Comparison: Best Soil Blend Super Compost (Updated | Nov 11th)
If you’ve ever wondered why some gardens thrive while others barely survive, the secret might be hiding right under your feet—your soil. We’ve dug deep into the world of soil blends and super composts to find out which ones truly deliver. From nutrient-rich mixes to eco-friendly options, we’ll break down the top contenders so you can choose the best one for your garden with confidence. Let’s get down to earth.
- Best for odor-free blend: Michigan Peat Compost and Manure Blend
- Best for dual pack power: Michigan Peat 2-Pack Compost and Manure Blend
- Best for balanced drainage mix: Michigan Peat 40 Pound Bag Garden Magic Organic Planting Potting Top Soil Blend Mix for Indoor and Outdoor Gardening and Landscapes
- Best for peat-free power: Organic Mechanics 110 Blend Organic Potting Soil – 1.76 Cu Ft | Peat-Free Mix with Biochar
- Best for seafood enriched soil: Coast of Maine Quoddy Blend
- Best for yield-boost moisture: Organic Mechanics Premium Blend Potting Soil
- Best for pro grow soil: Purple Cow Organics IndiCanja 1 Cubic Foot Bag
- Best for concentrated super soil: California Super Soil Premium 100% Organic Autoflower Super Soil – 18+ Nutrient Blend – Garden Soil for Indoor Grow Kit – 6Lbs Bag – Grows 2 Plants
- Best for lobster compost boost: Coast of Maine Organic & Natural Quoddy Blend Lobster & Crab Compost Blend – Premium Soil Amendment w/Composted Manure
- Best for high-nutrient supersoil: California Super Soil Premium 100% Organic Super Soil – 18+ Nutrient Blend – Living Soil Technology – Potting and Garden Soil for Indoor Grow Kit – 6Lbs Bag – Grows 2 Plants
Product Comparison: Best Soil Blend Super Compost
Michigan Peat Compost and Manure Blend, Garden Magic Mix with Odor-Free Blend, 40 Lbs – Outdoor Lawn and Gardening Mixture with Nutrients and Minerals for Soil Potting and Planting
- Organic Compost Blend: Enhance the nutrient content and soil quality of lawns and raised garden beds with this organic blend, promoting healthy plant growth and soil vitality
- Ready-to-Use Mixture: Pre-prepared with odorless organic reed sedge peat and composted animal manure, this blend is ready to use immediately for all your gardening needs
- Essential Nutrients for Plant Growth: Packed with vital nutrients, this blend supports the healthy growth of flowers, vegetables, and grass, ensuring strong, vibrant plants
- Versatile for Gardening: Perfect for improving potting soil in planters or raised beds, making it an ideal choice for gardeners enhancing their container gardening projects
- Convenient 40-Pound Bag: Each 40-pound bag covers approximately 0.75 cubic feet, providing ample material for small-scale gardening and soil enrichment tasks
Michigan Peat 2-Pack Compost and Manure Blend, Garden Magic Mix w/Odor-Free Blend, 40 Lbs – Outdoor Lawn and Gardening Mixture with Nutrients and Minerals for Soil Potting and Planting
- Features a pair of Michigan Peat Compost and Manure Blend bags; Ideal for top dressing on lawns or raised garden beds, providing natural nutrients that serve as great plant food for houseplants
- Equipped with an odor-free blend of natural, organic reed sedge peat and composted animal manure; Suitable for planters who maintain an outdoor flora using manure compost
- Provides natural nutrients for flowers, vegetables, grass, and more; Ensures healthy growth for your potting soil outdoor garden, offering a rich soil bed for new seeds
- Blend with potting soil for planters or raised beds; Amend the compost soil in backyard gardens or lawns to grow tomatoes and other plant food to attain succulent growth
- Each 40-pound small bag of potting soil covers 0.75 cubic feet; Can be used with a fertilizer for repotting plants to form a healthy potting mix in your soil containers
Michigan Peat 40 Pound Bag Garden Magic Organic Planting Potting Top Soil Blend Mix for Indoor and Outdoor Gardening and Landscapes, White
- Ready-to-Use for All Planting Needs: This general-purpose potting mix is ready to use out of the bag, making it perfect for both indoor and outdoor planting without any additional preparation
- Optimal Moisture Retention & Drainage: Designed to allow excess water to drain effectively while retaining moisture, promoting healthy plant growth during dry seasons
- High-Quality Soil Blend: Features a dark blend of reed sedge peat, perlite, and sand, offering the best conditions for plant health and soil structure
- Perfect for All Gardeners: Developed for both new and experienced home gardeners, this soil mix enhances plant growth in various environments and gardening projects
- Improves Soil Quality: Ideal for loosening heavy clay soils and enhancing moisture in light soils, making it perfect for use as a top dressing to fill holes in lawns and garden beds
Organic Mechanics 110 Blend Organic Potting Soil – 1.76 Cu Ft | Peat-Free Mix with Biochar, Coco Coir, Perlite, Compost | for Indoor Plants, Outdoor Gardens, Containers
- Large 1.76 Cu Ft Bag – Great value size for indoor gardening and outdoor containers
- Peat-Free Organic Mix – Contains biochar, coco coir, perlite, compost, worm casting, plus bone char, volcanic ash, zeolite, alfalfa meal, and kelp meal
- Superior Drainage & Aeration – Ideal soil structure to promote root health and reduce overwatering
- Feeds Soil Biology – Adds calcium, phosphorus, and minerals to nourish microbes and plant roots
- Heavy Metal Tested – Tests super clean for heavy metals to support safe, healthy growing environments
- Ready-to-Use On All Plant Types – For optimal growth, add desired fertilizer for vegetative and flowering phase
Coast of Maine Quoddy Blend, 1 cu ft (Pack of 2) Organic and Natural Compost Blend with Lobster and Crab – Improves and Revitilizes Soil
- It’s known for its dark-brown, complex soil texture that drains well.
- made with compost, sphagnum peat moss, aged bark, and chitin-rich lobster and crab meal.
Organic Mechanics Premium Blend Potting Soil, 8 qt – Moisture-Retentive, Peat-Free, Compost – Enriched Mix with Worm Castings & Perlite for Houseplants, Annuals, Veggies & Tropical Plants
- Moisture-Retentive, Peat-Free Potting Soil – Retains moisture longer than peat-based soils, reducing watering frequency and promoting strong root development
- Ideal for Houseplants, Flowers, Annuals, and Tropicals – Perfect for small to mid sized containers, transplants, window boxes, small-space gardening, and for any plant that wants better moisture-retention
- Rich in Organic Matter for Healthy, Thriving Plants – Contains compost, aged pine bark, coconut coir, perlite, and worm castings. Encourages beneficial biology in the root zone for a happier, healthier plant!
- Harvest Twice as Much – Research trials show that this soil can produce up to twice the tomato yield compared to conventional potting soil
- Fertilizer-Friendly Blend – Combine with fertilizer at planting time for optimal plant performance, growth, and yield
Purple Cow Organics IndiCanja 1 Cubic Foot Bag, Organic Living Soil, Clean & Natural Plant Based Water Only Super Soil for Professional Indoor & Outdoor Growers
- READY-TO-USE! IndiCanja is a water-only super soil containing everything needed to take your plant from seedling to harvest
- WHAT THE PROS USE! Purple Cow IndiCanja is used by many professional indoor growers and farmers, but it’s easy to use for the hobby growers and home gardeners as well
- COMPOST-BASED! Including Purple Cow Organics’ plant-based compost, IndiCanja contains essential nutrients and organic matter that may naturally increase water uptake
- DEVELOPED BY A GROWER! A Michigan grower worked closely with Purple Cow over several years to fine tune the exact recipe for this product, keeping in mind the needs of the user
- CLEAN AND ORGANIC! Choosing to grow in IndiCanja supports the goal of cultivating “cleanly” grown flowers and extracted compounds for human consumption
- Heavy Metals: Purple Cow IndiCanja is OMRI listed so it meets strict requirements regarding heavy metals. Lab tests regarding heavy metals in IndiCanja can be found on the Purple Cow Organics website.
California Super Soil Premium 100% Organic Autoflower Super Soil – 18+ Nutrient Blend – Garden Soil for Indoor Grow Kit – 6Lbs Bag – Grows 2 Plants
- PREMIUM SOIL CONCENTRATE: Soil is one of the most important aspects to any grow. Just like it is for any other organism, a balanced diet is extremely important for your plant’s health. Optimal nutrient ratios and concentrations in California Super Soil nourish your plant and allow for a bountiful, organic grow!
- STOP TRYING, START GROWING: California Super Soil is all you need for the best growing results! All ingredients are 100% organic, designed on a molecular level to be the perfect growing medium. You will never have to add any nutrients or worry about management all the way from seed to harvest. One-step solution to growing bigger, healthier plants with robust root structures.
- CONCENTRATED STRENGTH: Mix the organic concentrate with your soil medium to give your plants what they need to flourish. With just a single 5 lb. bag, you can create up to 30 gallons of Living Super Soil! 100% more concentrated than leading brands with active microbes, shown to increase plant uptake of vital nutrients, such as phosphorus.
- LIVING SOIL TECHNOLOGY: Our concentrate is fermented, allowing microbes to begin breaking down amendments into forms that can be absorbed by your plants. Multiple scientific studies have shown these microbes increase plant uptake of vital nutrients, such as phosphorus, and improve soil aggregation. This regulation also helps prevent any potential nutrient burn to your plant!
- INDOOR PLANT SOIL KIT INCLUDES: 5 lbs of Premium Soil Concentrate & Rapid Rooters | Check out our full inventory of items that work hand in hand with our soil like our hydroponics growing system and other hydroponics supplies for your indoor gardening
Coast of Maine Organic & Natural Quoddy Blend Lobster & Crab Compost Blend – Premium Soil Amendment w/Composted Manure, Sphagnum Peat Moss, Lobster & Crab Shell Meal – Enhanced Drainage (1 cu ft)
- PREMIUM ORGANIC SEAFOOD COMPOST: Crafted from chitin and calcium-rich lobster shells, composted cow manure, sphagnum peat moss, and composted bark, this nutrient-dense blend enriches your garden soil for healthier plant growth.
- IMPROVES SOIL STRUCTURE: Incorporating Quoddy Blend Lobster & Crab organic compost for plants in your garden enhances water retention, drainage, and aeration, creating an optimal environment for robust root development in vegetables, flowers, and foliage.
- VERSATILE APPLICATION: Ideal for maintaining gardens, beds, and borders, this precisely balanced formulation supports the vigorous growth of a wide variety of plants, trees, and shrubs.
- EARTH FRIENDLY COMPOST FOR SOIL: OMRI listed for organic use, Quoddy Blend reflects Coast of Maine’s commitment to nature-conscious, responsible gardening practices.
- HARVESTING A BRIGHTER FUTURE: Since 1996, Coast of Maine has been dedicated to sustainable, regenerative practices that nourish healthy plants. Our products are made with all-natural components, providing a sustainable, eco-friendly solution for enriching garden soil.Our commitment to quality and environmental stewardship ensures that every product supports a healthier garden and planet.
California Super Soil Premium 100% Organic Super Soil – 18+ Nutrient Blend – Living Soil Technology – Potting and Garden Soil for Indoor Grow Kit – 6Lbs Bag – Grows 2 Plants
- 5% SOIL AND 95% NUTRIENTS: California Super Soil is a highly concentrated super soil designed specifically for vegetating and flowering plants. California Super Soil allows growers to achieve higher yeilds while also making the growing process cheaper and easier!
- GOOD LIVING SOIL TECHNOLOGY: All growers will love the living soil technology of California Super Soil since there is no need for advanced nutrients or plant food ever for your vegetable garden. Simply add soils media and regular tap water and that’s it!
- ORGANIC SOIL MIX: Most other indoor plant food and garden soil products are manufactured using process ingredients that cannot be properly absorbed into the soil, unlike ours. The 18+ nature’s nutrient blend ensures your vegetable plants get off to the right start and then continue growing strong right up to harvest.
- MADE EASY GARDEN SOIL MIX: Fermented for just over 2 months allows microbes to begin breaking down amendments and cycling them into plant forms. This prevents any burning from the soil to make certain the best possible growth with our indoor growing soil blend in your indoor garden.
- INDOOR PLANT SOIL KIT INCLUDES: (x2) 6lb bags of Cali Super Soil. This kit will keep you on track with your grow by providing enough for another bulk of plants, or one big grow! Check out our full inventory of items that work hand in hand with our soil like our hydroponics growing system and other hydroponics supplies for your indoor gardening.
- BEST SUPER SOIL: To grow the best, you need the top planting soil. Our new California Super Soil is all you need for the best growing results without using any harsh chemicals. A nutrient rich artisanal soil formulated throughout the years in research and development to result in a final blend unmatched by others
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Buying Guide
FAQs
What key factors should I compare when choosing a soil blend for my garden?
Look at the nutrient profile, organic ingredients, and moisture‑retention properties. Consider whether the mix is peat‑based or peat‑free, as this affects both sustainability and drainage. Also check the bag size and coverage to ensure it matches the scale of your planting project.
How does the Michigan Peat Compost and Manure Blend differ from the Organic Mechanics 110 Blend?
The Michigan Peat blend uses an odor‑free mix of reed sedge peat and composted animal manure, ideal for traditional garden beds and raised containers. In contrast, the Organic Mechanics 110 Blend is peat‑free, featuring biochar, coco coir, and mineral amendments for superior aeration and a focus on soil biology. The latter also comes in a larger 1.76 cu ft bag, offering more volume for indoor or container gardening.
Is a larger bag always a better value for home gardeners?
Not necessarily; larger bags provide a lower cost per cubic foot but may be excessive for small‑scale projects. If you have limited storage space or only need to amend a few raised beds, a 40‑pound bag (about 0.75 cu ft) like the Michigan Peat options may be more practical. Evaluate your garden size and how quickly you’ll use the product before deciding.
Which blend offers the best moisture‑retention for indoor container plants?
The Organic Mechanics Premium Blend (8 qt) is formulated with peat‑free coconut coir and perlite, which holds water longer while still providing good drainage. The Michigan Peat 40‑pound bag also retains moisture well due to its peat component, but it may stay wetter in small containers. For indoor growers seeking reduced watering frequency, the peat‑free option is often preferred.
Are there any blends that specifically support soil microbes and biology?
Yes, the Organic Mechanics 110 Blend includes worm castings, biochar, and mineral additives that feed beneficial microbes. The Purple Cow IndiCanja super soil is another microbial‑rich option, marketed as a “living soil” that promotes healthy root zones. Both products aim to create a biologically active environment that improves nutrient uptake.
What advantages do seafood‑based composts like Coast of Maine Quoddy Blend provide?
Seafood meals add chitin and calcium, which can enhance disease resistance and improve root development. The Quoddy Blend also combines peat, aged bark, and lobster/crab meal for a balanced texture that improves drainage and water retention. These blends are especially beneficial for heavy‑feeding vegetables and flowering plants.
How do the California Super Soil concentrates differ from ready‑to‑use potting mixes?
Super Soil concentrates are highly concentrated formulas that you mix with your own base soil to create a custom blend, offering flexibility and a higher nutrient density. Ready‑to‑use mixes like Michigan Peat or Organic Mechanics are pre‑blended for immediate application, which is convenient for beginners. Choose a concentrate if you want to tailor the soil to specific crops; otherwise, a ready‑mix saves time.
Can I use a peat‑based blend and a peat‑free blend together in the same garden?
Mixing peat‑based and peat‑free blends is possible and can help balance moisture retention with aeration. For example, combining Michigan Peat with Organic Mechanics 110 can give you the water‑holding benefits of peat while adding the structural advantages of biochar and coco coir. Just ensure the final mixture maintains a loose, well‑draining texture to avoid compaction.