Soil Amendments & Conditioners

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Espoma Soil Acidifier
Not Yet Rated
$16.28
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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.

CAL FLO Liquid Limestone
4.5 out of 5 stars (4)
$57.33
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A liquid limestone that quickly changes the soils pH level as needed in agricultural or turf-grass applications.

Hi-Yield Aluminum Sulfate
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$16.55
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This acidifies the soil to lower the pH for a acid soil condition for Azaleas, Rhododendrons and Gardenias.


Sun Bulb Better-Gro Phalaenopsis Orchid Potting Mix
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$17.74
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A peat moss mixture that has the ideal moisture that is formulated for the orchid root and plant growth.

Hydretain RTS
3.5 out of 5 stars (2)
$32.46
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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.

Sun Bulb Better-Gro Special Orchid Mix
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$18.39
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An all-natural and 100% organic potting mix that is highly porous for excellent drainage and root ventilation for Orchids.


Espoma Organic Vermiculite
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$17.31
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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.

Lady Bug Natural Brand Super Natural Expanded Shale
5 out of 5 stars (2)
$35.86
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An organic resource of Hadite from the Burnet Shale that is found in North Central Texas for sandy and heavy soils.

Natural Guard Soil Activator
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$30.24
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A all-natural based soil activator to return the nutrients that are needed for lawn and garden soil.


Espoma Soil Perfector
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$34.62
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An all-natural soil conditioner that permanently enhances the structure of any soil.

Bailey Nurseries Color Me Pink
5 out of 5 stars (2)
$19.48
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Bailey Nurseries and Bonide have teamed up to bring an all natural way to "sweeten" the soil to turn Hydrangeas pink.

Sprint 138
5 out of 5 stars (2)
$115.75
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A 6% fully chelated EDDHA iron that prevents iron chlorosis by maintaining and protecting iron availability in the most challenging soils that are alkaline or calcareous.


Turface Athletics Quick Dry
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$46.12
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An advanced infield soil conditioner that is made of fine particles to instantly clear up puddles and mud on skinned playing surfaces.

Pennington Pelletized Dolomitic Limestone
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$35.60
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A pelletized Dolomitic Limestone that raises the pH level in soil to provide the levels of calcium and magnesium.

Pennington Fast Acting Lime
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$17.16
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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.


Lady Bug Natural Brand Square Foot Gardening Blend
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$50.31
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A blend of five composts, coarse vermiculite and coir fiber that makes a perfect potting soil for gardening and containers.

Sprint 330
Not Yet Rated
$67.45
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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.

Dr Earth Acid Lovers Premium Soil Organic Planting Mix
4 out of 5 stars (1)
$41.74
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An organic potting soil that creates soil conditions to promote blooming and vigorous health for all acid loving plants.


Espoma Garden Lime
5 out of 5 stars (1)
$14.39
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An organic lime supplement, formulated with 100 percent organic ingredients that contains no fillers and sledges.

Hi-Yield Horticultural Hydrated Lime
Not Yet Rated
$16.43
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A lime that corrects soil acidity for shrubs, flowers, vegetables, lawns and house plants.

Gordons Bov-A-Mura Nutrient Supplement 5-0-0
Not Yet Rated
$73.24
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A professional nutrient supplement for an effective natural turf-grass management programs on sports turf, golf courses, parks, and lawns.


Bonide Hydrated Lime
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$18.32
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A hydrated lime that quickly raises soil pH level to optimize conditions for better growth of plants and lawns.

FoxFarm Bush Doctor Coco Loco Potting Mix
Not Yet Rated
$41.06
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A coconut coir fiber potting mix made from coconut husks that resists compaction, absorbs evenly for aeration and drainage. Allows for less watering!

Sun Bulb Better-Gro Orchid Moss
Not Yet Rated
$11.56
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An all-natural and 100% organic sphagnum moss that is sterile and clean and holds moisture, yet drains quickly for a perfect medium for basket growing.

 

Soil Amendments & Conditioners for Garden Soil Preparation

While pest and disease control, fertilizing, and proper planting techniques are key parts to your landscape and garden success, the quality of your soil can greatly impact the quality of your plants more than any other factor. Doing some garden soil preparation can save you a lot of time and bring you more healthy plants. Instead of bringing in pounds and pounds of packaged topsoil, you can use soil amendments to improve the soil’s properties.

 

See also: Lawn & Garden Pest Control

Soil Amendments

Soil amendments, also called soil conditioners, are materials added to your soil that aim to improve aspects of your soil, like water retention, permeability, drainage, aeration, and structure. Your soil should be able to support the roots of your plants while providing the optimal environment for growth. Soil amendments are thoroughly mixed into the soil, not laid on top like mulch. 

Types of Soil Amendments & Conditioners

The end results you’re looking for will determine which type of soil amendment you choose. Organic soil amendments include sphagnum peat, wood chips, grass clippings, straw, compost, manure, biosolids, sawdust, and wood ash. Inorganic soil amendments are manmade or mined, and include vermiculite, perlite, pea gravel, and sand. Organic products have the added benefit of containing nutrients and serve as a food source for beneficial fungi, bacteria, and earthworms, and are the best soil amendments for vegetable gardens. 

Using Soil Amendments 

Before choosing something to add to improve your soil, you should first assess your soil’s condition and research before adding anything to your soil. Soil testing can help you determine what you soil needs in order to better support plant growth. You can order soil tests, which will tell you the current pH, levels of nutrients (phosphorus, potassium, calcium, magnesium, zinc, manganese), and any fertilizer recommendations. These tests can make it clearer on the amendments you might need for your soil. 

 

Along with a soil test, you need to diagnose your soil as heavy (clay-based) or light (sand-based) because certain combinations of soils and amendments can make your soil worse. For example, difficult clay soils need to be porous, permeability, aeration, and drainage and you could use peat, wood chips, tree bark, or straw; adding sand to clay can make it even more compacted, similar to concrete. Sandy soils need to be able to hold water and nutrients and benefit from decomposed organic materials.

 


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