Comparison: Best Amazon Plant Soil (Updated | Nov 11th)
Whether you’re growing lush houseplants, vibrant veggies, or finicky succulents, the right soil makes all the difference. In this comparison, we’ll break down the top-performing soils available on Amazon, based on real reviews, ingredients, and performance—so you can choose with confidence and watch your plants thrive.
- Best for gnat-resistant blend: Miracle-Gro Houseplant Potting Mix: Fertilized
- Best for six-month moisture: Miracle-Gro Moisture Control Potting Mix
- Best for dual-bag blooms: Miracle-Gro Potting Mix
- Best for organic indoor guard: Miracle-Gro Organic Indoor Potting Mix
- Best for outdoor organic boost: Miracle-Gro Organic Outdoor Potting Mix
- Best for coir water retention: Miracle-Gro Indoor Potting Mix
- Best for all-purpose growth: Miracle-Gro Potting Mix
- Best for cactus palm citrus: Miracle-Gro Cactus
- Best for succulent specialist: Miracle-Gro Succulent Potting Mix
- 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
Product Comparison: Best Amazon Plant Soil
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 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 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 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 Indoor Potting Mix, Blended for a Variety of Houseplants, Feeds for up to 6 Months, 16 qt., 2-Pack
- Miracle-Gro Indoor Potting Mix feeds houseplants for up to 6 months and is designed to be less prone to gnats (contains no compost or bark, which are known to shelter fungus gnats)
- This potting mix contains coconut coir, which holds and releases water and helps soil re-wet
- Where to use: Blended for a wide variety of indoor container plants, including climbing, foliage, flowering, and tropical plants
- How to use: To use, fill a container about 1/3 full with potting mix; add more mix after placing your plant in the pot
- What’s included: This bundles includes two 16 qt. bags of Miracle-Gro Indoor Potting Mix, each able to fill one 12-inch containers (exact amount may vary based on the root ball size)
Miracle-Gro Potting Mix, For Indoor or Outdoor Potted Plants, Flowers, Vegetables, Shrubs, Annuals, and Perennials, Feeds Up to 6 Months, 8 qt.
- Feeds all potted plants: Miracle-Gro Potting Mix feeds all types of potted plants, including flowers, vegetables, shrubs, annuals, and perennials for up to 6 months
- Promotes growth: This potting soil Grows Plants Twice As Big! (vs. unfed plants)
- Boosts color: Get more blooms for more color (vs unfed plants)
- Application: To apply 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; water thoroughly
- Coverage: Each 8 qt. bag of Miracle-Gro Potting Mix fills two 8 inch containers (exact amounts may vary depending on the size of the root ball)
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 Succulent Potting Mix, For Indoor Succulents, Aloe Vera and More, Made with Miracle-Gro Plant Food, 4 qt
- Miracle-Gro Succulent Potting Mix is specially formulated for succulents
- This potting mix is a blend of sphagnum peat moss, processed forest products, and Miracle-Gro plant food
- Use with indoor succulent plants, including aloe vera, cacti, echeverias, houseleek, burro’s tail and more
- To plant succulents, select a pot with a drain hole, fill 1/3 full of potting mix, place your plant in the pot, cover with more mix and press lightly; water and enjoy
- One 4 qt. bag of Miracle-Gro Succulent Potting Mix fills one 8-inch container; amounts vary based on the size of the root ball
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
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 consider when choosing a potting mix for indoor houseplants?
Look for a blend that balances water retention and drainage, includes nutrients for steady feeding, and minimizes pest issues like fungus gnats. Products with perlite, sphagnum peat moss, or coconut coir help keep roots aerated while holding moisture. Also check if the mix is certified organic or contains added fertilizer for longer feeding periods.
How does Miracle-Gro’s Indoor Potting Mix differ from the Houseplant Potting Mix?
The Indoor Potting Mix emphasizes a coconut coir base that releases water slowly and is formulated to be less prone to gnats, while the Houseplant Potting Mix uses a perlite‑sphagnum‑peat blend for extra aeration. Both feed plants for up to six months, but the Indoor version comes in a larger 16‑qt. bundle, making it more economical for multiple pots.
Is the Moisture Control Potting Mix a good choice for beginners?
Yes, its AquaCoir formula absorbs up to 33% more water and protects against both over‑ and under‑watering, which reduces the risk of root rot. The mix also includes a built‑in fertilizer that can double plant size compared to unfed soil. It comes in two 8‑qt. bags, providing enough volume to experiment with several container plants.
Which product is best for organic gardening enthusiasts?
The Miracle‑Gro Organic Indoor Potting Mix and Organic Outdoor Potting Mix both use responsibly sourced peat and natural fertilizers, with the indoor version also adding coir for moisture control. They are certified organic and free from synthetic additives, making them ideal for gardeners who prioritize sustainability. Choose the indoor blend for houseplants and the outdoor blend for patio containers.
Can I use a single potting mix for both succulents and foliage plants?
While succulents require fast‑draining soil, foliage plants benefit from a mix that holds more moisture. The Succulent Potting Mix is specially formulated with a gritty texture for cacti and aloe, whereas the Houseplant or Indoor mixes contain more peat and coir for moisture retention. Using the appropriate mix for each plant type will yield healthier growth.
How do the larger 16‑qt. bundles compare in value to the smaller 4‑qt. bags?
The 16‑qt. bundles, such as the Indoor Potting Mix and Organic Indoor Mix, provide a lower cost per quart and are sufficient to fill multiple 12‑inch containers, making them cost‑effective for larger collections. Smaller 4‑qt. bags, like the Succulent Mix, are better for trial runs or limited space. Consider the number of pots you plan to fill and the specific plant needs when deciding on size.
What features help reduce fungus gnat infestations?
Mixes that avoid compost or bark, such as the Indoor Potting Mix and Houseplant Potting Mix, are less attractive to gnats because they lack organic matter that larvae feed on. Adding perlite or coconut coir improves drainage and reduces excess moisture, further discouraging gnat breeding. Regular watering practices and good pot ventilation also play a key role.
Is the Back to the Roots 100% Organic Indoor Mix a viable alternative to Miracle‑Gro products?
Back to the Roots offers a peat‑free, organic formula with mycorrhizal fungi and yucca extract, which enhances root development and moisture retention without synthetic fertilizers. While it may not provide the same immediate nutrient boost as Miracle‑Gro’s fertilized mixes, it appeals to eco‑conscious gardeners seeking a fully organic solution. Its pet‑safe, gnat‑resistant composition makes it a strong contender for indoor use.