Comparison: Best Miracle Gro Organic In Ground Soil (Updated | Nov 11th)

If you’re looking to give your garden the natural boost it deserves, you’ve probably heard of Miracle-Gro’s organic in-ground soils—but which one’s truly the best? Whether you’re growing veggies, flowers, or herbs, choosing the right soil makes all the difference. Let’s break down what sets these top contenders apart and help you pick the perfect fit for your green space.

Product Comparison: Best Miracle Gro Organic In Ground Soil

Peat-Free Raised

Miracle-Gro Organic Raised Bed & Garden Soil with Quick Release Natural Fertilizer, Peat Free, 1 cu. ft., 2-Pack

Miracle-Gro Organic Raised Bed & Garden Soil with Quick Release Natural Fertilizer, Peat Free, 1 cu. ft., 2-Pack

Miracle-Gro
  • Miracle-Gro Organic Raised Bed & Garden Soil is a soil blend with quick release natural fertilizer
  • Feeds plants for up to 2 months
  • This organic soil blend is peat free and formulated with upcycled green waste
  • Successful Organic Gardening Made Attainable
  • This bundle includes two 1 cu. Ft. bags of Miracle-Gro Organic Raised Bed & Garden Soil

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Certified Peat Potting

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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Harvest Boost Duo

Miracle-Gro 2 Pack Performance Organics All Purpose In-Ground Garden Soil with Organic and Natural Ingredients, Feeds Vegetables, Flowers and Herbs for Up to 3 Months, 1.3 cu. ft.

Miracle-Gro 2 Pack Performance Organics All Purpose In-Ground Garden Soil with Organic and Natural Ingredients, Feeds Vegetables, Flowers and Herbs for Up to 3 Months, 1.3 cu. ft.

Miracle-Gro
  • Bigger Harvests: Grow up to 2X more bounty vs unfed plants for more vegetables, flowers and herbs, guaranteed
  • Where To Use: Enjoy more vegetables, flowers and herbs when you use this all-purpose organic soil to enhance your garden beds and in-ground plantings
  • Nutrition: Feeds your plants for up to 3 months, giving them the organic nutrition they need to flourish all season long
  • How To Use: Amend garden beds by mixing a 3 inch layer of this all-purpose soil into the top 6 inches of native soil before planting
  • Omri Listed: Enjoy the Miracle-Gro results you expect using organic and natural ingredients, including aged compost; OMRI Listed for organic use

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Triple Harvest Boost

Miracle-Gro 3 Pack Performance Organics All Purpose In-Ground Garden Soil with Organic and Natural Ingredients, Feeds Vegetables, Flowers and Herbs for Up to 3 Months, 1.3 cu. ft.

Miracle-Gro 3 Pack Performance Organics All Purpose In-Ground Garden Soil with Organic and Natural Ingredients, Feeds Vegetables, Flowers and Herbs for Up to 3 Months, 1.3 cu. ft.

Miracle-Gro
  • Bigger Harvests: Grow up to 2X more bounty vs unfed plants for more vegetables, flowers and herbs, guaranteed
  • Where To Use: Enjoy more vegetables, flowers and herbs when you use this all-purpose organic soil to enhance your garden beds and in-ground plantings
  • Nutrition: Feeds your plants for up to 3 months, giving them the organic nutrition they need to flourish all season long
  • How To Use: Amend garden beds by mixing a 3 inch layer of this all-purpose soil into the top 6 inches of native soil before planting
  • Omri Listed: Enjoy the Miracle-Gro results you expect using organic and natural ingredients, including aged compost; OMRI Listed for organic use

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Container Bounty Mix

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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Dual Outdoor Potting

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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Water‑Smart 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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Granular Growth Food

Miracle-Gro Organic All Purpose Plant Food, for Outdoor Container and In-Ground Plants, Feeds for up to 3 Months, OMRI Listed, 3 lb. (2-Pack)

Miracle-Gro Organic All Purpose Plant Food, for Outdoor Container and In-Ground Plants, Feeds for up to 3 Months, OMRI Listed, 3 lb. (2-Pack)

Miracle-Gro
  • Miracle-Gro Organic All Purpose Plant Food grows healthier, more resilient plants (vs unfed plants, when used as directed)
  • Use these plant food granules with most outdoor plants: in-ground or container plants, vegetables, flowers, annuals, and perennials
  • This granular plant food feeds plants for up to 3 months and provides vibrant results in as little as 1 week (vs unfed potted plants)
  • To apply, simply shake granules evenly on the soil, mix into the top 1-3 inches of soil in gardens or throughout the soil for potted plants, and water to start feeding
  • This bundle includes two 3 lb. bags of Miracle-Gro Organic All Purpose Plant Food

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Indoor Mix Duo

Miracle-Gro Organic Indoor Potting Mix, Protects Against Over and Under Watering, for Indoor Container Plants, Houseplants and Starter Plants, OMRI Listed, 16 qt., 2-Pack

Miracle-Gro Organic Indoor Potting Mix, Protects Against Over and Under Watering, for Indoor Container Plants, Houseplants and Starter Plants, OMRI Listed, 16 qt., 2-Pack

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

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Big Outdoor Potting

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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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 Organic In Ground Soil

Soil Composition & Ingredients

  • Miracle‑Gro Organic Raised Bed Soil is peat‑free and uses upcycled green waste
  • Performance Organics All‑Purpose Soil contains aged compost and natural organic matter
  • Both formulas are OMRI listed for organic gardening
  • The mixes include a blend of organic fibers, minerals, and beneficial microbes
  • Formulated to improve soil structure and drainage for in‑ground beds

Nutrient Release & Feeding Duration

  • Quick‑release natural fertilizer feeds plants for up to 2 months in raised‑bed blends
  • Performance Organics soils provide continuous nutrition for up to 3 months
  • Higher nutrient density is claimed to double harvest yields versus unfed plants
  • Organic nutrients are slowly broken down, supporting steady growth throughout the season

Application & Bed Preparation

  • Amend garden beds by mixing a 3‑inch layer into the top 6 inches of native soil
  • Suitable for raised beds, traditional in‑ground rows, and vegetable plots
  • Mix thoroughly and water after incorporation to activate nutrients
  • Works well with both new planting and soil refresh for existing beds

Packaging Sizes & Value

  • Raised Bed Soil sold as a 2‑pack of 1 cu ft bags – ideal for small projects
  • Performance Organics offered in 2‑pack and 3‑pack options for larger gardens
  • Larger packs reduce per‑cubic‑foot cost and minimize packaging waste
  • Choose 2‑pack for moderate beds, 3‑pack for extensive in‑ground planting
  • All bags are resealable for easy storage and future use

Certification & Environmental Considerations

  • Both product lines are OMRI listed, confirming compliance with organic standards
  • Raised Bed Soil is peat‑free, using recycled green waste to lower environmental impact
  • Outdoor potting mixes use responsibly sourced peat certified by producers
  • Upcycled ingredients help divert waste from landfills while enriching soil

FAQs

How do I choose between Miracle‑Gro Organic Raised Bed & Garden Soil and the Performance Organics All‑Purpose In‑Ground Soil?

Raised Bed & Garden Soil is a peat‑free blend formulated for raised beds and garden rows, while the Performance Organics All‑Purpose Soil is designed for any in‑ground planting and contains aged compost for a richer organic base. If you need a soil that mixes easily with native garden soil and feeds for up to three months, the All‑Purpose mix is a better all‑round choice. For raised‑bed projects that prioritize sustainability and a quick‑release fertilizer, the Raised Bed blend is ideal.

What are the key differences between the 2‑Pack and 3‑Pack Performance Organics All‑Purpose Soil bundles?

Both packs use the same OMRI‑listed organic formula that feeds plants for up to three months, but the 2‑Pack provides 2 cu ft. of soil while the 3‑Pack offers 3 cu ft., giving you more volume for larger gardens at a slightly lower per‑unit cost. The larger bundle is more economical if you have extensive planting beds, whereas the 2‑Pack is convenient for smaller projects or for testing the product first.

Which Miracle‑Gro product should I use for outdoor container gardening versus indoor houseplants?

For outdoor containers, the Organic Outdoor Potting Mix is formulated with responsibly sourced peat and a quick‑release natural fertilizer that lasts about two months, making it perfect for seasonal planting. Indoor plants benefit from the Organic Indoor Potting Mix, which includes coir and sphagnum peat moss to help regulate moisture and protect against over‑ or under‑watering, also providing up to two months of nutrition.

Do the quick‑release natural fertilizers in the potting mixes differ from those in the all‑purpose soils?

The potting mixes (both outdoor and indoor) contain a quick‑release natural fertilizer that feeds for roughly two months, optimized for container environments where nutrients can leach faster. The all‑purpose in‑ground soils have a slightly longer feeding window of up to three months, using a blend of aged compost and organic nutrients suited for larger soil volumes.

How does the feeding duration compare across the various Miracle‑Gro organic products?

The Organic Raised Bed & Garden Soil, Outdoor Potting Mix, and Indoor Potting Mix all provide about two months of nutrition. The Performance Organics All‑Purpose In‑Ground Soil (both 2‑Pack and 3‑Pack) extends feeding to up to three months, while the All‑Purpose Plant Food granules also deliver three months of nutrition when applied as directed.

Is it more cost‑effective to purchase bundled packs (e.g., two 16 qt. bags) rather than single bags?

Bundled packs typically lower the price per cubic foot or per pound of soil because the packaging and shipping costs are spread across multiple units. If you have several containers or a larger garden, buying the bundles saves money and reduces the number of trips to restock, whereas single bags are convenient for one‑off projects or limited storage space.

Are all these Miracle‑Gro organic soils OMRI listed and suitable for certified organic gardening?

Yes, every product listed—including the Raised Bed Soil, Outdoor and Indoor Potting Mixes, Performance Organics All‑Purpose Soil, and the All‑Purpose Plant Food—is OMRI listed, meaning they meet the standards for organic use. This certification ensures the ingredients are natural and permissible for growers who maintain organic certification.

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