Comparison: Best Whitney Farms Organic Potting Soil (Updated | Nov 11th)
We’ve dug into the details, tested different batches, and compared ingredients, value, and performance to help you choose the right mix. Whether you’re growing herbs on a windowsill or tomatoes in a raised bed, let’s find the potting soil that gives your plants the healthy start they deserve.
- Best for kelp‑rich blend: Whitney Farms Organic Potting Soil
- Best for peat‑certified outdoor: Miracle-Gro Organic Outdoor Potting Mix
- Best for peat‑free eco: Back to the Roots 100% Organic Potting Mix (Value 12 Quart) | Premium Blend | Made in The USA
- Best for ocean‑forest blend: FoxFarm Ocean Forest Potting Soil
- Best for microbe‑boosted soil: FoxFarm Happy Frog Potting Soil
- Best for water‑balance indoor: Miracle-Gro Organic Indoor Potting Mix
- Best for worm‑castings power: Brut Organic Potting Soil – 1CF
- Best for mycorrhizae‑rich mix: Espoma Organic Potting Soil Mix – All Natural Potting Mix For All Indoor & Outdoor Containers Including Herbs & Vegetables. For Organic Gardening
- Best for mega microbe boost: FoxFarm Happy Frog Potting Soil
Product Comparison: Best Whitney Farms Organic Potting Soil
Whitney Farms Organic Potting Soil, 8 Dry qt.
- 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
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)
Back to the Roots 100% Organic Potting Mix (Value 12 Quart) | Premium Blend | Made in The USA
- 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.
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))
- 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
FoxFarm Happy Frog Potting Soil, 12qt – for Indoor/Outdoor Container Plants, Improves Root Efficiency, pH Adjusted for Optimal Nutrient Uptake – Contains Microbes and Humic Acids
- TOP-TIER SOIL FOR BOUNTIFUL GROWTH: FoxFarm organic potting soil for indoor plants is a blend that boosts both indoor and outdoor gardening. Our planting soil enhances root development and plant health, making it a top choice for flourishing growth
- MICROBE-INFUSED SOIL FOR SUPER ROOTS: Enriched with soil microbes, mycorrhizal fungi, and humic acids, this indoor potting soil for house plants promotes efficient nutrient uptake and boosts root growth by improving root systems and plant vitality
- ESSENTIAL NUTRIENTS FOR THRIVING PLANTS: The garden soil for outdoor plants contains bat guano, earthworm castings, and aged forest products, all essential for enhanced nutrient levels, soil structure, and soil vital organic matter for healthy plants
- OPTIMAL SOIL FOR LUSH CONTAINER BLOOM: Ideal for container gardens, fox farms happy frog potting soil for vegetables’ balanced texture and content is suitable for a wide range of plants including flowers, vegetables, shrubs, and houseplants
- READY-TO-USE CONVENIENT SOIL: Simply fill your container with garden fertilizer houseplant potting soil indoor plants, leaving 1 inch below the rim. Water thoroughly after planting. For best results, supplement growth all the seasons with Fox Farm fertilizers
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 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)
Brut Organic Potting Soil – 1CF, Premium Plant Soil with Organic Worm Castings, Trace Minerals & Perlite – Chemical-Free, Filler-Free – Ideal Potting Mix for Indoor & Outdoor Plants – 1pck
- NATURAL, ORGANIC INGREDIENTS: Made of 100% organic ingredients, this organic potting soil is free from synthetic fertilizers and chemicals. This planting soil gives your plants everything they need. Perfect for soil for indoor plants and outdoor potting soil.
- MICROBE-RICH SOIL: Packed with microbe-rich worm castings and trace minerals like Azomite and kelp, this organic soil feeds plants directly from the root level. Whether you’re growing vegetables, herbs, or flowers, Brut provides the nutrients they need.
- FOR ALL TYPES OF GARDENS: Brut Potting Soil is versatile, perfect as indoor plant soil. It works great for annuals, perennials, & herb plants. This all-purpose potting soil mix makes gardening easy for all plant types from indoor plants to outdoor gardens.
- PURE, FILLER-FREE: Say goodbye to the worry of unknown ingredients. It is pure and filler-free, with no sticks, wood chips, or artificial additives. Brut Organic Potting mix is naturally pH balanced between 6.3 and 6.5, making it perfect for most plants.
- CERTIFIED ORGANIC: Our Potting Soil is OMRI listed, representing true organic excellence and bringing the power of nature’s nutrients. Eco sustainable resorce for your gardening enjoyment!
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
- 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.
FoxFarm Happy Frog Potting Soil, 2cu ft – for Indoor/Outdoor Container Plants, Improves Root Efficiency, pH Adjusted for Optimal Nutrient Uptake – Contains Mycorrhizae and Humic Acids
- You will receive (1) 2-cubic foot bag of potting soil per purchase.
- Amended with soil microbes that improve root efficiency and convert nutrients into a form that plants can utilize, enhancing fruit and flower production.
- Designed for container plants, indoor or outdoor. Whether you need a boost in your fruits, vegetables, flowers, or houseplants – Happy Frog will jump-start your containers!
- This unique mix is alive with beneficial soil microbes and mycorrhizal fungi that dramatically expands root development.
- A blend of 50-60% aged forest products, sphagnum peat moss, perlite, and fertilizer. Derived from earthworm castings, oyster shell and dolomite lime.
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 key ingredients should I look for in an organic potting soil?
Check for natural fertilizers like kelp, alfalfa meal, or worm castings, which provide steady nutrients. Look for moisture‑retaining components such as peat moss, coir, or sphagnum that keep roots hydrated. Microbial inoculants, mycorrhizal fungi, and beneficial bacteria can boost root health and nutrient uptake.
How does Whitney Farms Organic Potting Soil compare to Miracle‑Gro’s organic mixes?
Whitney Farms offers a premium blend with kelp and alfalfa meal and feeds plants for up to two months, while Miracle‑Gro focuses on quick‑release natural fertilizer and responsibly sourced peat. Both provide two‑month feeding windows, but Whitney Farms emphasizes a richer organic material mix, whereas Miracle‑Gro highlights peat certification and outdoor‑specific use.
Is a peat‑free option like Back to the Roots worth the extra cost?
Back to the Roots uses upcycled plant matter and wood fines, eliminating imported peat and reducing carbon footprint. Its formula includes yucca extract for moisture control and dolomitic limestone for pH balance, offering comparable performance to peat‑based soils. If sustainability is a priority, the modest price premium can be justified.
Which potting soil provides the best value for large container gardens?
FoxFarm Ocean Forest and Miracle‑Gro Outdoor both come in 12‑16 qt bags and are formulated for vigorous growth, but Ocean Forest includes bat guano, fish emulsion, and earthworm castings, delivering a higher nutrient density. Miracle‑Gro’s outdoor mix is slightly cheaper per quart and includes a quick‑release fertilizer, making it a cost‑effective choice for volume planting.
Do I need to add extra fertilizer to these organic soils?
Most of the listed soils contain enough nutrients to sustain plants for about two months, after which a supplemental organic fertilizer can boost continued growth. Whitney Farms recommends using its own plant‑food line after the initial period, while FoxFarm soils pair well with their liquid fertilizers for extended feeding. If you prefer a hands‑off approach, choose a blend with a longer nutrient release.
How important is pH balance in a potting mix, and which products address it?
A neutral to slightly acidic pH (around 6.0‑6.5) optimizes nutrient availability for most container plants. Back to the Roots adds dolomitic limestone for pH buffering, and FoxFarm Happy Frog includes dolomite lime and oyster shell to maintain stable acidity. Products that explicitly list pH‑adjusting ingredients tend to give more consistent results.
What should I consider when choosing between indoor and outdoor potting soils?
Indoor mixes, like Miracle‑Gro Indoor and Espoma, focus on water‑retention control to prevent over‑watering and often contain lighter textures for better aeration. Outdoor blends, such as FoxFarm Ocean Forest and Miracle‑Gro Outdoor, prioritize durability, nutrient density, and resistance to weather fluctuations. Match the soil’s formulation to the plant’s environment for optimal health.