Natural & Organic Soil Amendments for Lawn & Garden

Depending on where you live and your local climate, your soil may not be the most ideal for planting flowers and crops. Soil amendments help adjust soil to the optimal conditions for plants to thrive with natural and organic nutrients and ingredients. Shop our wide selection of soil amendments above to find the nutrients that meet your needs. 

1-24 of 39
4.5 out of 5 stars (21)
$57.33
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A liquid limestone that quickly changes the soils pH level as needed in agricultural or turf-grass applications.
$21.30
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A natural soil amendment that boosts the effect of fertilizers on lawns and provides magnesium and calcium.
4 out of 5 stars (8)
$33.32
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A water surfactant that holds water vapor in the plants that reduces watering by up to 50% and improves soil penetration.
5 out of 5 stars (1)
$6.64
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Multiple sizes available
Soil Moist stores water for plants and releases water as needed. Saves up to 50% in watering!
$34.62
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An all-natural soil conditioner that permanently enhances the structure of any soil.
5 out of 5 stars (1)
$75.25
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Multiple sizes available
A water soluble chelated micro-nutrients fertilizer that is compatible with fertilizers and pesticides for vegetable crops to golf courses.
$18.20
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Vermiculite aerates compacted soil so plants can absorb more nutrients with the loosened soil and keeping it well-drained and healthy.
3 out of 5 stars (2)
$18.81
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Multiple sizes available
A mineral supplement that will quickly turn plants from yellow to green, and is great for use in lawns, trees, flowers, shrubs, and vegetables.
4.5 out of 5 stars (14)
$15.17
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Multiple sizes available
A natural and organic plant source of humic acid to enrich the soil indoor plants to outdoor lawn and gardens.
5 out of 5 stars (1)
$42.64
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A all-natural potting soil that will assist plants pursuing nutrients from the ground with microbes and other organic matter.
5 out of 5 stars (1)
$7.02
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A specially formulated fungi and ecto- and endo-mycorrhizal to inoculate transplant shrubs and trees during planting time.
$28.38
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An all-natural organic root stimulant and soil conditioner that builds plants from the roots up and for use on all plants, from seeding to maturity.
5 out of 5 stars (1)
$19.99
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A soil amendment to inoculate transplant shrubs and trees during planting time as well as promote root growth and enhance microbial.
$23.16
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Multiple sizes available
An all-natural & organic greensand for organic gardening that feeds and conditions the soil with minerals and potash for flower bed gardens.
$18.14
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An organic soil conditioner that promotes root growth and helps loosen clay soils for gardens, lawns and shrubs.
$48.41
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A potting soil that is designed to pump up your fruits, blooms and berries by providing them the right balance of nutrients.
$13.94
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A unique blend of rich organic materials from humic acid, a natural wetting agent, 17 natural L-amino acids and porous clay.
$77.80
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A finely screened soil conditioner with earthworm castings and beneficial microbes for root development.
5 out of 5 stars (1)
$16.99
Out of Stock
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A soil acidifier that has all organic ingredients that acidifies or lowers the pH of the soil for Hydrangeas and Blueberries.
5 out of 5 stars (3)
$119.58
Out of Stock
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A professional fully chelated EDDHA iron that prevents iron chlorosis by maintaining and protecting iron availability in the most challenging soils that are alkaline or calcareous.
$71.25
Out of Stock
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A 10% fully chelated DTPA Iron and water-soluble manganese combination that helps correct specific mineral deficiencies in slightly acid to slightly alkaline soil.
5 out of 5 stars (1)
$39.60
Out of Stock
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An all-natural and organic sphagnum peat moss soil amendment and ideal for organic gardening and production.
$17.79
Out of Stock
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A fast acting Lime that raises the pH levels in soil and last for up to 4 months for better growth of lawns.
5 out of 5 stars (1)
$16.43
Out of Stock
Free Shipping!
A lime that corrects soil acidity for shrubs, flowers, vegetables, lawns and house plants.

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