Comparison: Best Green All Organic Potting Soil (Updated | Nov 11th)
We’ve dug deep (literally) to compare top contenders, evaluating ingredients, sustainability, and real garden results. Whether you’re planting herbs on your windowsill or tomatoes in the backyard, we’ll help you choose a potting mix that’s good for your plants *and* the planet. Let’s find your perfect organic match.
Editor’s Choice
Best for a specific purpose
- Best for quick feed outdoor: Miracle-Gro Organic Outdoor Potting Mix
- Best for peat-free blend: Back to the Roots 100% Organic Potting Mix (Value 12 Quart) | Premium Blend | Made in The USA
- Best for microbe-boost soil: FoxFarm Happy Frog Potting Soil
- Best for water-guard indoor: Miracle-Gro Organic Indoor Potting Mix
- Best for living microbial mix: Gaia Green Organics Living Soil
- Best for bulk outdoor feed: Miracle-Gro Organic Outdoor Potting Mix
- Best for four-fold coco: WONDER SOIL Organic Potting Soil | Ready to Plant Coco Coir Fully Loaded with Nutrients | 3 LBS Bag Expands to 12 Quarts of Indoor Outdoor Soil for Gardens & Plants | Incl Worm Castings
- Best for herb-focused blend: Herbs and Leafy Greens Soil – Premium Organic Nutrient-Rich Potting Mix for Basil
- Best for biochar indoor mix: Rosy Soil Indoor Potting Soil for House Plants – Organic Potting Soil Mix for Indoor Plants – Enriched w/Root-Boosting Biochar for Foliage Plants
- Best for leafy green boost: Herbs and Leafy Greens Soil – Premium Organic Nutrient-Rich Potting Mix for Basil
Product Comparison: Best Green All Organic Potting Soil
Quick Feed Outdoor
Miracle-Gro Organic Outdoor Potting Mix, for Outdoor Container Plants, Contains Quick-Release Natural Fertilizer, OMRI Listed, 16 qt.
Miracle-Gro
- Miracle-Gro Organic Outdoor Potting Mix contains a quick-release natural fertilizer and also feeds plants for up to 2 months
- This potting mix is made with responsibly sourced peat (one hundred percent of peat sourced from certified producers)
- Use this organic potting mix with all types of outdoor container plants, including flowers, vegetables, herbs, annuals, and perennials
- To plant in pots, fill the container partially full with potting mix, place the plant in the pot after loosening the root ball, cover with more mix and water thoroughly
- One 16 qt. bag of Miracle-Gro Organic Outdoor Potting Mix fills one 12-inch container (amounts may vary based on the size of the root ball)
Peat-Free Blend
Back to the Roots 100% Organic Potting Mix (Value 12 Quart) | Premium Blend | Made in The USA
Back to the Roots
- 100% Organic and Peat-Free: Our potting mix is 100% organic and peat-free—made from upcycled plant matter and wood fines from across the U.S. No imported peat, just better soil with a lighter carbon footprint.
- All-Purpose: Our premium potting mix is versatile and well-suited for herbs, veggies, fruits, and flowers. It caters to all your gardening needs, and is proudly made in the USA.
- Better Moisture Control and pH Balance: Our premium soil blend incorporates yucca extract for moisture control and dolomitic limestone for pH balancing.
- 100% Satisfaction Guarantee: Not satisfied? Let us know. Our support team will get you growing with a replacement or refund—no questions asked.
- GROWONEGIVEONE — Share a photo of your growing garden and we’ll donate a Kids Grow Kit and STEM elementary school curriculum to a classroom of your choice.
Microbe-Boost Soil
FoxFarm Happy Frog Potting Soil, 12qt – for Indoor/Outdoor Container Plants, Improves Root Efficiency, pH Adjusted for Optimal Nutrient Uptake – Contains Microbes and Humic Acids
FoxFarm
- TOP-TIER SOIL FOR BOUNTIFUL GROWTH: FoxFarm organic potting soil for indoor plants is a blend that boosts both indoor and outdoor gardening. Our planting soil enhances root development and plant health, making it a top choice for flourishing growth
- MICROBE-INFUSED SOIL FOR SUPER ROOTS: Enriched with soil microbes, mycorrhizal fungi, and humic acids, this indoor potting soil for house plants promotes efficient nutrient uptake and boosts root growth by improving root systems and plant vitality
- ESSENTIAL NUTRIENTS FOR THRIVING PLANTS: The garden soil for outdoor plants contains bat guano, earthworm castings, and aged forest products, all essential for enhanced nutrient levels, soil structure, and soil vital organic matter for healthy plants
- OPTIMAL SOIL FOR LUSH CONTAINER BLOOM: Ideal for container gardens, fox farms happy frog potting soil for vegetables’ balanced texture and content is suitable for a wide range of plants including flowers, vegetables, shrubs, and houseplants
- READY-TO-USE CONVENIENT SOIL: Simply fill your container with garden fertilizer houseplant potting soil indoor plants, leaving 1 inch below the rim. Water thoroughly after planting. For best results, supplement growth all the seasons with Fox Farm fertilizers
Water-Guard Indoor
Miracle-Gro Organic Indoor Potting Mix, Protects Against Over and Under Watering, for Indoor Container Plants, Houseplants and Starter Plants, OMRI Listed, 16 qt.
Miracle-Gro
- Miracle-Gro Organic Indoor Potting Mix protects indoor plants against over and under watering
- This organic container mix is made with responsibly sourced sphagnum peat moss (one hundred percent of peat sourced from certified producers), coir, and quick-start natural fertilizer
- Use this potting medium with all types of indoor container plants, including houseplants and herbs; also great for seed starting
- To plant seeds, fill container with potting mix, follow seed package planting directions, and water; To use with transplants, partially fill container, place plant after loosening the root ball, cover with more mix pressing lightly, and water
- One 16 qt. bag of Miracle-Gro Organic Indoor Potting Mix fills one 12-inch container (amounts may vary based on the size of the root ball)
Living Microbial Mix
Gaia Green Organics Living Soil, 1.5 cu ft | Premium Organic Potting Mix for Seed Starting, Container Gardening, Houseplants & Raised Beds
UF URBAN FARM D & S GARDEN SUPPLIES
- 🌱 Rich in Premium Organic Ingredients – Contains high-quality components like compost, peat moss, perlite, and diverse natural minerals that promote healthy soil biology and plant vitality.
- 💧 Optimal Moisture & Porosity – Engineered to maintain excellent moisture retention while allowing roots to breathe, creating an ideal root environment.
- 🦠 Packed with Beneficial Microbes – This biologically active soil enhances microbial diversity, supporting natural soil ecosystems that contribute to resilient, healthy plants.
- 🌍 Certified Organic Input Material – Registered with CDFA, ensuring the soil meets strict organic standards, ideal for those who prioritize sustainable gardening practices.
- 🌿 Versatile for All Gardening Needs – Perfect for a range of uses, from seed starting to container gardening and raised beds, providing consistent support through each growth stage.
Bulk Outdoor Feed
Miracle-Gro Organic Outdoor Potting Mix, for Outdoor Container Plants, Contains Quick-Release Natural Fertilizer, OMRI Listed, 25 qt.
Miracle-Gro
- Miracle-Gro Organic Outdoor Potting Mix contains a quick-release natural fertilizer and also feeds plants for up to 2 months
- This potting mix is made with responsibly sourced peat (one hundred percent of peat sourced from certified producers)
- Use this organic potting mix with all types of outdoor container plants, including flowers, vegetables, herbs, annuals, and perennials
- To plant in pots, fill the container partially full with potting mix, place the plant in the pot after loosening the root ball, cover with more mix and water thoroughly
- One 25 qt. bag of Miracle-Gro Organic Outdoor Potting Mix fills three 10-inch containers (amount may vary based on the size of the root ball)
Four-Fold Coco
WONDER SOIL Organic Potting Soil | Ready to Plant Coco Coir Fully Loaded with Nutrients | 3 LBS Bag Expands to 12 Quarts of Indoor Outdoor Soil for Gardens & Plants | Incl Worm Castings, Perlite
Wonder Soil
- NUTRIENT RICH & INDOOR/OUTDOOR FAST GERMINATION… Wonder Soil Premium Organic Potting Soil Mix is the only dry compressed coco coir mix with added amendments of worm castings, mycorrhizae, kelp, perlite and more! Grow your plants faster with stronger roots! Peat free, all natural, family and pet safe!
- A LITTLE DOES A LOT… your little BIG bag of compressed indoor potting soil & garden soil for outdoor plants expands to 4 TIMES THE SIZE when mixed with water; easy to carry & saves vital shed space.
- PRE-MIXED & READY TO USE ORGANIC POTTING MIX … Pre-mixed and ready to use organic potting soil and garden soil mix to help make your gardening or hobby growing a breeze. Simply transplant your desired plants into their new container and add our soil mix or pour our soil mix and plant your seeds.
- WATER RETENTION & DRAINAGE… Coco coir has excellent water retention with dependable drainage and aeration in the root zone. Save up to 50% of water, fertilizer, and seed!
- HEAVY DUTY RESEALABLE BAG… Use what you need and save the rest for later! Keeping your planting soil dry and safe!
Herb-Focused Blend
Herbs and Leafy Greens Soil – Premium Organic Nutrient-Rich Potting Mix for Basil, Mint, Lettuce, Spinach, Arugula & More – Fast Growth, Healthy Roots, Ready to Use! (4 QTS)
Top Tier Genetics
- ✔ VERSATILE BLEND: Premium potting mix specifically formulated for growing herbs and leafy greens indoors with optimal drainage and aeration
- ✔ NUTRIENT-RICH: Contains essential nutrients and organic matter to support healthy root development and vigorous plant growth
- ✔ INDOOR GROWING: Perfect for windowsill gardens, container herbs, and indoor vegetable planters with moisture-retaining properties
- ✔ SOIL TEXTURE: Light and fluffy consistency allows roots to easily spread while maintaining proper moisture levels
- ✔ GROWING CAPACITY: Suitable for multiple plant varieties including basil, mint, parsley, lettuce, and other common kitchen herbs
Biochar Indoor Mix
Rosy Soil Indoor Potting Soil for House Plants – Organic Potting Soil Mix for Indoor Plants – Enriched w/Root-Boosting Biochar for Foliage Plants, Flowers, Herbs – Peat Free, Less Prone to Gnats – 4qt
Rosy Soil
- Thriving Growth Formula: Rosy Soil indoor potting soil for houseplants enhances the well-being of your indoor garden. Our indoor plant soil is enriched with biochar and pine bark fines for robust root systems, balanced moisture retention, and abundant, healthy plant growth. Say goodbye to wilting and welcome flourishing greenery!
- Ideal for All Types of Houseplants: Our indoor potting mix’s formula promotes living soil, which is teeming with beneficial microorganisms. These tiny soil allies work together with the plants to enhance their growth and are perfect for almost all types of houseplants, including foliage plants, flowers, ferns, herbs, and tropicals.
- Easy Planting Instructions: Fill the base of a well-draining container with the indoor plant soil. Carefully transfer your houseplant, ensuring that you gently free its roots from any debris. Finally, water generously from the top until excess water drains through the container’s drainage hole, providing optimal hydration for indoor plants.
- New Package with Same Quality Soil: Our trusted indoor potting soil mix is now in a fresh, resealable, plastic-neutral bag that keeps soil fresh and easy to use. Made with sustainable, premium materials free from peat and synthetic additives, it’s the same high-quality blend you trust, now in an eco-friendly package.
- Living Soil (Made in USA): Our package contains 4 quarts of indoor potting mix, enough for 2-3 plants, ensuring your indoor oasis remains nourished and flourishing. Fortified with beneficial fungi & microbes to help promote healthy root development and lush foliage.
Leafy Green Boost
Herbs and Leafy Greens Soil – Premium Organic Nutrient-Rich Potting Mix for Basil, Mint, Lettuce, Spinach, Arugula & More – Fast Growth, Healthy Roots, Ready to Use! (2 QTS)
Top Tier Genetics
- ✔ VERSATILE BLEND: Premium potting mix specifically formulated for growing herbs and leafy greens indoors with optimal drainage and aeration
- ✔ NUTRIENT-RICH: Contains essential nutrients and organic matter to support healthy root development and vigorous plant growth
- ✔ INDOOR GROWING: Perfect for windowsill gardens, container herbs, and indoor vegetable planters with moisture-retaining properties
- ✔ SOIL TEXTURE: Light and fluffy consistency allows roots to easily spread while maintaining proper moisture levels
- ✔ GROWING CAPACITY: Suitable for multiple plant varieties including basil, mint, parsley, lettuce, and other common kitchen herbs
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Buying Guide
FAQs
What key attributes should I prioritize when selecting an all‑organic potting soil for outdoor containers?
Look for a blend that balances nutrient content, drainage, and moisture retention. A quick‑release natural fertilizer can give an early boost, while organic matter like peat or coir improves structure. Also check that the mix is certified organic and sourced responsibly, especially if you care about sustainability.
How does a peat‑free mix like Back to the Roots compare to peat‑based options such as Miracle‑Gro?
Back to the Roots uses upcycled plant material and wood fines, giving it a lighter carbon footprint than peat‑based blends. It still provides good moisture control and pH balance thanks to yucca extract and dolomitic limestone. Peat‑based mixes, like Miracle‑Gro, often contain quick‑release fertilizers that feed plants for up to two months, which can be advantageous for fast‑growing vegetables.
Which product offers the most beneficial microbes for promoting healthy root systems?
FoxFarm Happy Frog stands out with its blend of mycorrhizal fungi, humic acids, and beneficial bacteria that enhance nutrient uptake. Gaia Green Organics Living Soil also emphasizes a rich microbial community and diverse natural minerals. Both are excellent choices if you want a living soil that actively supports root development.
Is there a noticeable price‑to‑value advantage among the 12‑quart options?
Back to the Roots provides a 12‑quart bag at a competitive price while delivering a peat‑free, all‑purpose formula with a satisfaction guarantee. FoxFarm Happy Frog is slightly pricier but includes premium amendments like bat guano and earthworm castings, offering higher nutrient density. Consider how many containers you’ll fill; larger bags like Miracle‑Gro’s 16‑qt version can lower per‑container cost for bigger projects.
Can I use an indoor‑rated mix like Miracle‑Gro Organic Indoor Potting Mix for outdoor gardening?
While Miracle‑Gro Indoor is formulated to protect against over‑ and under‑watering for houseplants, it can work outdoors in sheltered containers. However, outdoor mixes such as Miracle‑Gro Organic Outdoor include a quick‑release fertilizer designed for harsher conditions and may provide better long‑term feeding. If you need extra durability against weather, an outdoor‑specific blend is usually the safer bet.
How important is the presence of quick‑release fertilizer versus slow‑release nutrients in an organic mix?
Quick‑release fertilizers give an immediate nutrient boost, helping seedlings establish faster, which is useful for short‑season crops. Slow‑release organic nutrients sustain growth over weeks or months, reducing the need for supplemental feeding. Many premium mixes combine both approaches to offer balanced, ongoing support.
What should I know about packaging and storage for these potting soils?
Some products, like Wonder Soil, come in compressed bags that expand several times their size, saving storage space. Others, such as Rosy Soil, feature resealable packaging to keep the mix fresh between uses. Regardless of format, store the soil in a cool, dry place and keep the bag sealed to maintain microbial activity and prevent moisture loss.