Comparison: Best Home Depot Miracle Grow Potting Soil (Updated | Nov 11th)
If you’ve ever stood in the gardening aisle overwhelmed by bags of potting soil, you’re not alone. That’s why we dug into Home Depot’s selection of Miracle-Gro potting soils to find the best picks for your indoor greens, outdoor containers, and everything in between. Spoiler: not all Miracle-Gro soils are created equal. Let’s break down the top contenders so you can skip the guesswork and start growing with confidence.
- Best for six-month feed: Miracle-Gro Potting Mix
- Best for organic quick-feed: Miracle-Gro Organic Outdoor Potting Mix
- Best for gnat-resistant indoor: Miracle-Gro Houseplant Potting Mix: Fertilized
- Best for moisture-control formula: Miracle-Gro Moisture Control Potting Mix
- Best for vibrant growth mix: Miracle-Gro Potting Mix
- Best for coir-rich indoor: Miracle-Gro Indoor Potting Mix
- Best for bulk organic mix: Miracle-Gro Organic Outdoor Potting Mix
- Best for rapid root starter: Miracle-Gro Seed Starting Potting Mix
- Best for all-season power: Miracle-Gro 2 Pack Potting Soil Mix for Container Plants
Product Comparison: Best Home Depot Miracle Grow 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 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 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 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 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 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)
Miracle-Gro Seed Starting Potting Mix, 8 Quarts (Pack of 2), For Use in Containers
- Specially formulated for fast root development
- Enriched with Miracle-Gro Plant Food
- Excellent for starting cuttings
- Use when starting from seed and with leaf, stem or root cuttings
- This bundle includes two 8 qt. bags of Miracle-Gro Seed Starting Potting Mix
Miracle-Gro 2 Pack Potting Soil Mix for Container Plants, Flowers, Vegetables, Shrubs, Annuals, and Perennials, Feeds for Up to 6 Months, 2 Cu Ft
- BIGGER PLANTS: Watch your container plants flourish with this potting soil that feed for up to 6 months to grow plants twice as big versus unfed plants
- VIBRANT COLORS: Get ready for a spectacular show of more blooms for more color versus unfed plants transforming your containers into dazzling displays
- WHERE TO USE: Perfect for all indoor or outdoor grown containers plants, including flowers, vegetables, herbs, and houseplants
- HOW TO USE: Pick a pot with drainage, fill it 1/3 full with this ready-to-use container mix, add your plant and fill in with more soil, then water; it’s that easy to create beautiful container gardens
- COVERAGE: Each 2 cu. ft. bag of Miracle-Gro Potting Mix fills two 14-inch containers (actual amount may vary depending 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 should I consider when choosing a Miracle‑Gro potting mix for my garden?
First, decide whether you need an indoor, outdoor, or all‑purpose mix, as each formulation is tuned for different environments. Look at the fertilizer duration—some blends feed for up to six months, while organic options typically last two months. Also check water‑retention features like AquaCoir or coconut coir if you tend to over‑ or under‑water.
How does the regular Potting Mix differ from the Organic Outdoor Potting Mix?
The regular Potting Mix contains a synthetic, quick‑release fertilizer that feeds plants for up to six months and promotes larger growth. The Organic Outdoor Mix uses a natural fertilizer and responsibly sourced peat, feeding for about two months and appealing to gardeners who prefer an eco‑friendly formula. Both work for flowers and vegetables, but the organic version is certified peat‑sourced.
Is the Moisture Control Potting Mix worth the extra cost for water‑savvy gardeners?
Moisture Control includes an AquaCoir formula that absorbs up to 33 % more water than standard soil, helping prevent both over‑ and under‑watering. It also feeds for six months, matching the growth benefits of the regular mix. If you live in a dry climate or want less frequent watering, the added price can translate into healthier plants and water savings.
Which mix is best for indoor houseplants and why?
The Houseplant Potting Mix and the Indoor Potting Mix are both designed for indoor use, but the Houseplant version emphasizes a perlite‑rich blend that reduces fungus gnat risk. The Indoor mix adds coconut coir for better moisture balance and also feeds for six months. Choose the Houseplant mix if you have a history of gnats, otherwise the Indoor mix offers broader plant compatibility.
Can I use the Seed Starting Potting Mix for regular container planting?
Seed Starting Mix is formulated for rapid root development and includes extra plant food, making it ideal for seedlings and cuttings. While it will work for mature plants, it’s more expensive per volume than all‑purpose mixes and may be over‑nutrient for established roots. Reserve it for the early stages of growth and switch to a standard or organic mix once seedlings are established.
How do the bag sizes affect coverage and value across the different products?
Smaller bags (4 qt) like the Houseplant Mix fill an 8‑inch pot, while larger 16 qt bags can fill a 12‑inch container, offering better value per plant for bigger projects. The 2‑pack 8 qt bundles provide a convenient bulk option for multiple containers. Compare the number of containers each bag can fill and the feeding duration to determine the most cost‑effective choice for your garden size.
What are the key benefits of choosing a product with a built‑in fertilizer versus adding separate plant food?
A built‑in fertilizer ensures nutrients are evenly distributed throughout the soil, reducing the risk of over‑ or under‑feeding. It also simplifies planting—no extra steps are needed after potting. Separate plant food can give you more control over nutrient timing, but it adds cost and requires additional application.