Best garden composter

These best garden composters will help you turn organic waste into useful soil amendments.

Best garden composter
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The garden composter is every avid gardener's little secret to growing flourishing organic flowers and veggies. By mimicking the natural processes that occur in damp rich soil, these backyard powerhouses can convert kitchen scraps or yard waste into useful soil amendments. With all the garden composters out there, it's easy to get lost in the mix. Here are some of the best units which stand head and shoulders above the rest.

Best overall

FCMP outdoor dual-chamber composter

(Image credit: Forest City Models and Patterns Ltd.)

FCMP outdoor dual-chamber composter

One of the best tumbling composters

With its double-chamber design, this composter lets you start a new batch of compost even before the previous batch is finished.

Pros:

  • Galvanized steel frame
  • Adjustable air vents for excellent aeration
  • Approximately 18.5 gallons per chamber
  • Convenient tumbling design

Cons:

  • A tad difficult to assemble

The FCMP Outdoor composter eliminates the need to mix your compost by hand thanks to the convenient tumbling design. The unit has two compartments that allow one batch of scraps to finish while you're starting a fresh batch on the other side, resulting in a steady supply of compost for your green thumb. The unit has a durable BPA-free, UV-resistant plastic construction complete with a galvanized steel frame, so you won’t need to worry about harmful toxins or rust.

Excellent value

GEOBIN Composter

(Image credit: Yardfully)

GEOBIN composter

Expandable and rotating

This aerated static pile composter is great for an avid gardener with a serious green thumb and backyard space.

Pros:

  • Large 216-gallon capacity
  • Ventilated sides for accelerated decomposition
  • Very affordable
  • Three color options

Cons:

  • Needs to be set up on a flat surface

If you have a large back garden and wish to tackle your composting in style, then the GEOBIN composter is for you. It's more like keeping a traditional compost pile but in a neater setup. Whilst the GEOBIN offers a massive 216-gallon holding capacity, it's still expandable to allow you to increase bin size when the need arises. The simple yet efficient design retains heat and moisture while ensuring maximum ventilation for accelerated decomposition. 

Petite design

Miracle-Grow dual chamber compost tumbler

(Image credit: Amazon)

Miracle-Grow dual chamber compost tumbler

Ideal for both starters and seasoned green thumbs

Each chamber tumbles on its own axis, which means you only need to rotate the side that is ready for turning.

Pros:

  • Compact footprint
  • Internal mixing bars
  • Ultra-modern design
  • Locking mechanism for easy loading and unloading

Cons:

  • Pretty small for a regular gardener

The Miracle-Grow composter has a compact footprint, perfect for a backyard with limited space. With two separate chambers, you can add a fresh batch of scraps to one side while the other side is curing. And, since each chamber tumbles on its own axis, you only need to rotate the side that is ready for turning. This stylish, all-season tumbler includes a side locking mechanism and sits on a sturdy metal base. 

Extra-large

D.F. Omer garden composter bin

(Image credit: D.F. Omer)

D.F. Omer garden composter bin

Simple yet functional tower design

Simply add scraps through the large opening at the top and harvest your homemade black gold from the sliding bottom door. 

Pros:

  • Extra-large opening for quick loading
  • Whopping 110-gallon capacity
  • Secure lid to lock out pesky critters
  • Heat-generating PP plastic construction

Cons:

  • You'll need to cut through the plastic to create a door

This outdoor compost bin has a functional tower design, making it easy to add food and yard scraps from the top and access ready compost from the bottom sliding door. With about 110 gallons of space, this bin can hold a lot of food and yard waste at once, so you can be sure it won't overflow too quickly. The black BPA-free plastic construction is quite durable and great at trapping heat to accelerate decomposition. Plus, a secure lid helps keep critters at bay.

Best vermicomposter

Worm Factory 360 composting system

(Image credit: Amazon)

Worm Factory 360 composting system

Compact and expandable

The trays have grid bottoms, room for worms to migrate upward as a new batch of waste is added.

Pros:

  • Expandable, multi-tray design
  • Odorless
  • Compact footprint
  • Can be used in and outdoors

Cons:

  • Too small for an avid gardener

Thoughtfully designed to fit urban and country lifestyles, Nature's Footprint worm composting system is great for year-round use. This modular bin consists of four trays that stack on top of one another with the worms starting on the bottom tray. Each of the trays has a grid bottom so worms can work their way up as a fresh batch of scraps is added. At the bottom of the unit is a convenient worm tea collection tray fitted with a dispensing spigot.

Repurpose your kitchen scraps

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With the right garden composter, you can gradually nurture your green thumb while cutting back on the need for chemical amendments and fertilizers. In general, the size of your yard as well as how much compost you need will determine which composter is right for you.

For an uninterrupted flow of fresh compost, grab the FCMP outdoor dual-chamber composter. This tumbling composter has a convenient dual-chamber design that enables you to start a new batch of compost even before the previous batch is finished. 

If you'd like to start vermicomposting, the Worm Factory 360 composting system is worth every penny. This durable, stackable, and modular worm composting unit has such a small footprint but produces a decent amount of compost, making it great for smaller yards or apartments.

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Grace Monene is an avid writer with a keen eye for home and office improvement. She has a knack for finding the best little things that will improve the quality of indoor and outdoor living. When she's not writing, you will typically find her reading or testing out the latest technology.