Comparison: Best Miracle Gro Performance Potting Soil (Updated | Nov 11th)

We put Miracle-Gro Performance Organics Potting Mix to the test—because let’s face it, not all potting soils deliver on their promises. From lush leafy greens to vibrant blooms, we’re diving into real results, ingredient quality, and how it stacks up against other top contenders. Spoiler: it’s not just hype. Find out if this popular pick truly earns its “miracle” status in our honest, side-by-side showdown.

Editor’s Choice

Best for a specific purpose

Product Comparison: Best Miracle Gro Performance Potting Soil

Organic Bounty Boost

Miracle-Gro Performance Organics All Purpose Container Mix with Natural and Organic Ingredients, Feeds Container Grown Vegetables, Flowers and Herbs for up to 3 Months, 1 cu. ft.

Miracle-Gro Performance Organics All Purpose Container Mix with Natural and Organic Ingredients, Feeds Container Grown Vegetables, Flowers and Herbs for up to 3 Months, 1 cu. ft.

Miracle-Gro
  • Organic Goodness: Grow vibrant flowers, herbs, and veggies with Miracle-Gro Performance Organics All Purpose Container Mix made with organic and natural ingredients, like aged compost, for the spectacular results you expect
  • Bountiful Harvests: Get twice the bounty versus unfed plants for more container-grown vegetables, flowers, and herbs
  • How to Use: Perfect for all your indoor and outdoor container gardening, simply fill your favorite pots with this potting soil and watch your flowers, vegetables, and herbs thrive
  • Nourish: This premium organic container soil provides continuous plant nutrition for up to 3 months, helping your potted plants flourish
  • Trusted Results: Grow confidently with this OMRI Listed container mix that gives you the Miracle-Gro results you love with the organic and natural ingredients you want

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Six-Month Feed

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, For Container Plants, Flowers, Vegetables, Annuals, Perennials, Shrubs, Feeds for up to 6 Months, 16. qt., 2-Pack

Miracle-Gro
  • 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)

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Eco Outdoor Mix

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, 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)

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Moisture Master Mix

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, For Container Plants, Protects against Over- and Under-Watering, 8 qt., 2-Pack

Miracle-Gro
  • 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)

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Organic All-Purpose

Miracle-Gro Performance Organics All Purpose Container Mix, 16 qt. – Organic, All Natural Plant Soil – Feed for up to 3 Months – All-Purpose Formula for Vegetables, Flowers and Herbs

Miracle-Gro Performance Organics All Purpose Container Mix, 16 qt. - Organic, All Natural Plant Soil - Feed for up to 3 Months - All-Purpose Formula for Vegetables, Flowers and Herbs

Miracle-Gro
  • Organic container mix feeds your indoor and outdoor container plants all season (up to 3 months)
  • Miracle-Gro Performance Organics All Purpose Container Mix delivers twice the bounty – more vegetables, flowers and herbs – with organic and natural ingredients (vs unfed plants) Screen reader support enabled.
  • An all purpose formula give indoor and outdoor container plants a great boost Screen reader support enabled.
  • Blended with aged compost
  • Enjoy Miracle-Gro results with organic and natural ingredients; OMRI Listed for organic use

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Gnat-Resistant Indoor

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, Blended for a Variety of Houseplants, Feeds for up to 6 Months, 16 qt., 2-Pack

Miracle-Gro
  • 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)

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Perlite Power Mix

Miracle-Gro Houseplant Potting Mix: Fertilized, Perlite Soil for Indoor Gardening, Designed to Be Less Prone to Gnats, 4 qt.

Miracle-Gro Houseplant Potting Mix: Fertilized, Perlite Soil for Indoor Gardening, Designed to Be Less Prone to Gnats, 4 qt.

Miracle-Gro
  • 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

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Balanced Water Indoor

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 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)

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Bulk Outdoor Boost

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, 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)

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Bundle Outdoor Mix

Miracle-Gro Organic Outdoor Potting Mix, for Outdoor Container Plants, Contains Quick-Release Natural Fertilizer, OMRI Listed, 16 qt., 2-Pack

Miracle-Gro Organic Outdoor Potting Mix, for Outdoor Container Plants, Contains Quick-Release Natural Fertilizer, OMRI Listed, 16 qt., 2-Pack

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
  • This bundle includes two 16 qt. bags of Miracle-Gro Organic Outdoor Potting Mix; each fills one 12-inch container (amounts may vary based on the size of the root ball)

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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

Buying Guide: Best Miracle Gro Performance Potting Soil

Nutrient Release & Feeding Duration

  • Performance Organics mix feeds for up to 3 months, delivering twice the bounty
  • Standard Potting Mix provides up to 6 months of feeding
  • Moisture Control mix also feeds for up to 6 months while managing water
  • Organic Outdoor mix feeds for up to 2 months with quick‑release fertilizer

Organic Content & Certifications

  • Performance Organics and Organic Indoor mixes are OMRI‑listed for organic use
  • Organic Outdoor mixes use 100 % responsibly sourced peat
  • Indoor Organic mix includes sphagnum peat, coir, and natural fertilizer
  • Non‑organic options rely on synthetic fertilizers for faster growth

Water Management & Moisture Retention

  • Moisture Control mix contains AquaCoir formula that absorbs 33 % more water
  • Indoor mix uses coconut coir for steady water release and reduced gnats
  • Organic Indoor mix protects against over‑ and under‑watering with balanced peat‑coir blend
  • Standard Potting Mix lacks specialized moisture technology

Container Size & Coverage

  • 16 qt. Performance Organics bag fills one 12‑inch pot; two bags cover two pots
  • Moisture Control bundle includes two 8 qt. bags, each filling two 8‑inch containers
  • Organic Outdoor 25 qt. bag fills three 10‑inch containers
  • Standard Potting Mix bundle of two 16 qt. bags fills two 12‑inch containers

Plant Types & Application

  • All mixes suitable for vegetables, herbs, flowers, and annuals
  • Indoor mixes optimized for houseplants and seed starting
  • Outdoor mixes designed for garden containers and perennials
  • Moisture Control mix works well with shrubs and larger container plants

FAQs

What should I consider when choosing a Miracle‑Gro potting mix for container gardening?

First, decide if you prefer an organic formula or a conventional blend, as organics use aged compost and natural fertilizers while conventional mixes rely on synthetic nutrients. Next, look at the feeding duration—some mixes feed for up to 6 months, whereas organics typically last 2–3 months. Finally, consider water‑management features like moisture‑control coir or AquaCoir if you tend to over‑ or under‑water your plants.

How does the Performance Organics All Purpose Container Mix differ from the standard Potting Mix?

Performance Organics is OMRI‑listed and contains organic ingredients such as aged compost, delivering twice the harvest compared to unfed plants with a 3‑month feeding window. The standard Potting Mix uses a synthetic fertilizer that lasts up to 6 months but isn’t certified organic. Both promise larger plants, but the organic mix appeals to growers seeking natural inputs.

Which mix is best for outdoor container plants that need quick nutrient release?

The Miracle‑Gro Organic Outdoor Potting Mix includes a quick‑release natural fertilizer that feeds plants for about 2 months, making it ideal for fast‑growing vegetables and annuals. Its responsibly sourced peat provides good aeration for outdoor conditions. If you need a longer feeding period, the regular Outdoor Potting Mix bundle offers two 16‑qt bags for extended use.

Is the Moisture Control Potting Mix worth the extra cost for indoor growers?

Moisture Control uses an AquaCoir formula that absorbs up to 33 % more water than basic mixes, helping prevent both over‑ and under‑watering—a common issue with houseplants. It also feeds plants for up to 6 months, matching the longevity of the standard indoor mix. The added water‑management benefits can reduce watering frequency, which many indoor gardeners find valuable.

What are the advantages of the Indoor Potting Mix over the Houseplant Potting Mix?

The Indoor Potting Mix contains coconut coir, which holds water and releases it slowly, and it’s formulated to be less attractive to fungus gnats by omitting compost and bark. The Houseplant Mix, while also perlite‑based, includes sphagnum peat and is certified by the Mulch & Soil Council for quality. Both support a wide range of houseplants, but the Indoor Mix may be better for growers battling gnats.

How do the organic indoor and outdoor mixes compare in terms of peat sourcing and fertilizer type?

Both organic mixes use 100 % responsibly sourced peat from certified producers, ensuring sustainable harvesting. The indoor version adds coir and a quick‑start natural fertilizer, while the outdoor version relies solely on peat and a natural fertilizer that feeds for up to 2 months. Their formulations are tailored to the moisture needs of indoor versus outdoor environments.

Can I use the same potting mix for both seedlings and mature plants?

Yes, many Miracle‑Gro mixes are versatile enough for seed starting and transplants, but organic mixes with quick‑release fertilizers are especially beneficial for seedlings needing an early nutrient boost. For mature plants, a longer‑lasting feed like the 6‑month conventional mixes may reduce the need for supplemental fertilizing. Always follow the specific planting instructions on the bag for optimal results.

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