Comparison: Best Kelloggs Potting Soil (Updated | Nov 11th)
But with so many options, how do you know which one’s truly worth your time and green thumbs? We’ve dug deep—literally—testing and comparing Kellogg’s top blends to see which delivers lush growth, great drainage, and real results. Spoiler: not all potting soils are created equal. Let’s break down the dirt on Kellogg’s best and help you pick the perfect potting partner for your garden.
- Best for peat-free organic: Back to the Roots 100% Organic Potting Mix (Value 12 Quart) | Premium Blend | Made in The USA
- Best for quick-release fertilizer: Miracle-Gro Organic Outdoor Potting Mix
- Best for moisture control: Miracle-Gro Moisture Control Potting Mix
- Best for six-month feed: Miracle-Gro Potting Mix
- Best for indoor gnat-resistant: Miracle-Gro Houseplant Potting Mix: Fertilized
- Best for microbe-boosted soil: FoxFarm Happy Frog Potting Soil
- Best for moisture-retaining peat: Michigan Peat 20 Pound Bag of Garden Magic General Purpose Moisture Retaining Potting Soil Mix for Indoor and Outdoor Planting
- Best for organic indoor guard: Miracle-Gro Organic Indoor Potting Mix
- Best for all-purpose forest blend: FoxFarm Ocean Forest Potting Soil
- Best for fast seed starter: Miracle-Gro Seed Starting Potting Mix
Product Comparison: Best Kelloggs Potting Soil
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.
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)
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 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)
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 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)
Miracle-Gro Houseplant Potting Mix: Fertilized, Perlite Soil for Indoor Gardening, Designed to Be Less Prone to Gnats, 4 qt.
- 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
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
Michigan Peat 20 Pound Bag of Garden Magic General Purpose Moisture Retaining Potting Soil Mix for Indoor and Outdoor Planting
- 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
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)
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))
- 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
Miracle-Gro Seed Starting Potting Mix, 8 Quarts (Pack of 2), For Use in Containers
- 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
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 should I consider when choosing a potting mix for indoor versus outdoor containers?
Indoor mixes should prioritize aeration and low susceptibility to pests like fungus gnats, while outdoor mixes need stronger water retention and nutrient reserves for harsher conditions. Look for ingredients such as perlite or coir for indoor blends and peat or composted organic matter for outdoor use. Also check if the mix includes a slow‑release fertilizer appropriate for the plant type you plan to grow.
How does an organic blend like Back to the Roots compare to Miracle‑Gro’s synthetic options?
Back to the Roots offers a 100 % organic, peat‑free formula made from upcycled plant material, which appeals to eco‑conscious gardeners and provides a lighter carbon footprint. Miracle‑Gro mixes typically contain quick‑release fertilizers and peat, delivering faster growth but with a higher synthetic input. Choose the organic blend for sustainability and gentle feeding, or Miracle‑Gro if you need rapid results for heavy‑feeding plants.
Which product provides the best moisture‑control features for container gardening?
Miracle‑Gro Moisture Control Potting Mix uses an AquaCoir formula that absorbs up to 33 % more water than standard soils and includes a built‑in wetting agent to prevent both over‑ and under‑watering. Back to the Roots also adds yucca extract for moisture regulation, but its capacity is lower than the AquaCoir system. For the most reliable water management, the Moisture Control blend is the top choice.
Are there cost‑effective bulk options among these potting soils?
The 16‑qt bags of Miracle‑Gro Organic Outdoor and Indoor mixes, as well as the two‑bag 16‑qt bundle of standard Miracle‑Gro Potting Mix, provide a larger volume at a lower per‑quart price. FoxFarm Ocean Forest and Happy Frog are sold in 12‑qt bags, which are slightly smaller but premium‑priced due to their organic amendments. If budget is a priority, the larger Miracle‑Gro bags give the best value per unit of soil.
What are the benefits of microbe‑infused soils like FoxFarm Happy Frog?
Happy Frog contains mycorrhizal fungi, beneficial bacteria, and humic acids that enhance root development and nutrient uptake, leading to healthier, more vigorous plants. These microbes also improve soil structure and help plants tolerate stress such as drought or temperature swings. For gardeners seeking long‑term soil health and organic vigor, a microbe‑rich blend is advantageous.
How important is the source and sustainability of peat in these mixes?
Peat extraction can have significant environmental impacts, so products that use responsibly sourced peat or are peat‑free are preferable for eco‑conscious buyers. Miracle‑Gro Organic mixes state that 100 % of their peat comes from certified producers, while Back to the Roots eliminates peat entirely, using upcycled plant material. Choosing peat‑free or certified peat options reduces your garden’s carbon footprint.
Which potting mix is best for seed starting and cuttings?
Miracle‑Gro Seed Starting Potting Mix is formulated for rapid root development, includes added plant food, and is sterile enough to minimize disease on seedlings. Its fine texture and balanced moisture retention make it ideal for both seeds and cuttings. For a fully organic alternative, the Back to the Roots mix works, but it may not be as sterile as the dedicated seed‑starting blend.
How do the nutrient‑release durations differ across the listed products?
Miracle‑Gro Moisture Control and standard Potting Mix provide up to six months of feeding, while the Organic Outdoor mix releases nutrients for about two months. Back to the Roots does not contain added fertilizer, relying on the plant’s own feeding schedule. FoxFarm Happy Frog and Ocean Forest supply long‑term organic nutrients through bat guano, earthworm castings, and fish emulsion, which break down gradually over the growing season.