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

If you’re on the hunt for the **best Whitney potting soil**, you’re not alone—gardeners everywhere are discovering how the right mix can make all the difference. But which one truly stands out? We’ve dug into the details, tested the textures, and compared ingredients to help you choose the perfect blend.

Editor’s Choice

Product Comparison: Best Whitney Potting Soil

Organic Premium Blend

Whitney Farms Organic Potting Soil, 8 Dry qt.

Whitney Farms Organic Potting Soil, 8 Dry qt.

Whitney Farms
  • Whitney Farms Organic Potting Soil is a rich premium blend of organic materials and natural fertilizer that allows you to grow beautiful and bountiful container gardens – naturally
  • Soil is formulated with organic materials plants love like kelp and alfalfa meal
  • Feeds plants for up to 2 months
  • Great for your favorite indoor and outdoor container plants, including vegetables, fruits, flowers, and herbs
  • For best results, give your plants a boost with one of our Whitney Farms plant food products after 2 months

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Quick-Release Fertilizer

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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Peat-Free Blend

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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Gnats-Resistant 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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Extended Moisture Control

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 Indoor Guard

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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Six-Month Bloom

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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Outdoor Bulk Mix

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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Fast Seed Start

Miracle-Gro Seed Starting Potting Mix, 8 Quarts (Pack of 2), For Use in Containers

Miracle-Gro Seed Starting Potting Mix, 8 Quarts (Pack of 2), For Use in Containers

Miracle-Gro
  • 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

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Moisture Retaining Mix

Michigan Peat 20 Pound Bag of Garden Magic General Purpose Moisture Retaining Potting Soil Mix for Indoor and Outdoor Planting

Michigan Peat 20 Pound Bag of Garden Magic General Purpose Moisture Retaining Potting Soil Mix for Indoor and Outdoor Planting

Garden Magic
  • Garden magic potting soil
  • A general purpose mix that is ready to use out of the bag for indoor and outdoor planting
  • Features a dark blend of reed sedge peat and other materials
  • Retains sufficient moisture to sustain active plant growth during moderately dry periods

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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 Whitney Potting Soil

Soil Composition

  • Look for organic blends that include kelp, alfalfa meal, or peat alternatives
  • Check for added amendments like perlite or coir for aeration
  • Avoid mixes with excessive synthetic additives if you prefer natural soils

Nutrient Content & Feeding Schedule

  • Choose soils that provide a built‑in fertilizer lasting 2‑6 months
  • Verify the presence of slow‑release nutrients for steady growth
  • Consider mixes that pair well with supplemental plant foods

Moisture Management

  • Select formulas that balance water retention and drainage to prevent root rot
  • Products with moisture‑control additives (e.g., AquaCoir, peat‑free blends) reduce over‑watering risk
  • Read user feedback on how quickly the mix dries out in typical indoor conditions

Environmental Impact

  • Prefer peat‑free or responsibly sourced peat mixes to lower carbon footprint
  • Look for certifications indicating sustainable sourcing or organic status
  • Check if the brand supports recycling or donation programs

Versatility & Plant Types

  • Ensure the mix is suitable for both indoor houseplants and outdoor containers
  • Confirm compatibility with vegetables, herbs, flowers, and woody shrubs
  • Review recommended container sizes to match the soil’s volume and density

FAQs

What makes Whitney Farms Organic Potting Soil different from other organic mixes?

Whitney Farms blends organic kelp and alfalfa meal, providing a natural fertilizer that feeds plants for up to two months. Unlike many mixes that rely heavily on peat, it emphasizes organic amendments, which can improve soil structure and nutrient availability for both indoor and outdoor containers.

How does the feeding duration of Whitney Farms compare to Miracle‑Gro’s organic mixes?

Both Whitney Farms and Miracle‑Gro Organic Outdoor mixes claim a two‑month feeding window from their built‑in fertilizers. However, Whitney Farms highlights its kelp and alfalfa sources, while Miracle‑Gro emphasizes a quick‑release natural fertilizer derived from peat and coir.

Is the Whitney Farms soil suitable for seed starting or just mature plants?

Whitney Farms is formulated for established container plants, offering a balanced organic blend that supports steady growth. For seed starting, a finer, sterile mix like Miracle‑Gro Seed Starting Potting Mix may give quicker germination, but you can still use Whitney Farms if you prefer an all‑organic approach.

How does the moisture retention of Whitney Farms compare to moisture‑control blends?

Whitney Farms provides good drainage thanks to its organic components, but it does not contain the AquaCoir technology found in Miracle‑Gro Moisture Control Mix, which can hold up to 33% more water. If over‑ or under‑watering is a concern, the moisture‑control blend may offer more forgiveness.

What environmental considerations should I keep in mind when choosing between Whitney Farms and peat‑free options?

Whitney Farms uses organic materials like kelp and alfalfa, which have a lower carbon footprint than peat‑based mixes. Products such as Back to the Roots offer a peat‑free formula made from upcycled plant matter, appealing to gardeners seeking the most sustainable option.

Which product gives the best value per container size?

Whitney Farms comes in an 8‑quart bag, enough to fill several small pots, while Miracle‑Gro’s 16‑quart Outdoor Mix can fill a 12‑inch container. If you need larger volumes, the two‑bag bundles of Miracle‑Gro Moisture Control (2 × 8 qt) may provide more soil for the price, but Whitney Farms offers a premium organic blend in a smaller, more affordable package.

Can I use Whitney Farms soil for both indoor and outdoor plants?

Yes, the formulation is versatile enough for herbs, vegetables, fruits, flowers, and other container plants both inside and out. Just ensure proper drainage for indoor pots and consider adding a layer of mulch outdoors for extra moisture control.

Do any of these mixes include added nutrients that I need to supplement later?

Whitney Farms, Miracle‑Gro Organic Outdoor, and Miracle‑Gro Organic Indoor all contain built‑in fertilizers that last about two months, after which supplemental feeding is recommended. For longer‑term feeding, Miracle‑Gro Moisture Control claims up to six months of nutrient release, reducing the need for frequent top‑ups.

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