Top 9 Soil Amendments Organic – Garden Soil

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1. Rio Hamza Trading


All Natural Soil Amendment, Soil Builder, and Fertilizer, 3 Pound Bag, Organic Worm Castings

Rio Hamza Trading #ad - Packaged in a 8 inch by 10 inch resealable bag and weighs approximately 3 pounds. Our 100% all natural worm castings help strengthen root development and promote healthier overall plant growth.

Perfect for houseplants, flowers, and vegetables - Using just a small handful of Worm Castings with your potting mix or as a top dressing will help to yield larger and healthier plants. Increases plant growth - worm castings is an All-Natural and Organic Fertilizer that is proven to strengthen root development and help promote healthier plant growth. Make your plants happy - worm castings are nature's gift for increasing plant growth and productivity the natural way. All-natural, non-toxic, odor free, OMRI listed for Organic use with no chemical fertilizers or synthetic materials.
BrandRio Hamza Trading #ad
ManufacturerRio Hamza Trading #ad
Part NumberTUEEQE-144

2. Harvest Gold Organics


Organic Soil Conditioner, Gardens and Trees, Provides Natural Silica and Micronutrients for Plants 3 Pound Bag, Flowers, Natural Soil Amendment for Houseplants, Lawns, Harvest Gold Organics

Harvest Gold Organics #ad - Harvest gold organics premium soil conditioner is a high quality, multi-purpose, all-natural soil amendment for indoor and outdoor plants, lawns and gardens. It is designed to optimize water consumption, and safe for pets and people. It is comprised of 100-percent organic nutrients and this pure plant food with no fillers enriches your garden with the best the earth has to offer.

Our natural organic soil amendment is approved for organic gardening, fruits, blooms, trees, health and beauty of grass, herbs, flowers, shrubs, addressing specific nutrient deficiencies, reducing water use and loosens heavy clay soil. Harvest gold organics premium soil conditioner increases water and nutrient uptake, while protecting against mold, vibrant and beautiful plants, helping to grow strong, disease and environmental stress. Harvest gold organics soil builder is a pet safe, increase nutrient uptake and make you lawn strong and resilient. We believe that plant and garden care products should be good for plants, and safe for pets, people and the planet.

Our all- natural micronutrient blend for Plants is certified organic. The completely unique silica and mineral blend is guaranteed to maximize growth, vegetables and more! We believe that plant and garden care products should be good for plants, natural lawn repair solution for those stubborn lawn patches. Harvest gold organics premium soil conditioner is safe for pets, non-toxic and kid friendly. Our premium micronutrient blend of Silica for plants and nine naturally occurring beneficial plant minerals from mother earth are guaranteed to maximize plant growth and durability.
BrandHarvest Gold Organics #ad
ManufacturerHarvest Gold Silica #ad

3. Cz Garden Supply


Garden Soil Amendment Fertilizer for Plants. Calcium/Magnesium Additive. Safely Raise and Stabilize pH. 100% Pure Water Soluble. Cures Blossom End Rot in Tomatoes & Peppers, Organic Dolomite Lime

Cz Garden Supply #ad - Prevents and cures blossom end rot in tomatoes and Peppers! Resealable, easy pour packaging: cz garden dolomitic Lime is professionally packaged in a 5 LB Heavy Duty resealable pouch designed for long term storage.

Ya dig? Germinate. Supplies essential nutrients calcium and magnesium, and sweetens your soil to improve plant growth and maximize fertilizer performance. Cultivate. Propagate. Pour the necessary quantity with ease and store the rest for future use. Cz garden organics is committed to developing Premium Grade custom soil amendment blends, fertilizers, and nutrients for your organic garden.

Dolomite lime is all natural mineral fertilizer listed by the Organic Materials Review Institute OMRI for use in organic production. Raises and stabilizes soil pH. Perfect for earthboxes and other container gardens! Natural limestone is ground into an ultra-fine powder for rapid reaction time.
BrandCz Garden Supply #ad
ManufacturerCz Garden #ad
Height3.5 Inches
Length6 Inches
Weight5 Pounds
Width4 Inches
Part NumberCzDLimePDR

4. Doter


Soil Amendment for Enhanced Drainage and Growth, Organic Perlite for Plants, Ideal for Potting Mixes2 Quart

Doter #ad - Light weightdoes not weigh down Roots, Does Not Decompose. Prevent soil compactionit's porosity Prevents Soil From Compacting. Improve soil nutrientsmaintain the nutrient-rich environment of potting soil. Improve soil drainage improved drainage for Potted Plants Grown Indoors and Outdoors. Impove soil aerationperlite sponge Rock has a porous structure that provides excellent drainage.
BrandDoter #ad
ManufacturerDoter #ad
Height3.94 Inches
Length3.94 Inches
Width1.18 Inches
Part NumberPerlite-1

5. The Andersons


Covers up to 5,000 sq ft 10 lb, The Andersons BioChar DG Organic Soil Amendment

The Andersons #ad - Ideal for seeding and composting applications on lawns, potted plants, gardens, flower beds, etc. Not for sale in California and Oregon. Biochar lasts in the soil for years, microbes, beneficial bacteria, and water, improving soil health over time with particles designed to attract nutrients, making all of these more available for plants. Builds rich, carbon-heavy soil that requires less fertilizer for plant growth. Easy-to-apply spherical, low-dust formulation -- Features DG Technology, which allows particles to disperse with water, uniform, moving immediately into the soil.
BrandThe Andersons #ad
ManufacturerThe Andersons #ad
Weight10 Pounds
Part NumberBiocharFBA



BRUT WORM FARMS All Natural Organic Worm Castings Soil Builder Potting Mix for Indoor & Outdoor Plants, 12, & Garden, 5, Lawn, OR 30 LB Bag

BRUT WORM FARMS #ad - Organic soil enricher: designed for truly natural gardening. Non-toxic and odor free, vegetables and more! Healthy microbes: treat your soil to balanced minerals and nutrients. Brut worm farms earthworm castings are dark, pure, rich, and high in organic matter--boosting and providing long-term nourishment to your plants’ soil.

Unlike other competitors, production is not outsourced so you can avoid sand, indoors, sticks and other things that don’t belong in a premium worm castings product. About brut worm farms: we raise the worms ourselves, on our farm in Minnesota. Our castings are teeming with beneficial microbes to keep your plants healthy and happy! fresh fertilizer: each 30 pound bag contains very fresh castings, it’s an excellent choice for houseplants, flowers, usually less than a week old, to guarantee only the best organic fertilizer that will make your plants thrive! Indoor or outdoor use: containing only high-quality earthworm castings and nothing else, our soil builder is perfectly suited for indoors or outdoors.

ManufacturerBrut Worm Farms, Inc. #ad
Height0 Inches
Length0 Inches
Weight0 Pounds
Width0 Inches
Part NumberIC-PNPE-MSK3

7. SCD Probiotics


Chemical-Free Liquid Soil Amendment by SCD Probiotics 1 Liter, SCD Bio Ag, Organic Gardens, Crops & Lawn Care, Beneficial Microbial Inoculant

SCD Probiotics #ad - How it works - add our patented blend of living microbes & their metabolites to your garden & connecting them to the nutrients they need in both the soil & let these efficient organisms get to work. Creating more accessible nutrients & richer soil for stronger roots, plant resilience, greater yields & bigger flowers.

Dilution ratios are clear on the packaging. Scd probiotics - we’re passionate about bringing the benefits of evidence-based probiotic science to your family, home & garden. It’s even used by professional farmers! winner of the Kansas State Univ Ingenuity Award, this savvy chemical-free soil builder is 100% safe for plants, kids & pets. All our green household & gardening products are planet-approved & made in beautiful Kansas City, MO. But scd bio ag will keep working in your dirt after that. Simple to use - no fancy green thumb skills required! Easily apply our ready-to-go soil conditioner to your germinating seeds, foliage, soil, roots, lawn or compost--anything but directly to blooms.

Targeting your plants’ root zones & the air. Balancing your garden’s biodiversity, rebuilding dead soil & unlocking key nutrients for your plants, like nitrogen & phosphorous. Fast results - you’ll see the difference in your 1st growing season. Scd probiotics bio ag - this bottle teeming with beneficial microbes is like probiotics for your plants. Organic farms - scd bio ag meets the standard of omri-listed for organic crop use.
BrandSCD Probiotics #ad
ManufacturerSCD Probiotics #ad
Height3 Inches
Length9 Inches
Width3 Inches
Part NumberA192



Stimulates Plants Growth, High-Yield Organic Fertilizer Supplement, Superchar, 128oz Jug, ALLÉO, Premium Charcoal Soil Amendment, All Natural Enhancer for Garden and Potting Soil

ALLÉO #ad - We also partner with rePurpose Global to remove plastic waste with every purchase. Superchar, biochar soil amendment, is a natural soil ameliorant made by converting forest residues and agricultural waste into a high-yield organic soil enhancer—boosting and providing long-term nourishment to your plants for sustained growth and fertility! Earth friendly fertilizer: creates a "carbon negative" ecosystem.

Organic biochar increases soil's carbon and nitrogen content and other vital nutrients like phosphorous and potassium that encourages beneficial micro-organisms, keeping your plant's roots healthy and happy! Boost drought tolerance: retains more moisture between waterings. Organic soil conditioner: designed to supercharge your soil, super naturally. Application: mix 1 part bio char to 9 parts planting soil with any other amendments suitable to your plants and specific soil.

Carbon is removed from the atmosphere and returned to the soil where it can continue to benefit the earth for hundreds of years. When you use superchar biochar for soil amendment you nourish your plants and your planet. Enhance life: superchar amender helps soil thrive. Improving soil's aeration and permeability, Superchar natural soil conditioner boosts water retention and reduces nutrient leaching, helping to extend the life of your plants in dry, arid conditions.
BrandALLÉO #ad
ManufacturerAlleo #ad
Part NumberBBA100

9. GS Plant Foods


Superior Organic Soil Amendment 3 lbs, Turbo Soil Bio-Blend

GS Plant Foods #ad - Trusted & reliable: at gs plant foods, and yield consistent & amazing results in your garden, we understand that you are placing your trust in us to provide you with the highest quality products available. The garden soil amendment is a great natural slow-release fertilizer that is beneficial for all plants including tomatoes, and more.

Whatever you add turbo Soil Bio-Blend to will benefit greatly from our high-quality blend. We have 100% confidence in the quality of our products and continuously strive to deliver the best customer experience. Gs plant foods soil amendments will help plants be able to better absorb micro-and macro-nutrients, most vibrant, vegetables, to get you the healthiest, blooms, and productive plants, and thus grow healthier and more prosperously. For large potted plants; 1/2 cup per gallon of soil, shrubs & trees; 3 lbs over 100 sq ft. Easy to apply for natural great results: for turfs, mixed into soil.

For new growth applications; till into soil. For individual small potted plants; 2 tablespoons per plant 6 inch, mixed into soil. Gs plant foods turbo soil bio-blend is a superior blend that can be applied in your herb gardens, organic elements and other nutrients which greatly benefits the development of the plant’s root system, house plants, healthier plant, resulting in stronger, and potted plants without concern for waste or harmful chemicals. For application to existing growth; sprinkle on top of soil at base. This soil amendment consists of naturally occurring humic acid.
BrandGS Plant Foods #ad
ManufacturerGS Plant Foods #ad
Weight3 Pounds