The best outdoor composting tumblers make turning your kitchen scraps into nutrient-rich compost a breeze. We researched dozens of models, evaluating each on durability, capacity, ease of use, and value.
Our top pick, the Dual Chamber Compost Tumbler, has a large capacity, is made of sturdy plastic, and has a height-adjustable latch to keep your compost securely inside.
Here are the best outdoor composting tumblers.
Best Outdoor Composting Tumblers: Editor Recommended
Our Editor’s Best Outdoor Composting Tumblers Reviews
- Made in Canada from 100% post-consumer recycled plastic - The original 8-sided dual chamber tumbling composter.
- TUMBLING COMPOSTER – Avoid digging and mixing your compost pile by hand. The tumbling design makes mixing easy and efficient. Just close the door and turn it 5-6 times every 2-3 days. In hot sunny conditions and with a proper balance of ingredients the compost can finish in as little as 2 weeks.
- EASY TO USE – Fantastic for beginners! The large openings and removable door make it easy to add scraps/clippings and remove finished compost. Deep fins on the body provide great ergonomic handholds.
- TWO COMPOSTER CHAMBERS ARE BETTER THAN ONE – Two separate sides allow the first side to finish while leaving the second side available to add fresh scraps/clippings. Continuously swapping sides after finishing will create an uninterrupted flow of rich, healthy compost.
- EXCELLENT AERATION – All our composter models feature aeration holes as well as deep fins to break up clumps inside the chamber and mix lots of oxygen into the compost. Tumbling composters allow far greater aeration than standard models.
- Easy to use: Large, built-in handle with gear system requires minimal effort to turn the barrel
- Accelerated Process: Internal mixing bars aerate material while spinning to help accelerate decomposition
- Always have compost: With two chambers, you can add ingredients to one side while letting the other side decompose
- Fast Composting: Aerating vents help promote fast composting with air flow
- Simple to Load: Two sliding doors make it easy to load and unload
- BPA Free Materials: The garden compost bin is made of BPA free materials for environmental protection and durability.All-weather frost and rainproof, can be used for composting all year round
- Large Capacity: With an 120 gallon (450 L) capacity, our large compost bin outdoor provides ample space for creating nutrient-rich compost. Its large size allows for efficient decomposition of organic waste, helping you turn kitchen scraps, grass clippings& leaves, and more into valuable compost
- Ventilation design: Each side of this composter is designed with four vents that provide good air circulation for composting, absorbing oxygen and speeding up the composting cycle
- Top Lid and Bottom Door: Load new waste from the top lid and take the compost from the sliding bottom door, making it easy to collect fertile soil for gardens or plants.Closing the lid can prevent small animals from entering
- Easy to Assemble: No tools required, refer to the instructions and lock this composter into place in 4 simple steps
- Two Separate Tumbling Chambers: 2 x 22.5 Gallon separate chambers are alternate for FAST and EFFICIENT composting. It can help you to start a new compost while the other chamber is still composting. It also allows you to avoid digging and mixing your compost pile by hand.
- Built to Last Construction: Made of extra-thick brand-new polypropylene and sturdy powder-coated steel not only protects against the sun but is resistant to corrosion. It will not rock even when rotating the compost bin.
- Excellent Aeration for Efficient Composting: The aeration holes and deep fins on each panel can break up the waste inside, it can mix more oxygen into the compost, help air fully circulate, and speed up the composting process, resulting in nutrient-rich compost.
- Easy Assembly: Comes with all the necessary accessories and clear instructions to help you quickly and easily complete the assembly process. The Compost Tumbler is connected using buckles and fewer screws, ensuring a convenient and efficient installation. (About 30 minutes)
- PERFECT for Beginner Composters or Seasoned Pro: The large openings and removable door make it easy to add scraps/clippings and remove finished compost. All you need to do is put the green and brown waste from your yard and kitchen and turn the composter 5-6 times every few days. The tumbler rotates smoothly and easily.
- 『Tumbling Design Composter』Practical tumbler design offers a simple and balanced 360 degree rotation with better aeration than standard models, makes the mixing easier and efficient. Large openings and removable sliding doors make it easy to add scraps and wastes, enough height let you can put a cart under the bin.
- 『More Efficient 2 Champers Design』Dual composter chambers allow you to compost continuously to create a simple yet more efficient cyclic process with better quality results. Much easier to get results in 2-4 weeks by turning 5-6 times every couple of days, and use 2 separated areas to create a healthy process-cycle.
- 『Superb Aeration System』Featured with reasonably distributed aeration holes with internal bars to provide a superb aeration system for the compost to better break up inside clumps and mix desirable amount oxygen into the compost for better and quicker results.
- 『Build to Last』Overall Dimensions: 28.5”Length x 25”Width x 37”Height; Each door is 8.9”Length x 5.3” Width; Maximum Capacity: up to 43 Gallons. Made of sturdy rust-resistant powder coated iron frame with durable BPA free plastic material bin, offers you a stable base and shatter-resistant compost bin which can last for years.
- 『Easy to Assemble』There are a lot nuts and screws to use but it makes it a very sturdy product. All panels except the door are the same and each panel attaches exactly the same way so it's easy to do. Once assembled, it turns smoothly. Cotton gloves also provided for assembly.
- YOUR RECIPE FOR PLENTIFUL PLANTS – Do you dream of a huge harvest or a front-yard full of vibrant flowers? Achieve all of your garden goals with Miracle-Gro’s large 27.7gal (105L) single-chamber rolling compost tumbler! It’ll help you produce a constant and abundant flow of the coveted “black gold.” Give your plants the nutrient-dense fertilizer they crave, and watch your garden bloom like never before!
- TURN YOUR FOOD WASTE INTO GARDEN GOLD – Transform kitchen and garden waste into rich, fertile compost – the gardener’s treasured “black gold!” Ready-to-use compost will be yours in just 4-6 weeks, thanks to Miracle-Gro’s unique aeration system. Internal mixing bars speed up decomposition to make growing a happy garden easier than ever!
- REDUCE YOUR CARBON FOOTPRINT – Studies show that approximately one-third of the world’s food supply goes to waste. But with Miracle-Gro’s rolling compost box, you can do your part to change that. Save your compostable food scraps, help the environment, and cook up some compost that your plants will love
- LONG LASTING DEPENDABILITY – With a name like Miracle-Gro, you know you’re getting nothing but the best quality. This all-season compost bin tumbler is crafted with sturdy side-locking mechanisms, a strong galvanized steel base, and tight seals to keep out unwanted pests. Plus, the BPA-free, food-grade, UV-protected plastic ensures faster and more efficient composting all year round, while never leaching harmful toxins.
- EFFORTLESS MAINTENANCE - Say goodbye to manually turning your compost pile. With the Miracle-Gro compost bin tumbler, just give it a few spins every few days and let its innovative design handle the rest. Plus, a pair of garden gloves is included in the package to make your composting experience even easier.
- Dual Chamber, High Capacity: Our compost bin features a dual chamber with a generous capacity of 43 gallons. Perfect for large families and avid gardeners, you can simultaneously compost in one chamber while adding new organic material to the other, reducing overall composting time.
- Convenient Access: The dual-chamber composter tumbler features a detachable sliding door with a large opening, making it effortless to add waste or remove compost. The compost bin features a secure seal that effectively keeps out mice, insects, and other pests, ensuring a safe and efficient composting process.
- Built to Last: Crafted from high-quality PP materials and supported by sturdy metal components, our compost bin outdoor boasts a robust load-bearing capacity of 110 lbs. They are BPA-free, UV-resistant, and weatherproof, enduring direct sunlight, typhoons, rain, snow, and more.
- Effortless Tumbling: Say goodbye to the hassle of manual stirring. Our tumbling composter's innovative 360° tumble design ensures thorough mixing, faster decomposition, and higher-quality compost output. Simply roll it every few days, and you'll have compost ready in just 4-6 weeks.
- Optimized Airflow: The garden compost tumbler features strategically placed vents that promote proper air circulation and prevent potential issues. Internal grooves effectively break up clumps, ensuring uniform mixing of materials and accelerating the decomposition of organic matter.
- YOUR RECIPE FOR PLENTIFUL PLANTS – Do you dream of a huge harvest or a front yard full of vibrant flowers? Achieve all of your garden goals with Miracle-Gro’s large 2x – 18.5 (70L) dual chamber rolling compost tumbler! It’ll help you produce a constant and abundant flow of the coveted “black gold.” Give your plants the nutrient-dense fertilizer they crave, and watch your garden bloom like never before!
- DOUBLE-DUTY, CONSTANT COMPOST – Serious gardeners need an endless supply of compost to keep their gardens looking and producing their best. Miracle-Gro’s turning garden composter does just that with its dual chamber design and high volume capacity. Add compost ingredients to 1 side, while letting the other side cure, and you’ll never get caught without compost again!
- FAST AND EASY – Stop struggling with that clunky, cumbersome, difficult to use outdoor compost bin! Miracle-Gro’s rotating compost bin is easy to use for everyone. Our efficient tumbler system is simple to load and unload, while creating perfectly cooked compost without having to dig, turn, or mix by hand. It’s also designed to speed up decomposition, yielding rich, fertile compost in just 4-6 weeks!
- LONG LASTING DEPENDABILITY – With a name like Miracle-Gro, you know you’re getting nothing but the best quality. This all seasons compost bin tumbler is crafted with sturdy side-locking mechanisms, a strong galvanized steel base, and tight seals to keep out unwanted pests. Plus, the BPA-free, food grade, UV-protected plastic ensures faster and more efficient composting all year round, while never leaching harmful toxins.
- EFFORTLESS MAINTENANCE - Forget about constantly turning your compost pile by hand. With Miracle-Gro’s compost bin tumbler, simply give it a few rotations every few days, and let the innovative design do the hard work for you.
- Save 80% Time: Unlike traditional tumbling compost bins, our upgraded rotating compost bin features a built-in internal nut system, making setup faster and simpler. No need to hold nuts from the outside—just screw and go! This innovation cuts assembly time in less than 10 mins, making it the ideal compost machine for first-timers or busy gardeners. A must-have for anyone searching for a compost bin outdoor large, compost bin for garden, or garden compost bin that's quick to assemble.
- Dual-Chamber System for Continuous Composting: Unlike single-barrel options, our dual chamber compost tumbler lets you keep one side composting while you fill the other. This keeps the cycle going with no delays. It's the ultimate compost maker for turning food and yard waste into rich soil on repeat. Whether you're into composting bins, composters tumbling or rotating outdoor, or just need a smart compost box, this bin keeps your garden nourished all year long.
- Fast Aeration & Mixing – Ready in Weeks: Internal air vents ensure proper oxygen flow, helping your scraps break down faster. With the built-in compost turner design, all you need is a spin to mix the contents. Combined with its heat-absorbing black and brown exterior, this tumbler compost bin speeds up the composting cycle naturally. Whether you’re a beginner or a pro, it’s a reliable outdoor compost bin tumbler or compost barrel that gets the job done fast.
- Built to Last – Heavy-Duty & Weatherproof: Crafted from BPA-free PP plastic and a sturdy powder-coated steel frame, our outdoor composting bin is made to withstand rain, wind, and heat. Even during storms, it stays upright and stable. Ideal for anyone needing a compost bin outdoor, garden composter, or composters bins outdoor that won’t crack or rust. This is the dependable outdoor composter you've been looking for.
- 43-Gallon Capacity, Compact Footprint: Holding up to 43 gallons, this large compost bin is surprisingly space-saving. Perfect for backyards, patios, and tight outdoor spaces. Whether you’re looking for a compost bin clearance, a small outdoor compost bin, or a composter outdoor that won’t take over your yard, this bin delivers. It’s not just a composer bin, it’s a smart solution for eco-conscious homes.
- 43 Gal Dual Chamber Composter: This 43 gallons composter with dimensions of 27.6 × 25.8 × 36 inch. This large tumbling composter makes recycling kitchen scraps a breeze.
- Efficient Aeration System: The compost turners are designed with aeration holes and deep fins to enhance airflow, allowing ample oxygen to blend with the compost. This helps break down clumps and accelerates the composting process!
- 360° Tumbling Design: Gone are the days of manually stirring and digging into your compost pile. Deep flaps on panels and in deep grooves combine to smoothly rotate the compost bin and promote the compost process. The large openings and removable door ease the addition of scraps or clippings and the removal of completed compost.
- Sturdy & Durable: Made with a high-grade metal frame and a robust plastic body, this tumbling composter boasts corrosion-resistance and weather-resistance. Its sturdy construction ensures durability for a prolonged service life.
- Dual-Bin Design: The double bin design presents a unique take on the continuous-use composting concept. Two individual chambers permit one side to complete composting while the other remains available for fresh waste addition. Regular rotation of the two sides generates a continuous flow of nutrient-rich compost.
Best Outdoor Composting Tumblers Buying Guide
Before choosing the best outdoor composting tumbler you should consider the following options:
1. Size and Capacity: How much waste you’ll produce will affect the size of the tumbler you buy.
Think about how much you expect to produce, and then choose accordingly. Although some tumblers have a smaller capacity than others, it’s not a huge deal as you can empty the container more often.
You can also adjust your organic waste disposal habits to suit the size of the tumbler.
2. Durability: The material the tumbler is made from will have an impact on its durability.
Plastic and steel are the most common materials used for these appliances. Steel is stronger than plastic, but it is heavier and more expensive.
If you’re going to move the tumbler around a lot, it’s a good idea to get one made from plastic.
3. Ease of Use: The design of your tumbler will affect how easily you can use it.
For example, if it has a lid that you need to lift up to pour out the compost, it will get stuck a lot.
This can be frustrating, especially if you have kids helping to empty the tumbler.
If it has a handle, it will be easier to move, but it will also be heavier.
4. Price: The price of a tumbler will vary depending on the features it offers, but also on its material.
Steel will cost more than plastic, but it’s more durable, and you can expect a longer lifespan.
What else you should know about the best outdoor composting tumblers
1. What are the best materials to use in a compost tumbler?
The best materials to use in a compost tumbler are kitchen scraps, garden waste, and manure.
2. What is the ideal size for a compost tumbler?
Most compost tumblers have a capacity of around 30 to 40 gallons.
3. What is the best way to aerate a compost tumbler?
The best way to aerate a compost tumbler is to turn it regularly so that air can reach all the material inside.
4. How often should a compost tumbler be rotated?
A compost tumbler should be rotated every 2-3 days.
5. What are the benefits of using a compost tumbler?
There are many benefits of using a compost tumbler, including the fact that they help to speed up the composting process, they make it easier to control the temperature and moisture levels of the compost, and they can help to reduce bad odors.
Conclusion
On the market, there are numerous best outdoor composting tumblers. Hopefully, the list of the top ten best outdoor composting tumblers will save you time researching and deciding on the best one for you.