Comparison: Best Non Gmo Potting Soil (Updated | Nov 11th)
That’s why we’ve dug into the dirt to find the best non-GMO potting soils that deliver real results without the chemicals. From organic blends to eco-friendly mixes, we’ll break down what makes each one stand out—so you can plant with confidence and watch your garden thrive, the natural way.
- Best for quick-release fertilizer: 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 gnat-resistant soil: Miracle-Gro Houseplant Potting Mix: Fertilized
- Best for expandable coco coir: 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 water-balancing mix: Miracle-Gro Organic Indoor Potting Mix
- Best for aquacoir formula: Miracle-Gro Moisture Control Potting Mix
- Best for growth-boost mix: Miracle-Gro Potting Mix
- Best for bulk outdoor mix: Miracle-Gro Organic Outdoor Potting Mix
- Best for non-gmo gold: Dr. Earth Pot of Gold All Purpose Potting Soil 8 qt
- Best for premium living soil: Organic Potting Soil for Indoor Plants. Boost House Plant Growth for Monstera
Product Comparison: Best Non Gmo Potting Soil
Miracle-Gro Organic Outdoor Potting Mix, for Outdoor Container Plants, Contains Quick-Release Natural Fertilizer, OMRI Listed, 16 qt.
- 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)
Back to the Roots 100% Organic Potting Mix (Value 12 Quart) | Premium Blend | Made in The USA
- 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.
Miracle-Gro Houseplant Potting Mix: Fertilized, Perlite Soil for Indoor Gardening, Designed to Be Less Prone to Gnats, 4 qt.
- 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
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
- 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!
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 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)
Miracle-Gro Moisture Control Potting Mix, For Container Plants, Protects against Over- and Under-Watering, 8 qt., 2-Pack
- Miracle-Gro Moisture Control Potting Mix feeds plants for up to 6 months and Grows Plants Twice As Big! (vs unfed plants)
- This potting medium protects against over and under watering; also absorbs up to 33% more water than basic potting soil* with exclusive AquaCoir Formula (*soil that does not contain sphagnum peat moss, coir, and wetting agent)
- Use this gardening product with all types of container plants, including flowers, vegetables, annuals, perennials, and shrubs
- To use this potting soil, fill a container about 1/3 full with potting mix; place your plant in the pot and cover with more mix
- This bundle comes with two 8 qt. bags of Miracle-Gro Moisture Control Potting Mix; each fills two 8-inch containers (exact amounts may vary depending on the size of the root ball)
Miracle-Gro Potting Mix, For Container Plants, Flowers, Vegetables, Annuals, Perennials, Shrubs, Feeds for up to 6 Months, 16. qt., 2-Pack
- Miracle-Gro Potting Mix feeds container plants for up to 6 months so you get more blooms for more color (vs. unfed plants)
- How to use: To use this potting medium, fill a container about 1/3 full with potting mix, place your plant in the soil, and fill the rest of the pot, pressing lightly
- What’s included: This bundles includes two 16 qt. bags of Miracle-Gro Potting Mix, each able to fill one 12-inch container (exact amounts may vary based on root ball size)
- Where to Use: Use this home gardening product with all types of container plants, including annual and perennial flowers, vegetables, herbs and shrubs
- This potting soil mix Grows Plants Twice As Big (vs. unfed plants)
Miracle-Gro Organic Outdoor Potting Mix, for Outdoor Container Plants, Contains Quick-Release Natural Fertilizer, OMRI Listed, 25 qt.
- 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)
Dr. Earth Pot of Gold All Purpose Potting Soil 8 qt
- 8 Quart Bag
- Ideal for herbs, vegetables, indoor gardens, container plants, flowers and all container plants.
- Use in any size container, both indoor and outdoor, including hanging baskets house plants and patio
- People and Pet safe.
- OMRI listed, Non-GMO Project Verified, CDFA OIM Registered
Organic Potting Soil for Indoor Plants. Boost House Plant Growth for Monstera, Fiddle Leaf, Money Tree, Pothos, Snake Plant, Aroid, Flowers, Herbs, Veggies, & More, Smart Grower 3 LB Ready to Plant
- Maximize Indoor Plant Growth Naturally– This premium organic indoor potting soil blend combines organic compost, peat, biochar, worm castings, and coco coir for a lightweight, nutrient-rich mix. Ideal for indoor herb gardens, vegetables, flowers, and house plants like Monstera, Snake Plants, and Money Trees.
- Save Time and Effort with Your Plants– No need for mixing or expanding soil—just open and plant! Smart Grower organic indoor potting soil provides a hassle-free, nutrient-packed living soil with superior drainage to prevent overwatering and root rot giving you a quick, no -fuss solution for happier indoor plants.
- USA Made, Cruelty-Free & Pet Safe – Feel good with organic indoor plant soil made in the USA without bone meal, fish byproducts, or animal-derived ingredients. This organic indoor plant soil is completely pet-safe, cruelty-free, and non-GMO—perfect for eco-conscious gardeners.
- Quickly Revive & Strengthen Indoor Plants – Supercharged with our root-enhancing blend of mycorrhizal fungi, sea kelp, molasses, yucca extract, Trichoderma, and beneficial Bacillus microbes to revive struggling plants, promote strong root growth, and maximize yields for your indoor plants.
- Made For Healthier Indoor Plants – Expertly designed for optimal indoor plant health, extended indoor plant life, and better yields for indoor vegetable plants, flowers and tropicals. Whether you need Monstera soil, Pothos soil, or an aroid potting mix, snake plant soil, fiddle leaf fig soil, tropical plant soil, this premium blend provides everything your houseplants need to thrive.
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 should I look for when choosing a non‑GMO potting soil?
Prioritize certifications like the Non‑GMO Project Verified or OMRI listing, which confirm the blend contains no genetically modified ingredients. Check the ingredient list for peat‑free options if you want a lower carbon footprint, and look for added organic amendments such as worm castings or mycorrhizae that boost plant health. Finally, consider the intended use—indoor versus outdoor—to select a mix with the right moisture‑retention properties.
How does a peat‑free blend compare to a peat‑based mix?
Peat‑free blends, like Back to the Roots’ mix, use upcycled plant material and wood fines, offering a lighter carbon impact and often better aeration. Peat‑based mixes, such as Miracle‑Gro Organic Outdoor, provide excellent water retention but rely on harvested peat, which raises sustainability concerns. Performance differences are usually minor for most garden plants, so choose based on your environmental priorities.
Which product offers the most value for large outdoor containers?
Miracle‑Gro Organic Outdoor Potting Mix (25 qt) fills three 10‑inch containers and includes a quick‑release natural fertilizer that feeds for up to two months, giving a solid cost‑per‑container ratio. For a peat‑free alternative, Back to the Roots offers a 12 qt bag that’s versatile but may require a larger purchase to match the coverage. Consider the bag size and included nutrients to determine the best price‑performance balance.
Are there any potting soils that are both pet‑safe and non‑GMO?
Dr. Earth Pot of Gold All Purpose Potting Soil is OMRI listed, Non‑GMO Project Verified, and labeled pet‑safe, making it a reliable choice for households with animals. The Organic Potting Soil for Indoor Plants also claims to be pet‑safe, cruelty‑free, and non‑GMO, while providing a nutrient‑rich blend for indoor growers. Both options eliminate concerns about harmful additives.
What added amendments should I look for to boost plant growth?
Soils that include worm castings, kelp, mycorrhizae, or beneficial microbes—like Wonder Soil’s coco coir mix and the Indoor Organic Potting Mix—provide extra nutrients and improve root development. Yucca extract and dolomitic limestone, found in Back to the Roots, help regulate moisture and pH, which can lead to healthier foliage. These amendments often reduce the need for additional fertilizers.
How do moisture‑control formulas differ from standard mixes?
Moisture‑control blends, such as Miracle‑Gro Moisture Control Potting Mix, contain AquaCoir and wetting agents that absorb up to 33 % more water, extending watering intervals. Standard mixes like Miracle‑Gro Houseplant Potting Mix rely on perlite and peat for drainage but may dry out faster. If you prefer low‑maintenance watering, a moisture‑control formula can save time and water.
Is it worth buying larger bulk bags versus smaller ones?
Bulk bags, like the 16 qt Miracle‑Gro Organic Indoor Mix, usually offer a lower cost per quart and are ideal for multiple containers or ongoing projects. Smaller bags, such as the 4 qt indoor mix, provide flexibility for occasional use and reduce the risk of the soil going stale. Choose bulk if you have consistent planting needs; otherwise, smaller sizes give you more control over inventory.