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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.

Organic Alfalfa Meal (40 Lb)
Organic Alfalfa Meal (40 Lb)

F034

$28.99 As low as: $23.19
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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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Diamond K Solution Grade Gypsum (50 Lb)
Diamond K Solution Grade Gypsum (50 Lb)

F1153

$8.99 As low as: $7.19
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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

(3)

$9.99 As low as: $8.99
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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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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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Leafy Green 7/1/2 (50 Lb)
Leafy Green 7/1/2 (50 Lb)

F367

$49.99 As low as: $39.99
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Dr. Earth Lawn Food (18 lb)
Dr. Earth Lawn Food (18 lb)

F9035

$34.99 As low as: $27.99
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PhytaBoost Turf Grade 7/1/2 (50 lb)
PhytaBoost Turf Grade 7/1/2 (50 lb)

F368

$49.99 As low as: $39.99
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Pre-Plant Plus 7-5-7 (50 Lb)
Pre-Plant Plus 7-5-7 (50 Lb)

F324

$49.99 As low as: $39.99
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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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Tiger 90 Soil Sulfur (50 Lbs)
Tiger 90 Soil Sulfur (50 Lbs)

F2210

$29.99 As low as: $23.99
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Humic Acids, Granular (5 Lb Box)
Humic Acids, Granular (5 Lb Box)

F024

$7.99 As low as: $7.19
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Gaia Green Glacial Rock Dust (50 lb)
Gaia Green Glacial Rock Dust (50 lb)

F045

(3)

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

F1850

(2)

$9.99 As low as: $7.99
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Oyster Shell Lime (6 Lb Box)
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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VermiBlend (1 Cu Ft)
VermiBlend (1 Cu Ft)

F910

(2)

$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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Feather Meal (50 Lb)
Feather Meal (50 Lb)

F940

$44.99 As low as: $35.99
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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 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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Bio-Live 5-4-2 (50 lb)
Bio-Live 5-4-2 (50 lb)

F068

$71.99
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Double Doody Compost 1 Cu Ft
Double Doody Compost 1 Cu Ft

F645

$9.99 As low as: $7.99
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Bio-Live 5-4-2 (5 lb box)
Bio-Live 5-4-2 (5 lb box)

F001

$11.99 As low as: $10.79
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Feather Meal (25 lb)
Feather Meal (25 lb)

F935

$27.99
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Gardening In Clay Soil
Gardening In Clay Soil

BF1016

$3.99
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Maxicrop Kelp Extract (Lb)
Maxicrop Kelp Extract (Lb)

F1360

7 Reviews

$19.99
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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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SPC TRK Biochar 1 yd Tote
Biochar 1 yd Tote

PSO555

$399.00
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Par 4 Kelp Meal 1-0-2
Par 4 Kelp Meal 1-0-2 (50 lb)

F1445

$79.99 As low as: $63.99
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Par 4 Kelp Meal 1-0-2
Par 4 Kelp Meal 1-0-2 (10 lb)

F1440

$19.99 As low as: $15.99
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Biochar 1 cu ft
Biochar 1 cu ft

PSO550

(1)

$27.99
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FoxFarm Lucky Dog K9 Kube Growers Blend, 3.8 Cubic Feet
FoxFarm Lucky Dog K9 Kube Growers Blend, 3.8 Cubic Feet

PSO735

$31.99 As low as: $25.59
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Dr. Earth Rose & Flower 5/7/2 (4 lb)
Dr. Earth Rose & Flower 5/7/2 (4 lb)

F9020

(1)

$10.99 As low as: $9.89
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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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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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Langbeinite 0-0-22 (5 lb box)
Langbeinite 0-0-22 (5 lb box)

F002

$9.99 As low as: $8.99
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Malibu Compost Bu's Blend Biodynamic Compost (1 cu ft)
Malibu Compost Bu's Blend Biodynamic Compost (1 cu ft)

F908

1 Review

$19.99 As low as: $15.99
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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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