Soil Amendments(489)
Uses item details. Price when purchased online
Premium Biochar Soil Enhancer – 100% Organic Charcoal Amendment for Improved Soil Health and Plant Growth 12 lbs From $23.75
Sponsored
From$2375
Premium Biochar Soil Enhancer – 100% Organic Charcoal Amendment for Improved Soil Health and Plant Growth 12 lbs
114.8 out of 5 Stars. 11 reviews
Plantonix Kelp Bliss Pure Norwegian Kelp Soil Amendment & Fertilizer - 10 lb From $12.99
Sponsored
From$1299
Plantonix Kelp Bliss Pure Norwegian Kelp Soil Amendment & Fertilizer - 10 lb
364.8 out of 5 Stars. 36 reviews
Earth Science RevitaSoil, 8 lb - Organic Soil Revitalizer - Earthworm Castings (Worm Castings) Plus Natural Nutrients & Biology - Grow 3X More, Amendment for Gardens, Potted Plants, Raised Garden Bed $19.97
Sponsored
$1997
current price $19.97Earth Science RevitaSoil, 8 lb - Organic Soil Revitalizer - Earthworm Castings (Worm Castings) Plus Natural Nutrients & Biology - Grow 3X More, Amendment for Gardens, Potted Plants, Raised Garden Bed
934.7 out of 5 Stars. 93 reviews
500+ bought since yesterday Miracle-Gro Perlite, 8 qt., Improves Drainage and Aeration in Potting Mixes From $5.97
500+ bought since yesterday
Sponsored
From$597
Miracle-Gro Perlite, 8 qt., Improves Drainage and Aeration in Potting Mixes
26444.7 out of 5 Stars. 2644 reviews
Earth Science Fast Acting Gypsum Granules, 2.5 lb - Soil Conditioner, Breaks Up Compact Soils, Encourages Root Growth, Repairs Salt Damage $10.33 Was $13.50
Now$1033
current price Now $10.33, Was $13.50$13.50
Earth Science Fast Acting Gypsum Granules, 2.5 lb - Soil Conditioner, Breaks Up Compact Soils, Encourages Root Growth, Repairs Salt Damage
474.5 out of 5 Stars. 47 reviews
100+ bought since yesterday Black Kow Organic Compost and Manure, Soil Conditioner, 1 cu. ft. $5.97 $5.97/cu ft
100+ bought since yesterday
$597
current price $5.97$5.97/cu ft
Black Kow Organic Compost and Manure, Soil Conditioner, 1 cu. ft.
18684.6 out of 5 Stars. 1868 reviews
Overall pick Timberline Cow Manure & Compost Soil, 40lb. $2.78
Overall pick
$278
current price $2.78Timberline Cow Manure & Compost Soil, 40lb.
31424.6 out of 5 Stars. 3142 reviews
Best seller Back to the Roots Organic Vermiculite for Garden Soil, 8 qt From $9.97
Best seller
2 options
Available in additional 2 optionsFrom$997
Back to the Roots Organic Vermiculite for Garden Soil, 8 qt
4024.7 out of 5 Stars. 402 reviews
Healthy Grow Organic Blood Meal Soil Amendment Fertilizer, 12-0-0, 3 lb $6.97 $1.74/lb
$697
current price $6.97$1.74/lb
Healthy Grow Organic Blood Meal Soil Amendment Fertilizer, 12-0-0, 3 lb
374.8 out of 5 Stars. 37 reviews
Best seller Expert Gardener Earthworm Castings Plant Food, 8 Pound From $8.97
Best seller
2 options
Available in additional 2 optionsFrom$897
Expert Gardener Earthworm Castings Plant Food, 8 Pound
3264.8 out of 5 Stars. 326 reviews
Wiggle Worm 100% Pure Organic Mineral-Dense Worm Castings Fertilizer in Resealable Zipper Pouch, 4.5lbs - Improves Soil Fertility and Aeration for Growing Better Houseplants, Vegetables, and More From $18.62
Sponsored
From$1862
Wiggle Worm 100% Pure Organic Mineral-Dense Worm Castings Fertilizer in Resealable Zipper Pouch, 4.5lbs - Improves Soil Fertility and Aeration for Growing Better Houseplants, Vegetables, and More
2024.7 out of 5 Stars. 202 reviews
Farmer’s Secret Soil Revitalizer (32oz) - Organic (OMRI Listed) Soil Microbe Booster - Liquid Compost Soil - Great for Spring Application - Activated Humic Acid $18.99
Sponsored
$1899
current price $18.99Farmer’s Secret Soil Revitalizer (32oz) - Organic (OMRI Listed) Soil Microbe Booster - Liquid Compost Soil - Great for Spring Application - Activated Humic Acid
474.3 out of 5 Stars. 47 reviews
Back to the Roots Organic Azomite for Garden Soil, 3 lb Pouch $9.97 $3.32/lb
$997
current price $9.97$3.32/lb
Back to the Roots Organic Azomite for Garden Soil, 3 lb Pouch
684.7 out of 5 Stars. 68 reviews
Earth Science Fast Acting Lime Granules, 2.5 lb, Rapidly Raises Soil pH, Improves Growth & Color, For Use On All Plants $17.20 Was $53.58
Now$1720
current price Now $17.20, Was $53.58$53.58
Earth Science Fast Acting Lime Granules, 2.5 lb, Rapidly Raises Soil pH, Improves Growth & Color, For Use On All Plants
784.5 out of 5 Stars. 78 reviews
Garden Compost Soil Amendment for Enhanced Root Development and Nutrient Uptake Universal Care Solution for Home Gardeners and Agricultural Use $6.90
$690
current price $6.90Garden Compost Soil Amendment for Enhanced Root Development and Nutrient Uptake Universal Care Solution for Home Gardeners and Agricultural Use
100+ bought since yesterday Premier Organic Peat Moss Soil Amendment, Sphagnum, 2.2 Cu Ft Compressed Bale, Expands to 4 Cu Ft $17.48 $7.95/cu ft
100+ bought since yesterday
$1748
current price $17.48$7.95/cu ft
Premier Organic Peat Moss Soil Amendment, Sphagnum, 2.2 Cu Ft Compressed Bale, Expands to 4 Cu Ft
15684.7 out of 5 Stars. 1568 reviews
Back to the Roots Organic Perlite for Garden Soil, 8 qt $7.97 49.8 ¢/lb
$797
current price $7.9749.8 ¢/lb
Back to the Roots Organic Perlite for Garden Soil, 8 qt
4714.7 out of 5 Stars. 471 reviews
Plantonix Kelp Bliss Pure Norwegian Kelp Soil Amendment & Fertilizer - 1 lb From $12.99
2 options
Available in additional 2 optionsFrom$1299
Plantonix Kelp Bliss Pure Norwegian Kelp Soil Amendment & Fertilizer - 1 lb
364.8 out of 5 Stars. 36 reviews
Farmers Secret Soil Revitalizer (32oz) - Organic (OMRI Listed) Soil Microbe Booster - Liquid Compost Soil - Great for Spring Application - Activated Humic Acid $18.99
$1899
current price $18.99Farmers Secret Soil Revitalizer (32oz) - Organic (OMRI Listed) Soil Microbe Booster - Liquid Compost Soil - Great for Spring Application - Activated Humic Acid
474.3 out of 5 Stars. 47 reviews
Garden Compost Soil Amendment for Enhanced Root Development and Nutrient Uptake Universal Care Formula Suitable for Home Gardening and Agricultural Applications $7.05
$705
current price $7.05Garden Compost Soil Amendment for Enhanced Root Development and Nutrient Uptake Universal Care Formula Suitable for Home Gardening and Agricultural Applications
Miracle-Gro Sphagnum Peat Moss, 8 qt., For Containers and In-Ground From $6.78
Sponsored
From$678
Miracle-Gro Sphagnum Peat Moss, 8 qt., For Containers and In-Ground
10854.7 out of 5 Stars. 1085 reviews
Wiggle Worm 100% Pure Worm Castings Plus Worm Egg Material, 40lbs – Fertilizer and Soil Amendment for Indoor and Outdoor Gardening to Improve Soil Fertility and Aeration - 100% Organic and Odor Free $43.85
Sponsored
$4385
current price $43.85Wiggle Worm 100% Pure Worm Castings Plus Worm Egg Material, 40lbs – Fertilizer and Soil Amendment for Indoor and Outdoor Gardening to Improve Soil Fertility and Aeration - 100% Organic and Odor Free
1084.8 out of 5 Stars. 108 reviews
The Andersons Humic DG Granular Organic Soil Amendment For Lawns - Covers up to 10,000 Sqft (11 lbs.) $44.88
$4488
current price $44.88The Andersons Humic DG Granular Organic Soil Amendment For Lawns - Covers up to 10,000 Sqft (11 lbs.)
154.6 out of 5 Stars. 15 reviews
2K+ bought since yesterday Scotts Premium Topsoil, Lawn and Garden Soil Conditioner, With Peat Moss, 0.75 cu. ft. From $18.75
2K+ bought since yesterday
2 options
Available in additional 2 optionsFrom$1875
Scotts Premium Topsoil, Lawn and Garden Soil Conditioner, With Peat Moss, 0.75 cu. ft.
112614.5 out of 5 Stars. 11261 reviews
Earth Science RevitaSoil, 8 lb - Organic Soil Revitalizer - Earthworm Castings (Worm Castings) Plus Natural Nutrients & Biology - Grow 3X More, Amendment for Gardens, Potted Plants, Raised Garden Bed $19.97
$1997
current price $19.97Earth Science RevitaSoil, 8 lb - Organic Soil Revitalizer - Earthworm Castings (Worm Castings) Plus Natural Nutrients & Biology - Grow 3X More, Amendment for Gardens, Potted Plants, Raised Garden Bed
934.7 out of 5 Stars. 93 reviews
Mosser Lee Horticultural Charcoal Soil Amendment for Plants, Terrariums, and Indoor Gardens, 2.25 dry quart $9.99 $4.44/dry quart
$999
current price $9.99$4.44/dry quart
Mosser Lee Horticultural Charcoal Soil Amendment for Plants, Terrariums, and Indoor Gardens, 2.25 dry quart
834.7 out of 5 Stars. 83 reviews
(2 pack) Expert Gardener Organics Chicken Manure All-Natural Plant Food, 4 lb Fertilizer
2 options
Available in additional 2 options(2 pack) Expert Gardener Organics Chicken Manure All-Natural Plant Food, 4 lb Fertilizer
1834.7 out of 5 Stars. 183 reviews
Premium Organic Compost | 10lb Bag | R&M Organics $24.49
$2449
current price $24.49Premium Organic Compost | 10lb Bag | R&M Organics
1654.4 out of 5 Stars. 165 reviews
BioAg Ful-Humix Organic Humic Acid Soil Dry Amendment, Increases Yield, Nutrient Uptake for All Plants, Lawn (300 Grams) $24.88
$2488
current price $24.88BioAg Ful-Humix Organic Humic Acid Soil Dry Amendment, Increases Yield, Nutrient Uptake for All Plants, Lawn (300 Grams)
25 out of 5 Stars. 2 reviews
Best seller Espoma Organic Garden Lime 5 lb Fertilizer - Covers 135 sq ft From $7.48
Best seller
2 options
Available in additional 2 optionsFrom$748
Espoma Organic Garden Lime 5 lb Fertilizer - Covers 135 sq ft
2694.7 out of 5 Stars. 269 reviews
12 Oz. of Azomite - Organic Trace Mineral Soil Additive Fertilizer - 67 Trace Minerals: Garden/Gardening Soil Amendment $10.86
Sponsored
$1086
current price $10.8612 Oz. of Azomite - Organic Trace Mineral Soil Additive Fertilizer - 67 Trace Minerals: Garden/Gardening Soil Amendment
94.6 out of 5 Stars. 9 reviews
Heirloom Roses Cow Manure 26 Quart - Composted Top Soil Amendment for Garden, Rose Flower and Vegetables, Aged Compost Packed with Super Nutrients $58.00
Sponsored
$5800
current price $58.00Heirloom Roses Cow Manure 26 Quart - Composted Top Soil Amendment for Garden, Rose Flower and Vegetables, Aged Compost Packed with Super Nutrients
25 out of 5 Stars. 2 reviews
12 Oz. of Azomite - Organic Trace Mineral Soil Additive Fertilizer - 67 Trace Minerals: Garden/Gardening Soil Amendment $10.86
$1086
current price $10.8612 Oz. of Azomite - Organic Trace Mineral Soil Additive Fertilizer - 67 Trace Minerals: Garden/Gardening Soil Amendment
94.6 out of 5 Stars. 9 reviews
Sunday Organics Soil Booster - Liquid Vermicompost - 200 sq. ft. (32 oz.) $19.98
$1998
current price $19.98Sunday Organics Soil Booster - Liquid Vermicompost - 200 sq. ft. (32 oz.)
15 out of 5 Stars. 1 reviews
GARDEN GYPSUM 6 LB. (Pack of 1) $20.23
$2023
current price $20.23GARDEN GYPSUM 6 LB. (Pack of 1)
174.7 out of 5 Stars. 17 reviews
The Andersons Humic DG Organic Soil Amendment - Covers up to 20,000 sq ft (40 lb) $85.39
$8539
current price $85.39The Andersons Humic DG Organic Soil Amendment - Covers up to 20,000 sq ft (40 lb)
724.7 out of 5 Stars. 72 reviews
Harris Horticultural Charcoal, Premium Biochar Soil Amendment for Plants and Terrariums, 2qt. $14.99 $7.50/dry quart
$1499
current price $14.99$7.50/dry quart
Harris Horticultural Charcoal, Premium Biochar Soil Amendment for Plants and Terrariums, 2qt.
1194.7 out of 5 Stars. 119 reviews
Wiggle Worm 100% Pure Worm Castings Plus Worm Egg Material, 40lbs Fertilizer and Soil Amendment for Indoor and Outdoor Gardening to Improve Soil Fertility and Aeration - 100% Organic and Odor Free $43.85
$4385
current price $43.85Wiggle Worm 100% Pure Worm Castings Plus Worm Egg Material, 40lbs Fertilizer and Soil Amendment for Indoor and Outdoor Gardening to Improve Soil Fertility and Aeration - 100% Organic and Odor Free
1084.8 out of 5 Stars. 108 reviews
Dr. Earth Pelletized Soil Acidifier Plant Food Fertilizer, 6 lb. $14.97 $2.50/lb
$1497
current price $14.97$2.50/lb
Dr. Earth Pelletized Soil Acidifier Plant Food Fertilizer, 6 lb.
1014.6 out of 5 Stars. 101 reviews
Premium Biochar Soil Enhancer – 100% Organic Charcoal Amendment for Improved Soil Health and Plant Growth 12 lbs From $23.75
2 options
Available in additional 2 optionsFrom$2375
Premium Biochar Soil Enhancer – 100% Organic Charcoal Amendment for Improved Soil Health and Plant Growth 12 lbs
114.8 out of 5 Stars. 11 reviews
Organic Elemental Sulfur Fertilizer 90% 5 Pounds Acidic Soil Amendment, Hydrangea & Blueberry Fertilizer, Ideal for Garden Soil & Lawn Care - Lancaster Agricultural Products $20.00
$2000
current price $20.00Organic Elemental Sulfur Fertilizer 90% 5 Pounds Acidic Soil Amendment, Hydrangea & Blueberry Fertilizer, Ideal for Garden Soil & Lawn Care - Lancaster Agricultural Products
15 out of 5 Stars. 1 reviews
Organic Mechanics Worm Castings Soil Amendment, 1 lb $14.69
$1469
current price $14.69Organic Mechanics Worm Castings Soil Amendment, 1 lb
54.4 out of 5 Stars. 5 reviews
SCD Bio Ag, 1 Liter Microbial Inoculant, Natural Fertilizer and Probiotic Soil Amendment From $20.74
3 options
Available in additional 3 optionsFrom$2074
SCD Bio Ag, 1 Liter Microbial Inoculant, Natural Fertilizer and Probiotic Soil Amendment
254.9 out of 5 Stars. 25 reviews
Supply Solutions Organic Crab Meal Fertilizer 4-2-0 | 18% Calcium | Natural Soil Amendment for Garden, Lawn, and Flower Beds | Improves Soil Health & Boosts Plant Growth (20lbs) $58.00
$5800
current price $58.00Supply Solutions Organic Crab Meal Fertilizer 4-2-0 | 18% Calcium | Natural Soil Amendment for Garden, Lawn, and Flower Beds | Improves Soil Health & Boosts Plant Growth (20lbs)
Life-Cycle-Organics 100% Granular Worm Castings Soil Amendment, 20 oz $6.99
$699
current price $6.99Life-Cycle-Organics 100% Granular Worm Castings Soil Amendment, 20 oz
24 out of 5 Stars. 2 reviews
Pennington Epsom Salt Plant Food Fertilizer, 7 lb. From $9.97
2 options
Available in additional 2 optionsFrom$997
Pennington Epsom Salt Plant Food Fertilizer, 7 lb.
5684.6 out of 5 Stars. 568 reviews
Supply Solutions Organic Crab Meal Fertilizer 4-2-0 | 18% Calcium | Natural Soil Amendment for Garden, Lawn, and Flower Beds | Improves Soil Health & Boosts Plant Growth (5lbs) $33.00
$3300
current price $33.00Supply Solutions Organic Crab Meal Fertilizer 4-2-0 | 18% Calcium | Natural Soil Amendment for Garden, Lawn, and Flower Beds | Improves Soil Health & Boosts Plant Growth (5lbs)
Coast of Maine Fish Bone Meal Soil Amendment, Budding & Blooming, Calcium, Phosphorus Plant Food Fertilizer $29.60
$2960
current price $29.60Coast of Maine Fish Bone Meal Soil Amendment, Budding & Blooming, Calcium, Phosphorus Plant Food Fertilizer
MODANU 0.66LBS Vermiculite Organic Vermiculite For Plants Fine Horticultural Vermiculite Soil Amendments Vermiculite Bulk Soil Additive Perfect for Potted Plants and Garden Professional Grade 1-3mm $9.99 Was $9.99
$999
current price $9.99, Was $9.99$9.99
MODANU 0.66LBS Vermiculite Organic Vermiculite For Plants Fine Horticultural Vermiculite Soil Amendments Vermiculite Bulk Soil Additive Perfect for Potted Plants and Garden Professional Grade 1-3mm
113.5 out of 5 Stars. 11 reviews
Organic Bone Meal Fertilizer for Healthy Root Development in Vegetables Flowers and Potted Plants Slow Release Garden Soil Amendment Phosphorus Boost $5.99 Was $6.99
Now$599
current price Now $5.99, Was $6.99$6.99
Organic Bone Meal Fertilizer for Healthy Root Development in Vegetables Flowers and Potted Plants Slow Release Garden Soil Amendment Phosphorus Boost
Popular in Soil Amendments for Healthy Garden Soil
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