Comparison: Best 707 Soil Mix (Updated | Nov 11th)
But with so many options out there, how do you know which one truly delivers? We’ve dug into the details, tested top contenders, and compared ingredients, performance, and value so you don’t have to. Whether you’re growing veggies, flowers, or cannabis, the right 707 mix can make all the difference. Let’s break down the best picks to help your garden thrive.
- Best for 707 premium mix: Roots Organics Formula 707 Growing Mix 3 Gallon Grow in Bag
- Best for organic outdoor boost: Miracle-Gro Organic Outdoor Potting Mix
- Best for peat-free all-purpose: Back to the Roots 100% Organic Potting Mix (Value 12 Quart) | Premium Blend | Made in The USA
- Best for gnat-resistant indoor: Miracle-Gro Houseplant Potting Mix: Fertilized
- Best for biochar power blend: Wakefield Premium Biochar Blend – Organic Potting Soil for Vegetables
- Best for 6-month growth: Miracle-Gro Potting Mix
- Best for fast-drain succulents: Miracle-Gro Cactus
- Best for aquacoir water guard: Miracle-Gro Moisture Control Potting Mix
- Best for tropical sustainable blend: Sol Soils Chunky Houseplant Mix – Fast Draining Soil for Indoor Plants with Coco Coir Chips
- Best for balanced organic indoor: Miracle-Gro Organic Indoor Potting Mix
Product Comparison: Best 707 Soil Mix
Roots Organics Formula 707 Growing Mix 3 Gallon Grow in Bag
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
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
- 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.
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 Cactus, Palm and Citrus Potting Mix, for Indoor or Outdoor Potted Plants, Great for Succulents, 8 qt., 2-Pack
- Miracle-Gro Cactus, Palm & Citrus Potting Mix features a fast-draining formula and is enriched with Miracle-Gro Plant Food
- This fast-draining formula is blended to help promote successful growing of cacti, potted palms, citrus, and other succulents
- This cactus potting mix is designed for indoor and outdoor container plants, including cacti, palm plants, citrus trees, and succulents
- To use this succulent soil mix, fill a pot with a drainage hole 1/3 full of mix, top with more mix after placing plant, and press lightly
- This bundle includes two 8 qt. bags of Miracle-Gro Cactus, Palm & Citrus Potting Mix, each able to fill two 8-inch containers (amounts may vary based on root ball size)
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)
Sol Soils Chunky Houseplant Mix – Fast Draining Soil for Indoor Plants with Coco Coir Chips, Perlite, & Pumice, 1 Gallon
- SUSTAINABLE BLEND WITH ORGANIC MATERIALS: Contains a unique mix of organic coconut coir, coconut husk chips, and recycled forest products; this gnat free indoor potting soil for house plants offers moisture retention and aeration for healthy roots
- IMPROVED DRAINAGE: Designed with perlite, pumice, pine bark, & LECA (lightweight expanded clay aggregate) for optimal drainage & aeration, this indoor potting mix for house plants prevents root rot & supports vigorous growth and nutrient retention
- PERFECT FOR TROPICAL & AROID PLANTS: Great for aroids like Monstera, Philodendron, and Anthurium, as well as succulents, Christmas Cactus, and other jungle plants; this chunky soil mix for indoor plants promotes robust root health
- PEAT MOSS FREE: Our tropical potting mix is not peat based because peat bogs are ecologically fragile and it’s not a sustainable option for plants on any level which is why we use coco chips for plants and the planet to thrive in a functional way
- SUSTAINABILITY: Through our partnerships with global non-profits, we donate a portion of every bag of our indoor houseplant soil potting mix sold to plant a tree in the world’s most deforested areas
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)
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 are the key differences between Roots Organics Formula 707 and other organic potting mixes?
Roots Organics Formula 707 is a 3‑gallon grow‑in‑bag blend specifically formulated for seedlings and transplanting, emphasizing a balanced nutrient profile and sterile medium. Competing mixes like Miracle‑Gro Organic Outdoor or Back to the Roots focus on larger volumes and added fertilizers, while Wakefield’s Biochar Blend adds biochar for long‑term soil health. Choose 707 if you need a ready‑to‑use, sterile mix for indoor propagation; opt for others if you prefer added fertilization or biochar benefits.
How does the nutrient release of Miracle‑Gro Organic Outdoor Potting Mix compare to the 707 mix?
Miracle‑Gro Organic Outdoor includes a quick‑release natural fertilizer that feeds plants for up to two months, whereas the 707 mix provides a balanced, low‑fertilizer base designed for early growth stages. The outdoor mix is better for established container plants needing immediate nutrition, while 707 supports seedlings without risking fertilizer burn.
Is the Back to the Roots 12‑quart organic potting mix a sustainable alternative to the 707 mix?
Back to the Roots boasts a peat‑free, upcycled blend with yucca extract for moisture control and dolomitic limestone for pH balance, making it environmentally friendly. The 707 mix uses traditional peat‑based components but offers a sterile, ready‑to‑plant formula. If sustainability is a priority, Back to the Roots may be preferable, though it may lack the sterile guarantee of 707.
Which mix offers the best value for larger outdoor container gardens?
Miracle‑Gro Potting Mix (two 16‑qt bags) and Miracle‑Gro Moisture Control (two 8‑qt bags) provide larger quantities at competitive prices and include built‑in fertilizer for up to six months. The 707 mix comes in a smaller 3‑gallon bag, which may be more expensive per volume. For extensive outdoor planting, the larger Miracle‑Gro options generally deliver better cost efficiency.
Can the Wakefield Premium Biochar Blend replace the 707 mix for indoor seedlings?
Wakefield’s blend is enriched with biochar, humic acid, and carbon‑boost technology, offering superior water retention and nutrient absorption for mature plants. However, its formulation is geared toward long‑term soil health rather than the sterile, seed‑starting environment that 707 provides. For indoor seedlings, 707 remains the safer, more controlled choice.
How important is peat content when choosing between these potting soils?
Peat provides excellent water retention and acidity control, which benefits many houseplants, but it also raises sustainability concerns. Products like Back to the Roots and Sol Soils eliminate peat in favor of coconut coir and recycled materials, reducing environmental impact. If peat‑free options are important to you, those mixes are better alternatives to peat‑rich formulas like 707.
Which potting mix is best for preventing fungus gnats and other pests?
Miracle‑Gro Houseplant Potting Mix combines perlite, sphagnum, and peat moss to create a less hospitable environment for gnats, while Sol Soils Chunky Houseplant Mix uses LECA and perlite for superior aeration. The 707 mix, being sterile, also minimizes pest issues but may require careful watering to avoid excess moisture. For pest‑prone areas, mixes with higher aeration components are advantageous.
Do any of these mixes include built‑in fertilizers, and how does that affect long‑term plant health?
Several mixes, such as Miracle‑Gro Organic Outdoor, Miracle‑Gro Potting Mix, and Miracle‑Gro Moisture Control, contain integrated fertilizers that feed plants for several months, promoting rapid growth. While convenient, continuous fertilizer release can lead to nutrient buildup over time. The 707 mix and peat‑free options like Back to the Roots provide a neutral base, allowing you to add fertilizer as needed for more precise nutrient management.