Comparison: Best Organic Potting Soil For Tomatoes (Updated | Nov 11th)
If you’re growing tomatoes, you already know great soil makes all the difference—but not just any soil will do. We’ve dug into the dirt (literally) to compare top-rated organic potting soils, looking at ingredients, moisture retention, and real garden results.
Editor’s Choice
Best for a specific purpose
- Best for carbonboost blend: Wakefield Premium Biochar Blend – Organic Potting Soil for Vegetables
- Best for peat-free mix: 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 smart water retention: Wakefield Premium Biochar Blend – Organic Potting Soil for Vegetables
- Best for lightweight tomato soil: Coast of Maine Organic & Natural Planting Soil for Vegetables & Tomatoes – Premium Planting Soil w/ Composted Manure
- Best for rapid root development: GARDENERA Premium Organic Potting Soil for Tomatoes – (4 Quart Bag)
- Best for all-purpose topsoil: Michigan Peat 40 Pound Bag Garden Magic Organic Planting Potting Top Soil Blend Mix for Indoor and Outdoor Gardening and Landscapes
- Best for indoor water guard: Miracle-Gro Organic Indoor Potting Mix
- 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 container mix: Miracle-Gro Organic Outdoor Potting Mix
Product Comparison: Best Organic Potting Soil For Tomatoes
CarbonBoost Blend
Wakefield Premium Biochar Blend – Organic Potting Soil for Vegetables, Tomatoes & Gardens – Potting Mix Enriched with Humic Acid & CarbonBoost – Versatile Top Soil for Indoor & Outdoor Plants-4quarts
Wakefield Biochar
- Engineered for Superior Garden Performance: Wakefield’s premium potting soil with biochar, for outdoor plants with Humic acid, and our proprietary CarbonBoost technology, delivering optimal conditions for vibrant, sustained growth. Ideal for everything from raised beds to patio containers, this advanced formula supports healthy root systems whether you’re cultivating juicy tomatoes or leafy herbs.
- Enhanced Root Health and Nutrient Absorption: Formulated as a powerful soil amendment and effective soil conditioner, this advanced biochar blend supports healthy microbial ecosystems for optimized nutrient uptake and improved aeration. Whether you’re cultivating hardy vegetables or delicate herbs, it strengthens root development and enhances long-term fertility. Perfect for gardeners looking to elevate top soil for garden quality or enrich topsoil for vegetable garden beds.
- Smart Water Retention Meets Drainage Balance: Designed with advanced hydration control, this organic vegetable soil helps maintain ideal moisture levels while preventing overwatering. A great fit for container gardening and raised beds, it also works as a reliable soil mixer for sensitive environments. Use it indoor or outdoor, this blend functions beautifully as potting soil for plants.
- 100% Organic, Eco-Conscious Formula: Crafted without synthetic additives, this blend provides a sustainable, chemical-free base for clean cultivation. Ideal for anyone growing vegetables and herbs at home. It performs exceptionally as a gardening soil for vegetables and supports vibrant harvests. Whether you’re using it as a nutrient-rich indoor soil potting mix or as dependable outdoor potting soil, it delivers lasting results.
- Versatile, All-Purpose Growing Medium: From raised beds to balcony containers, this blend adapts effortlessly to diverse planting styles. Whether you’re cultivating with potting soil for outdoor plants, enriching topsoil in open plots, or managing delicate herbs indoors, Wakefield delivers consistent performance. It’s equally effective as indoor plant soil and supports lush growth in compact setups requiring high-quality indoor potting soil.
Peat-Free Mix
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)
Smart Water Retention
Wakefield Premium Biochar Blend – Organic Potting Soil for Vegetables, Tomatoes & Gardens – Potting Mix Enriched with Humic Acid & CarbonBoost – Versatile Top Soil for Indoor & Outdoor Plants-2quarts
Wakefield Biochar
- Engineered for Superior Garden Performance: Wakefield’s premium potting soil with biochar, for outdoor plants with Humic acid, and our proprietary CarbonBoost technology, delivering optimal conditions for vibrant, sustained growth. Ideal for everything from raised beds to patio containers, this advanced formula supports healthy root systems whether you’re cultivating juicy tomatoes or leafy herbs.
- Enhanced Root Health and Nutrient Absorption: Formulated as a powerful soil amendment and effective soil conditioner, this advanced biochar blend supports healthy microbial ecosystems for optimized nutrient uptake and improved aeration. Whether you’re cultivating hardy vegetables or delicate herbs, it strengthens root development and enhances long-term fertility. Perfect for gardeners looking to elevate top soil for garden quality or enrich topsoil for vegetable garden beds.
- Smart Water Retention Meets Drainage Balance: Designed with advanced hydration control, this organic vegetable soil helps maintain ideal moisture levels while preventing overwatering. A great fit for container gardening and raised beds, it also works as a reliable soil mixer for sensitive environments. Use it indoor or outdoor, this blend functions beautifully as potting soil for plants.
- 100% Organic, Eco-Conscious Formula: Crafted without synthetic additives, this blend provides a sustainable, chemical-free base for clean cultivation. Ideal for anyone growing vegetables and herbs at home. It performs exceptionally as a gardening soil for vegetables and supports vibrant harvests. Whether you’re using it as a nutrient-rich indoor soil potting mix or as dependable outdoor potting soil, it delivers lasting results.
- Versatile, All-Purpose Growing Medium: From raised beds to balcony containers, this blend adapts effortlessly to diverse planting styles. Whether you’re cultivating with potting soil for outdoor plants, enriching topsoil in open plots, or managing delicate herbs indoors, Wakefield delivers consistent performance. It’s equally effective as indoor plant soil and supports lush growth in compact setups requiring high-quality indoor potting soil.
Lightweight Tomato Soil
Coast of Maine Organic & Natural Planting Soil for Vegetables & Tomatoes – Premium Planting Soil w/ Composted Manure, Sphagnum Peat Moss for Multi Use Ground & Containers – Enhanced Drainage (20 Qt)
Coast of Maine
- PREMIUM INGREDIENTS: This specifically crafted organic compost blend provides a lightweight potting mix that supports abundant growth of tomatoes and vegetables.
- VERSATILE VEGETABLE SOIL: Coast of Maine Organic Soil for Tomatoes & Vegetables is used when seeding, transplanting or topping off your in-ground vegetable garden or your indoor and outdoor potted containers.
- REVITALIZING PLANT CARE: Planting Soil for Tomatoes & Vegetables is formulated to balance moisture retention and drainage, making it perfect for both in-ground and container planting.
- EARTH FRIENDLY COMPOST FOR SOIL: OMRI listed for organic use, our organic potting soil for annuals reflects Coast of Maine’s commitment to nature-conscious, responsible gardening practices.
Rapid Root Development
GARDENERA Premium Organic Potting Soil for Tomatoes – (4 Quart Bag)
Gardenera
- 🌳 PROFESSIONALLY MIXED IN THE USA – Each bag is hand blended on our small family farm with premium horticultural grade ingredients: Coco Coir, Canadian Peat Moss, Perlite, Worm Castings- 4 QUART BAG
- ✅ PROMOTES RAPID ROOT DEVELOPMENT: With extra perlite and low-salt coconut coir, GARDENERA soil promotes rapid root development .
- 💧 SUPER MOISTURE DRAINAGE- Protects roots by quickly draining away excess water but keeping dirt moist for nutrient retention, best mimics their natural outdoor environment.
- ✅ APPROVED FOR ORGANIC GROWING: All Gardenera Organics premium potting soils are made in the USA 🇺🇸 and contain no additives, proving them great for use in organic growing.
- 🌱 DEVELOPED BY PLANT PARENTS FOR PLANT PARENTS – Crafted specifically to support the growth of Tomatoes. This high quality hand crafted mix is great for Tomatoes. It will allow your plant to grow and become large and healthy.
All-Purpose Topsoil
Michigan Peat 40 Pound Bag Garden Magic Organic Planting Potting Top Soil Blend Mix for Indoor and Outdoor Gardening and Landscapes, White
Garden Magic
- Ready-to-Use for All Planting Needs: This general-purpose potting mix is ready to use out of the bag, making it perfect for both indoor and outdoor planting without any additional preparation
- Optimal Moisture Retention & Drainage: Designed to allow excess water to drain effectively while retaining moisture, promoting healthy plant growth during dry seasons
- High-Quality Soil Blend: Features a dark blend of reed sedge peat, perlite, and sand, offering the best conditions for plant health and soil structure
- Perfect for All Gardeners: Developed for both new and experienced home gardeners, this soil mix enhances plant growth in various environments and gardening projects
- Improves Soil Quality: Ideal for loosening heavy clay soils and enhancing moisture in light soils, making it perfect for use as a top dressing to fill holes in lawns and garden beds
Indoor Water 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)
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 Container Mix
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)
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 features should I look for in an organic potting soil for tomatoes?
Tomatoes thrive in soil that offers balanced moisture retention and drainage, high organic matter, and nutrients like phosphorus and potassium. Look for blends with biochar, peat, coco coir, or worm castings that boost root health and microbial activity. A pH around 6.0‑6.8 and added slow‑release fertilizers can improve fruit set and flavor.
How does Wakefield Premium Biochar Blend compare to Back to the Roots’ organic mix?
Wakefield’s blend includes biochar, humic acid, and CarbonBoost technology, focusing on soil structure and long‑term fertility, while Back to the Roots uses upcycled plant material and yucca extract for moisture control. Both are 100% organic, but Wakefield emphasizes enhanced aeration and nutrient uptake, whereas Back to the Roots highlights a peat‑free, lower‑carbon footprint formula. Choose Wakefield for heavy‑feeding tomatoes and Back to the Roots for a lighter, eco‑conscious option.
Is Miracle‑Gro Organic Outdoor Potting Mix a good value for container tomatoes?
Miracle‑Gro provides a quick‑release natural fertilizer that feeds plants for up to two months, which can reduce the need for supplemental feeding. The mix is made with responsibly sourced peat and fills a 12‑inch container per 16‑quart bag, offering decent coverage for small‑scale growers. Its price‑to‑volume ratio is competitive, but it may lack the biochar and microbial enhancements found in premium blends.
Which soil offers the best moisture management for tomatoes grown in raised beds?
Coast of Maine’s organic soil balances moisture retention and drainage, making it suitable for both in‑ground and raised‑bed applications. Wakefield’s blend also features smart water retention technology, but its biochar content may retain more moisture over time. For raised beds that can dry out quickly, Coast of Maine provides a reliable, lightweight mix.
Do any of these soils contain added fertilizers, and how does that affect organic certification?
Miracle‑Gro Organic mixes (both indoor and outdoor) include a quick‑release natural fertilizer, yet they remain OMRI‑listed for organic use. Wakefield, Back to the Roots, and Gardenera rely on organic amendments without synthetic fertilizers, preserving a fully organic profile. If you prefer a fertilizer‑free medium, choose one of the latter options and add your own organic feed as needed.
How important is the presence of worm castings or mycorrhizae for tomato growth?
Worm castings add beneficial microbes and slow‑release nutrients, while mycorrhizae improve root absorption of water and minerals. Wonder Soil includes both worm castings and mycorrhizae, offering a boost to early root development. Products lacking these may still perform well, but adding a supplemental inoculant can help match the benefits.
What’s the most cost‑effective option for a beginner gardener planting a few tomato seedlings?
Back to the Roots 12‑quart value pack provides a budget‑friendly, all‑purpose organic mix with a satisfaction guarantee, ideal for small batches. Michigan Peat’s 40‑pound bag also offers a low price per pound, though it’s a general‑purpose blend without tomato‑specific enhancements. For the best balance of price and tomato‑focused performance, consider the 4‑quart Gardenera mix, which is formulated specifically for tomatoes and comes in a manageable size.