Earth Bud and Bloom Booster 4-10-7 (4 lb)

F9030

$9.99 As low as: $8.99
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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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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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