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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.

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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Sure Start 4-6-2 (15 lb bag)
Sure Start 4-6-2 (15 lb bag)

F296

$19.99 As low as: $17.99
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Sure Start 4-6-2 (4 lb box)
Sure Start 4-6-2 (4 lb box)

F295

1 Review

$7.99 As low as: $7.19
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Soil Sulfur (5 lb box)
Soil Sulfur (5 lb box)

F290

(1)

$7.99 As low as: $7.19
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Compost Maker 4-4-2 (4 lb box)
Compost Maker 4-4-2 (4 lb box)

F280

$6.99 As low as: $6.29
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All Purpose Plant Food 5-5-5 (15 lb bag)
All Purpose Plant Food 5-5-5 (15 lb bag)

F276

$19.99 As low as: $17.99
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Organic Soybean Meal 7-2-1 (40 Lb Bag)
Organic Soybean Meal 7-2-1 (40 Lb Bag)

F1930

$57.99 As low as: $29.00
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Seabird Guano Hi P 1-10-0 (40 Lb Bag)

F1939

$64.99 As low as: $51.99
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Nutra Min - Sierra Mountain Minerals (30 Lb Bag)
Nutra Min - Sierra Mountain Minerals (30 Lb Bag)

F1796

$59.99 As low as: $47.99
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Iron Sulfate 20 (50 Lb)
Iron Sulfate 20 (50 Lb)

F1250

$27.99
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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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Poulet Poo 1 Cu Ft
Poulet Poo 1 Cu Ft

F445

$8.99 As low as: $7.19
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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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Double Doody Compost 1 Cu Ft
Double Doody Compost 1 Cu Ft

F645

$8.99 As low as: $7.19
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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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Gardening In Clay Soil
Gardening In Clay Soil

BF1016

$3.99
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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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Biochar 1 cu ft
Biochar 1 cu ft

PSO550

$29.99
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Par 4 Kelp Meal 1-0-2 (10 lb)
Par 4 Kelp Meal 1-0-2 (10 lb)

F1440

$19.99 As low as: $15.99
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Par 4 Kelp Meal 1-0-2 (50 lb)
Par 4 Kelp Meal 1-0-2 (50 lb)

F1445

$79.99 As low as: $63.99
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Humax (5 Gallon)
Humax (5 Gallon)

PSA802

$59.99
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Humax (Gallon)
Humax (Gallon)

PSA800

$14.99
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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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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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Diamond K Solution Grade Gypsum (50 Lb)

F1153

$8.99 As low as: $7.19
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All Purpose Plant Food 5-5-5 (4 lb box)
All Purpose Plant Food 5-5-5 (4 lb box)

F275

$7.99 As low as: $7.19
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Citrus & Fruit Tree Food 7-3-3 (4 lb box)
Citrus & Fruit Tree Food 7-3-3 (4 lb box)

F343

1 Review

$7.99 As low as: $7.19
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Tomato & Vegetable Food 4-5-3 (15 lb bag)
Tomato & Vegetable Food 4-5-3 (15 lb bag)

F306

$19.99 As low as: $17.99
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Tomato & Vegetable Food 4-5-3 (4 lb box)
Tomato & Vegetable Food 4-5-3 (4 lb box)

F305

2 Reviews

$7.99 As low as: $7.19
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Ultra Bloom 0-10-10 (15 lb bag)
Ultra Bloom 0-10-10 (15 lb bag)

F301

$19.99 As low as: $17.99
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Ultra Bloom 0-10-10 (4 lb box)
Ultra Bloom 0-10-10 (4 lb box)

F300

(2)

$7.99 As low as: $7.19
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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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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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Big Red Blood Meal - Pelleted - 13-0-0 (50 Lb)
Big Red Blood Meal - Pelleted - 13-0-0 (50 Lb)

F103

$119.00 As low as: $95.20
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Pelleted Bone Meal 4-14-0 (50 Lb)

F360

$74.99 As low as: $59.99
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Feather Meal (6 Lb Box)
Feather Meal (6 Lb Box)

F026

$11.99 As low as: $10.79
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Worm Castings (1 Gal)
Worm Castings (1 Gal)

F903

2 Reviews

$6.99
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f790-b.jpg
Cottonseed Meal (50 Lb)

F790

$44.99 As low as: $35.99
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Cottonseed Meal (25 Lb)
Cottonseed Meal (25 Lb)

F792

$27.99
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Fish Bone Meal 3-16-0 (6 Lb)
Fish Bone Meal 3-16-0 (6 Lb)

F020

1 Review

$8.99 As low as: $8.09
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Neem Seed Meal  (5 Lb Box)
Neem Seed Meal (5 Lb Box)

F005

$14.99 As low as: $13.49
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Corn Weed Blocker 9-1-0 (5 Lb Box)
Corn Weed Blocker 9-1-0 (5 Lb Box)

F007

$10.99 As low as: $9.89
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Vegan Mix 3-2-2 (6 Lb Box)
Vegan Mix 3-2-2 (6 Lb Box)

F009

$8.99 As low as: $8.09
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Azomite - Micronized (2 lb)
Azomite - Micronized (2 lb)

F039

$4.99 As low as: $3.99
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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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Rose, Flower, & Bulb Mix 4-8-4 (25 lb Bag)

F064

$29.99 As low as: $23.99
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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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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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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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