Comparison: Best Readymade Soil For Plants (Updated | Nov 11th)
With so many readymade options on the shelf, choosing the right one can feel overwhelming. But what if you could skip the trial and error and go straight to the best? Let’s break down the best readymade soils so you can grow with confidence, not confusion.
- Best for gnat-resistant indoor: Miracle-Gro Houseplant Potting Mix: Fertilized
- Best for organic outdoor feed: Miracle-Gro Organic Outdoor Potting Mix
- Best for water-balanced indoor: Miracle-Gro Organic Indoor Potting Mix
- Best for aquacoir moisture control: Miracle-Gro Moisture Control Potting Mix
- Best for bog-ready carnivorous: Carnivorous Plant Soil Mix – 1 Quart Bag – Premium Blend of Perlite & Peat Moss – Ideal for Venus Flytraps
- Best for pet-safe organic: Back to the Roots 100% Organic Indoor Potting Mix (Value 12 Quart) | Promotes Healthy Houseplant Growth| Made in The USA
- Best for living soil blend: 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 growth-boosting mix: Miracle-Gro Potting Mix
- Best for expandable coco mix: 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 organic: Miracle-Gro Organic Outdoor Potting Mix
Product Comparison: Best Readymade Soil For Plants
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
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)
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)
Carnivorous Plant Soil Mix – 1 Quart Bag – Premium Blend of Perlite & Peat Moss – Ideal for Venus Flytraps, Pitcher Plants, Sundews & Other Carnivorous Species – Ready to Use, Natural, Resealable Bag
- 🌱 All-Natural Ingredients – Made from a carefully balanced blend of sphagnum peat moss and horticultural perlite—no fertilizers, no additives—safe and ideal for carnivorous plants.
- 💧 Moisture-Retaining Yet Well-Draining – Holds the perfect amount of moisture while allowing excess water to drain, mimicking the bog-like conditions carnivorous plants love.
- 🌿 Supports Healthy Root Development – Soft, airy structure encourages root growth and airflow, preventing compaction and creating a low-nutrient environment perfect for these sensitive species.
- 📦 1-Quart Resealable Bag – No Mixing Required – Pre-blended and packaged for convenience. Great for beginners or experienced growers looking for a mess-free solution.
- 🪰 Perfect for Carnivorous Plant Species – Specially designed for Venus flytraps, pitcher plants, sundews, and other carnivorous plants that require nutrient-free, acidic soil conditions.
Back to the Roots 100% Organic Indoor Potting Mix (Value 12 Quart) | Promotes Healthy Houseplant Growth| Made in The USA
- FORMULATED FOR INDOOR USE: Our Potting Mix contains organic yucca extract that aids in retaining moisture in the soil whichs keeps your indoor plants happy and healthy
- ROOT-BOOSTING MYCORRHIZAE: This beneficial soil component provides your plants with a natural, organic way to boost their root development and nutrient uptake
- ORGANIC AND PEAT-FREE: Our indoor potting mix helps reduce greenhouse emissions and environmental impact, making it a responsible choice for conscious consumers
- BALANCING DOLOMITIC LIMESTONE: Balances the alkalinity and acidity levels of the soil, which ensures that your plants receive the necessary nutrients from the potting mix to grow healthy and strong
- SAFE FOR PETS AND PEOPLE: Made without bark or compost, this potting mix is less prone to indoor gnats and pests, making it a worry-free option for your indoor gardening needs
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
- 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.
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)
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 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)
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 factors should I compare when choosing between indoor and outdoor potting mixes?
Look at the blend of ingredients, such as peat, coir, perlite, and any added fertilizers, to match the moisture needs of your plant type. Indoor mixes often include moisture‑control additives and are formulated to reduce gnats, while outdoor mixes focus on durability and nutrient release for harsher conditions. Also consider the recommended container size and whether the mix is certified organic if sustainability matters to you.
How does Miracle‑Gro Houseplant Potting Mix differ from Miracle‑Gro Organic Indoor Potting Mix?
The Houseplant Mix combines perlite, sphagnum peat, and a synthetic fertilizer for quick feeding, and it’s designed to be less prone to gnats. The Organic Indoor Mix uses responsibly sourced peat, coir, and a natural, quick‑release fertilizer, offering a more eco‑friendly option with similar moisture‑control benefits. Both fill a 12‑inch pot, but the organic version may appeal to gardeners seeking fewer synthetic inputs.
Which soil blend is best for carnivorous plants like Venus flytraps and sundews?
Carnivorous plants require a low‑nutrient, acidic medium, making the Carnivorous Plant Soil Mix the ideal choice with its peat‑perlite blend and no added fertilizers. This mix mimics bog conditions by retaining moisture while providing excellent drainage. Avoid standard potting soils that contain excess nutrients, which can harm these sensitive species.
Is the Miracle‑Gro Moisture Control Potting Mix worth the higher price compared to the regular Miracle‑Gro Potting Mix?
Moisture Control Mix includes an AquaCoir formula that holds up to 33% more water and feeds plants for up to six months, potentially reducing watering frequency and fertilizer purchases. For growers who struggle with inconsistent watering or want larger growth, the added value can offset the cost. If you have a well‑managed watering routine, the regular mix may be sufficient.
How do organic mixes like Back to the Roots and Rosy Soil compare to peat‑based mixes in terms of sustainability?
Back to the Roots and Rosy Soil are peat‑free, using ingredients such as yucca extract, biochar, and dolomitic limestone, which lower greenhouse‑gas emissions associated with peat extraction. Peat‑based mixes like Miracle‑Gro’s indoor products still perform well but have a larger environmental footprint. Choosing peat‑free options supports more sustainable gardening practices.
What benefits do added mycorrhizae and biochar provide in mixes such as Back to the Roots and Rosy Soil?
Mycorrhizae form symbiotic relationships with plant roots, improving nutrient uptake and drought tolerance, while biochar enhances soil structure and moisture retention. These components create a living soil ecosystem that promotes healthier, faster‑growing plants. They also help reduce the need for frequent fertilization.
How much potting mix do I need for a typical 12‑inch container?
Most 12‑inch pots require roughly one 16‑quart bag of mix; this applies to Miracle‑Gro Organic Indoor, Organic Outdoor, and standard Miracle‑Gro Potting Mixes. The 4‑quart Miracle‑Gro Houseplant Mix fills an 8‑inch pot, so you’d need about two bags for a 12‑inch container. Adjust the amount slightly based on the root ball size and desired planting depth.
Are there any potting soils that help prevent indoor gnats?
Yes, mixes that incorporate perlite, sphagnum peat, and a low‑nutrient formulation—such as Miracle‑Gro Houseplant Potting Mix, Back to the Roots, and Rosy Soil—are less attractive to gnats. The reduced organic matter and improved drainage limit the breeding grounds for these pests. Regular watering practices and proper container drainage further help keep gnats at bay.