Comparison: Best Harvest Moon Potting Soil (Updated | Nov 11th)

With so many options on the shelf, it’s easy to feel overwhelmed. We’ve dug deep (pun intended) to compare the **best Harvest Moon potting soil**s, evaluating texture, nutrients, moisture control, and real garden results. Whether you’re growing lush tomatoes or delicate herbs, the right blend makes all the difference. Let’s break down which formula truly earns its place in your garden.

Product Comparison: Best Harvest Moon Potting Soil

Organic Outdoor Boost

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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Indoor Gnats Guard

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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All-In-One Nutrient

FoxFarm Ocean Forest Potting Soil, 12qt – Light, Aerated Texture, Designed for All Container Plants – pH Adjusted for Optimal Nutrient Uptake, Effectively Retains Moisture (12 Quart (1 Pack))

FoxFarm Ocean Forest Potting Soil, 12qt – Light, Aerated Texture, Designed for All Container Plants – pH Adjusted for Optimal Nutrient Uptake, Effectively Retains Moisture (12 Quart (1 Pack))

FoxFarm
  • ALL-IN-ONE POTTING SOIL SOLUTION: FoxFarm ocean forest potting soil is a blend designed to give your plants everything they need to thrive. Ideal for container plants, this planting soil provides optimal nutrient and soil aeration
  • MOISTURE-LOCKING NUTRIENT BLEND: This organic potting soil for plant is packed with aged forest products, sphagnum peat moss, earthworm castings, bat guano, and fish emulsion, each ingredient enhances moisture retention and nutrient uptake
  • TOP-NOTCH SOIL FOR EVERY PLANT: From roses and shrubs to seedlings and trees, this garden soil supports vigorous growth and branching. This outdoor & indoor plant soil’s pH-adjusted blend promotes healthy, lush foliage for all plant varieties
  • YOUR GO-TO SOIL FOR ALL MEDIUMS: Our potting soil mix is perfect for container gardens, houseplants, and outdoor setups. Ocean plant versatile blend provides a balanced environment for robust growth, ensuring your plants thrive in any setting
  • CONVENIENT SOIL READY TO USE: This houseplant potting soil is ready to use out of the bag, no additional ingredients are needed. Use for planting or top-dressing, with the optional pairing of FoxFarm liquid fertilizers for enhanced growth all season

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Peat-Free Premium

Back to the Roots 100% Organic Potting Mix (Value 12 Quart) | Premium Blend | Made in The USA

Back to the Roots 100% Organic Potting Mix (Value 12 Quart) | Premium Blend | Made in The USA

Back to the Roots
  • 100% Organic and Peat-Free: Our potting mix is 100% organic and peat-free—made from upcycled plant matter and wood fines from across the U.S. No imported peat, just better soil with a lighter carbon footprint.
  • All-Purpose: Our premium potting mix is versatile and well-suited for herbs, veggies, fruits, and flowers. It caters to all your gardening needs, and is proudly made in the USA.
  • Better Moisture Control and pH Balance: Our premium soil blend incorporates yucca extract for moisture control and dolomitic limestone for pH balancing.
  • 100% Satisfaction Guarantee: Not satisfied? Let us know. Our support team will get you growing with a replacement or refund—no questions asked.
  • GROWONEGIVEONE — Share a photo of your growing garden and we’ll donate a Kids Grow Kit and STEM elementary school curriculum to a classroom of your choice.

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Indoor Root Power

Back to the Roots 100% Organic Indoor Potting Mix (Value 12 Quart) | Promotes Healthy Houseplant Growth| Made in The USA

Back to the Roots 100% Organic Indoor Potting Mix (Value 12 Quart) | Promotes Healthy Houseplant Growth| Made in The USA

Back to the Roots
  • 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

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Recycled Garden Mix

Organic Harvest Potting Mix Soil for Vegetables, Herbs and Flowers, 4 Quart (Packaging May Vary) (1 Bag)

Organic Harvest Potting Mix Soil for Vegetables, Herbs and Flowers, 4 Quart (Packaging May Vary) (1 Bag)

Organic Harvest
  • ALL NATURAL: Made from Organic and Recycled ingredients
  • INGREDIENTS: Contains Peat Moss, Wood Shavings, Composted Green Waste and Perlite
  • CONVENIENCE: No need to remove weeds
  • SAFE: Does not contain human or animal waste

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Moisture Control Max

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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Versatile Growth Soil

FoxFarm Ocean Forest Potting Soil, 12qt – Light, Aerated Texture, Designed for All Container Plants – pH Adjusted for Optimal Nutrient Uptake, Effectively Retains Moisture (12 Quart (2 Pack))

FoxFarm Ocean Forest Potting Soil, 12qt – Light, Aerated Texture, Designed for All Container Plants – pH Adjusted for Optimal Nutrient Uptake, Effectively Retains Moisture (12 Quart (2 Pack))

FoxFarm
  • ALL-IN-ONE POTTING SOIL SOLUTION: FoxFarm ocean forest potting soil is a blend designed to give your plants everything they need to thrive. Ideal for container plants, this planting soil provides optimal nutrient and soil aeration
  • MOISTURE-LOCKING NUTRIENT BLEND: This organic potting soil for plant is packed with aged forest products, sphagnum peat moss, earthworm castings, bat guano, and fish emulsion, each ingredient enhances moisture retention and nutrient uptake
  • TOP-NOTCH SOIL FOR EVERY PLANT: From roses and shrubs to seedlings and trees, this garden soil supports vigorous growth and branching. This outdoor & indoor plant soil’s pH-adjusted blend promotes healthy, lush foliage for all plant varieties
  • YOUR GO-TO SOIL FOR ALL MEDIUMS: Our potting soil mix is perfect for container gardens, houseplants, and outdoor setups. Ocean plant versatile blend provides a balanced environment for robust growth, ensuring your plants thrive in any setting
  • CONVENIENT SOIL READY TO USE: This houseplant potting soil is ready to use out of the bag, no additional ingredients are needed. Use for planting or top-dressing, with the optional pairing of FoxFarm liquid fertilizers for enhanced growth all season

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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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Mycorrhizae Rich

Espoma Organic Potting Soil Mix – All Natural Potting Mix For All Indoor & Outdoor Containers Including Herbs & Vegetables. For Organic Gardening, 2 Cubic Foot bag. Pack of1

Espoma Organic Potting Soil Mix - All Natural Potting Mix For All Indoor & Outdoor Containers Including Herbs & Vegetables. For Organic Gardening, 2 Cubic Foot bag. Pack of1

Espoma
  • FOR USE ON: Not just an indoor potting soil, this can also be used as a potting soil for outdoor plants and is a great soil mix for vegetables, herbs & all other container plants & flowers.
  • CONTAINS: This organic soil for plants & vegetables is a rich blend of sphagnum peat moss, humus & perlite enriched with earthworm castings, alfalfa meal, kelp meal & feather meal
  • MYCO-TONE: A proprietary blend of endo & ecto mycorrhizae.
  • WHEN TO USE: Any time planting containers, whether starting a new plant or transplanting into a larger container. Plants require regular re-potting and fresh planting soil for optimum growth
  • ORGANIC GARDENING: Contains a rich blend of only the finest natural ingredients. No synthetic plant foods or chemicals are used.

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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 Harvest Moon Potting Soil

Organic Ingredients & Sustainability

  • Look for mixes that are 100% organic and peat‑free, such as Back to the Roots’ premium blend, which uses upcycled plant matter
  • Choose products with responsibly sourced peat or certified peat‑free formulas to reduce environmental impact, like Miracle‑Gro Organic Outdoor Mix
  • Consider blends that include natural amendments like bat guano, fish emulsion, or earthworm castings for added organic nutrition
  • Check for certifications or sustainability claims (e.g., Mulch & Soil Council certification for Miracle‑Gro Houseplant Mix)

Nutrient Release & Feeding Duration

  • Select soils that contain built‑in slow‑release fertilizers for continuous feeding, e.g., Miracle‑Gro Organic Outdoor Mix feeds for up to 2 months
  • Products with added nutrient blends (bat guano, fish emulsion) provide a longer feeding window, as seen in FoxFarm Ocean Forest
  • If you prefer to add fertilizer separately, choose a neutral base mix like Back to the Roots Indoor Potting Mix
  • Compare feeding claims: Moisture Control Mix feeds for up to 6 months, while standard Miracle‑Gro Potting Mix also offers a 6‑month feeding period

Moisture Control & Water Retention

  • AquaCoir formula in Miracle‑Gro Moisture Control Mix absorbs up to 33% more water and protects against over‑ and under‑watering
  • Perlite and sphagnum moss blends, such as in Miracle‑Gro Houseplant Mix, improve drainage and reduce gnats
  • Organic blends with yucca extract (Back to the Roots Indoor) help retain moisture while preventing soggy conditions
  • Consider mixes that lock in moisture without retaining excess water, like FoxFarm’s moisture‑locking nutrient blend

Texture, Aeration & Plant Compatibility

  • Light, aerated textures (FoxFarm Ocean Forest) support root growth for a wide range of plants, from seedlings to shrubs
  • Perlite‑rich formulas improve aeration and are ideal for indoor houseplants, as highlighted in Miracle‑Gro Houseplant Mix
  • All‑purpose mixes (Back to the Roots 12‑quart) work well for herbs, vegetables, fruits, and flowers in both indoor and outdoor settings
  • Check container recommendations: 4‑qt bags fit 8‑inch pots, while 12‑qt bags are suited for 12‑inch containers

Packaging Size & Container Fit

  • Match bag volume to pot size: 4‑qt bags typically fill 8‑inch containers, while 12‑qt bags cover 12‑inch pots
  • Some brands offer bundled packs (e.g., two 8‑qt Miracle‑Gro Moisture Control bags) for larger gardening projects
  • Consider bulk options like 16‑qt Miracle‑Gro Potting Mix for filling multiple large containers
  • Evaluate convenience of ready‑to‑use mixes that require no additional amendments, such as FoxFarm Ocean Forest

FAQs

What should I look for when choosing a potting mix for outdoor container plants?

Focus on mixes that provide good drainage, nutrient retention, and a balanced pH for the specific plants you intend to grow. Products like Miracle‑Gro Organic Outdoor Mix and FoxFarm Ocean Forest include organic fertilizers and moisture‑locking ingredients that support vigorous growth. Also consider the bag size relative to the container volume to avoid waste.

How do indoor‑specific mixes differ from outdoor blends?

Indoor mixes, such as Miracle‑Gro Houseplant Potting Mix and Back to the Roots Indoor Mix, prioritize low‑gnat formulations and added perlite for aeration, while outdoor blends often contain heavier organic matter for stronger nutrient release. Indoor soils also tend to include mycorrhizae or yucca extract to boost root health in confined spaces. Choose an indoor mix if you need a lighter texture and pest‑resistant formula.

Are peat‑free options like Back to the Roots worth the extra cost?

Peat‑free mixes use upcycled plant material and wood fines, offering a lower carbon footprint and often better moisture regulation thanks to additives like yucca extract. While they may be slightly pricier per quart, the improved sustainability and reduced risk of peat‑related compaction can translate into healthier plants and fewer re‑plantings. For eco‑conscious gardeners, the trade‑off is usually justified.

Which product provides the longest‑lasting fertilizer feed?

Miracle‑Gro Moisture Control Potting Mix and the standard Miracle‑Gro Potting Mix both claim up to six months of nutrient release, whereas Miracle‑Gro Organic Outdoor Mix feeds for about two months. FoxFarm Ocean Forest includes natural amendments like bat guano and fish emulsion that release nutrients more gradually, but without a specific time claim. If you prefer fewer feedings, the Moisture Control blend is the most extended option.

How does moisture control vary among the top mixes?

Moisture Control uses an AquaCoir formula that absorbs up to 33 % more water than typical peat‑based soils, helping prevent both over‑ and under‑watering. FoxFarm Ocean Forest’s sphagnum peat and perlite blend offers good water retention while staying airy, and Back to the Roots mixes rely on wood fines and yucca extract for balanced moisture. Choose a mix that matches your watering schedule and the climate of your growing area.

Why is pH balance important and which mixes address it?

A stable pH ensures nutrients remain available to plant roots; most vegetables and herbs thrive near neutral pH. Back to the Roots mixes include dolomitic limestone to buffer acidity, while FoxFarm Ocean Forest is pre‑adjusted to a plant‑friendly range. Miracle‑Gro products do not explicitly list pH adjustments, so you may need to test and amend the soil yourself.

What advantage does mycorrhizae in Back to the Roots Indoor Mix provide?

Mycorrhizal fungi form a symbiotic relationship with plant roots, extending their ability to absorb water and nutrients, especially phosphorus. This can lead to stronger, more resilient indoor plants and reduced fertilizer needs over time. The inclusion of mycorrhizae makes the mix especially beneficial for slow‑growing houseplants.

How can I calculate the best value per plant when comparing bag sizes and prices?

First, determine the volume of soil needed for your container (e.g., a 12‑inch pot typically requires about 16 qt). Then divide the bag’s price by the number of containers it can fill to get cost per plant. Larger multi‑bag bundles, like the two‑bag Miracle‑Gro Moisture Control set, often lower the per‑plant cost compared to single‑bag options.

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