Comparison: Best Good Dirt Potting Mix Organic (Updated | Nov 11th)
But with so many choices, how do you know which one delivers? We’ve dug into the top contenders—examining ingredients, texture, performance, and real user results—to help you pick the perfect mix for thriving, healthy plants, straight from the bag to your garden bed.
Editor’s Choice
Best for a specific purpose
- Best for peat-free blend: Back to the Roots 100% Organic Potting Mix (Value 12 Quart) | Premium Blend | Made in The USA
- Best for quick-release fertilizer: Miracle-Gro Organic Outdoor Potting Mix
- Best for water balance guard: Miracle-Gro Organic Indoor Potting Mix
- Best for gnat-resistant soil: Miracle-Gro Houseplant Potting Mix: Fertilized
- Best for coco coir power: 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 large-scale fertilizer: Miracle-Gro Organic Outdoor Potting Mix
- Best for biochar living soil: 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 dual bag value: Miracle-Gro Organic Indoor Potting Mix
- Best for mycorrhizae rich mix: Espoma Organic Potting Soil Mix – All Natural Potting Mix for All Indoor & Outdoor Containers Including Herbs & Vegetables. for Organic Gardening
- Best for carbonboost biochar: Wakefield Premium Indoor Potting Soil – Professional Biochar & Probiotics with CarbonBoost Technology – Ultimate Organic Potting Mix for Indoor & Outdoor Plants
Product Comparison: Best Good Dirt Potting Mix Organic
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.
Quick-Release Fertilizer
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)
Water Balance Guard
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)
Gnat-Resistant Soil
Miracle-Gro Houseplant Potting Mix: Fertilized, Perlite Soil for Indoor Gardening, Designed to Be Less Prone to Gnats, 4 qt.
Miracle-Gro
- Growing indoors is easy under the right conditions; Miracle-Gro Houseplant Potting Mix combines key elements plants need to thrive
- Recommended for growing beautiful indoor houseplant varieties like Pothos, Spider Plants, Monstera, Philodendron, English Ivy and more
- This indoor plant soil is less prone to gnats, thanks to the combination of perlite, sphagnum and peat moss that’s just right
- Certified by the Mulch & Soil Council as a quality product in compliance with industry standards
- A single 4-qt bag fills an 8-inch container; for even more spectacular results, start regular feedings with Miracle-Gro Plant Food 30 days after planting
Coco Coir Power
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!
Large-Scale Fertilizer
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)
Biochar Living Soil
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.
Dual Bag Value
Miracle-Gro Organic Indoor Potting Mix, Protects Against Over and Under Watering, for Indoor Container Plants, Houseplants and Starter Plants, OMRI Listed, 8 qt., 2-Pack
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
- This bundle includes two 8 qt. bags of Miracle-Gro Organic Indoor Potting Mix; each bag fills two 8-inch containers (amounts may vary based on the size of the root ball)
Mycorrhizae Rich Mix
Espoma Organic Potting Soil Mix – All Natural Potting Mix for All Indoor & Outdoor Containers Including Herbs & Vegetables. for Organic Gardening, 4qt. Bag. Pack of 1
Espoma
- FOR USE ON: Not just an indoor potting soil, this can also be used as a potting soil for outdoor plants and is a great soil mix for vegetables, herbs & all other container plants & flowers.
- CONTAINS: This organic soil for plants & vegetables is a rich blend of sphagnum peat moss, humus & perlite enriched with earthworm castings, alfalfa meal, kelp meal & feather meal
- MYCO-TONE: A proprietary blend of endo & ecto mycorrhizae.
- WHEN TO USE: Any time planting containers, whether starting a new plant or transplanting into a larger container. Plants require regular re-potting and fresh planting soil for optimum growth.
- ORGANIC GARDENING: Contains a rich blend of only the finest natural ingredients. No synthetic plant foods or chemicals are used.
CarbonBoost Biochar
Wakefield Premium Indoor Potting Soil – Professional Biochar & Probiotics with CarbonBoost Technology – Ultimate Organic Potting Mix for Indoor & Outdoor Plants, Succulents & House Plants – 4Quarts
Wakefield Biochar
- Superior Soil System: Our premium indoor potting soil combines biochar soil amendment with CarbonBoost technology to revolutionize plant growth. This specialized house plant soil creates optimal growing conditions through enhanced soil aeration and reduced compaction, making it perfect for indoor potted plants, succulents, and soil for outdoor plants. The unique formula transforms basic planting soil into a high-performance growing medium that maximizes nutrient availability.
- Water & Nutrient Control: This professional-grade succulent soil features advanced moisture retention properties that reduce watering frequency by up to 40%. The biochar-enriched indoor gardening soil creates a dynamic nutrient reservoir that amplifies the effectiveness of house plant fertilizer and organic plant food, ensuring your indoor pots for house plants maintain ideal growing conditions with minimal maintenance.
- Root Development Technology: Our indoor soil potting mix is supercharged with beneficial mycorrhizae and plant probiotics that dramatically improve root system development. This premium potting soil for indoor plants creates a thriving microbiome that enhances nutrient uptake, strengthens plant immunity, and promotes vigorous growth across all types of indoor and outdoor plants. The specialized formula works particularly well as potting soil for succulents and tropical houseplants.
- Sustainable Solution: The organic potting mix is crafted from renewable resources and enriched with biochar for plants, making it an environmentally responsible choice for both soil indoor plants and garden soil for outdoor plants. This innovative indoor plant soil formula reduces the need for chemical fertilizers while supporting carbon sequestration, perfect for eco-conscious gardeners seeking sustainable plant care solutions.
- Boost Root Development and Soil Fertility Empower your plants with enhanced root growth and nutrient uptake from the ground up. Our bio char for plants is infused with mycorrhizae and plant probiotics, strengthening root systems by increasing their surface area and ensuring better nutrient uptake and water retention. This houseplant potting soil boosts fertility and resilience, helping plants withstand environmental stress for vibrant, long-lasting growth.
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 ingredients should I look for in an organic potting mix?
Look for blends that include peat‑free components such as coco coir, wood fines, or composted plant matter, which improve sustainability and aeration. Additives like mycorrhizae, kelp, worm castings, or biochar boost nutrient availability and root health. Moisture‑regulating agents such as yucca extract or perlite help prevent over‑ or under‑watering.
How does Back to the Roots 12‑qt mix differ from Miracle‑Gro’s organic mixes?
Back to the Roots is 100% organic and peat‑free, using upcycled plant material and wood fines, while Miracle‑Gro’s outdoor and indoor mixes contain responsibly sourced peat along with added natural fertilizer. The Back to the Roots blend includes yucca extract for moisture control and dolomitic limestone for pH balance, whereas Miracle‑Gro emphasizes quick‑release fertilizer that feeds for up to two months.
Is a larger bag always better value for my garden?
A larger bag can lower the cost per quart, but you should match the bag size to your container needs to avoid waste. For example, the 25‑qt Miracle‑Gro Outdoor mix fills three 10‑inch pots, while the 12‑qt Back to the Roots mix is ideal for several smaller containers. Consider storage space and how quickly you’ll use the mix before it loses its beneficial microbes.
Which mix is best for indoor houseplants that are prone to root rot?
Mixes that combine peat with coarse aerating agents like perlite or coco coir reduce water retention and improve drainage, lowering the risk of rot. The Miracle‑Gro Houseplant Potting Mix uses perlite and sphagnum peat for a well‑draining blend, while the Wonder Soil coco‑coir mix offers excellent aeration and water retention balance. Both are suitable, but the Wonder Soil’s peat‑free formula may be gentler for sensitive roots.
Do any of these mixes include built‑in fertilizer, and how long does it last?
Miracle‑Gro’s organic indoor and outdoor mixes contain a quick‑release natural fertilizer that feeds plants for about two months. Back to the Roots does not include added fertilizer, relying on its nutrient‑rich organic base, so you may need to supplement with a balanced plant food. Wonder Soil also does not have built‑in fertilizer but adds worm castings and kelp for slow‑release nutrients.
How important is pH balance in an organic potting mix?
A stable pH ensures nutrients remain available to plant roots; most organic mixes aim for a slightly acidic range (6.0‑6.5). Back to the Roots includes dolomitic limestone to help maintain pH, while Miracle‑Gro’s mixes rely on the natural acidity of peat and coir. If you grow pH‑sensitive plants, choose a mix that explicitly mentions pH regulation.
What extra benefits do premium mixes like Wakefield or Rosy Soil offer?
Premium mixes often add biochar, mycorrhizae, and probiotics to enhance soil structure, nutrient uptake, and plant immunity. Wakefield’s blend uses CarbonBoost technology for moisture control and reduced watering frequency, while Rosy Soil incorporates biochar and pine bark fines for robust root development. These features can lead to faster growth and healthier plants, especially for demanding houseplants and succulents.