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Composting fall leaves is easier than you think – Here’s how to make use of all those fallen leaves

Get use out of your fall leaves with these easy composting tips

So you’ve read our guide to composting, and you’ve learned that leaves would make a great addition to your pile. Fallen leaves are a gift to gardeners that should never be disposed of in the landfill. They make excellent compost, leaf mold, and mulch that all enrich soil and boost plant health.



What You Need

  • Compost scraps with high nitrogen content (kitchen vegetables, coffee grounds, garden weeds, grass clippings)

  • Water

  • Rake or shovel

  • Tarp

  • Compost tumbler (if needed)

  • Wire or nylon fence

Keep in mind: The best leaves for composting, including ash, maple, poplar, willow, and fruit tree leaves, are those that have thin cell walls and contain higher levels of nitrogen and calcium. Leaves with tougher cell walls and low nitrogen content, including beech, holly, and oak, resist the composting process and may be best for other uses, such as mulch or leaf mold. Walnut and eucalyptus leaves contain compounds that are detrimental to other plants. These are best used to mulch the trees they came from.

A person picking up leaves
Image used with permission by copyright holder

Before you start: Shred your leaves

For all of their benefits, leaves present a few challenges. They blow around in the slightest breeze, making the yard look untidy. They easily become matted when wet, sometimes to the point of repelling rainwater. They take up tons of space, whether piled up or in bags, as they await usage.

Whatever you plan to do with your fallen leaves, it's easier if you shred them. Shredding fallen leaves reduces matting, increases surface area for faster composting, reduces blowing in the wind, minimizes needed storage space, and generally improves handling.

Pile of fall leaves
Victoria_Hunter / Shutterstock

Making leaf compost

Efficient composting of fall leaves requires a carbon-to-nitrogen ratio of between 25 and 40 parts carbon to one part nitrogen. Too much nitrogen leads to a stinky, slimy mess. Too much carbon and the pile will be extremely resistant to decay. At the ideal ratio of 30:1, the compost heats up quickly as beneficial microbes break down the material. The heat kills off plant diseases and weed seeds. The resulting compost is dark, crumbly, nutrient rich, and teeming with beneficial bacteria that garden plants love.

Compost needs content that's high in both nitrogen and carbon. The nitrogen-rich ingredients are easy enough to come by, but finding carbon-rich ingredients can be more challenging. Many gardeners resort to buying straw or using shredded paper and cardboard; however, shredded autumn leaves make a perfect high-carbon ingredient because they are natural, plentiful, contain beneficial nutrients, and best of all, they’re free!

Step 1: Gather compost material with a high nitrogen content, such as kitchen vegetable scraps, coffee grounds, garden weeds, grass clippings, last season’s annual flowers, etc.

Step 2: Start a new compost pile by spreading a 6-inch layer of shredded leaves in an area measure 3 square feet and moisten thoroughly with water.

Step 3: Add a 2-inch layer of nitrogen-rich “green” material.

Step 4: Cover the green layer with a 4-inch layer of shredded leaves and moisten.

Step 5: Continue alternating 2-inch layers of green material with 4-inch layers of shredded leaves until the pile is about 3 feet tall. The pile can be built all at once or gradually over time.

Step 6: Be sure to cover each new green layer with a layer of shredded leaves.

Step 7: Turn the pile every one to two weeks to improve aeration.

Step 8: Add water as needed. The pile should always have the approximate moisture content of a wrung-out sponge.

Step 9: Cover the pile loosely with a tarp to retain heat and moisture.

A black plastic compost tumbler in a garden
Image used with permission by copyright holder

Making leaf compost with an enclosed composting system

If you use an enclosed composting system, such as a compost tumbler, layering may not be possible.

Step 1: Start the compost pile with three to four parts (by volume) shredded leaves to one part nitrogen-rich material. For each additional part of green material, add two parts shredded leaves.

Step 2: Add water as needed.

Step 3: Rotate the tumbler once or twice a week, and monitor the moisture content.

Raking autumn leaves
Elena Elisseeva / Shutterstock

Make leaf mold

Leaf mold is the dark, rich, crumbly material that forms on the forest floor. It has an incredible ability to improve soil water-holding capacity, drainage, and nutrient retention. The difference between compost and leaf mold is in the organisms that make it.

While composting is performed primarily by bacteria in a warm or hot environment, leaf mold is made by fungi in a cool environment. Bacteria require higher levels of nitrogen, but the fungi that form leaf mold survive on carbon-rich leaves alone. All you have to do is mimic nature.

Step 1: Pile moist, shredded leaves in an out-of-the-way part of the garden or yard and leave them alone for six to 12 months. Several small piles that are 3 to 5 feet tall and wide are easier to maintain than a single large pile.

Step 2: Use wire or nylon fencing to form cages to keep the leaf piles intact. A flat-top cage will promote rainwater absorption.

Step 3: Add a tarp to expedite the process and maintain consistent moisture.

Hands full of fallen leaves
Jarun Permsup / Shutterstock

Turn leaves into mulch

If you have no space, time, or desire to maintain a compost pile or leaf mold bin, or if you simply have too many leaves to compost, you can take advantage of natural decomposition of leaves by using them for mulch.

Step 1: Spread a 6- to 12-inch layer of shredded leaves around landscape plants and over garden beds.

Step 2: Do not disturb the leaf mulch while it decomposes. Biological activity will remain steady at the soil surface beneath this mulch layer, and decomposers will gradually turn the leaves into humus. Subsoil organisms such as earthworms then transport the material to plant root zones.

Eliminate the time and expense of dumping those fall leaves. Instead, turn them into valuable compost for better soil and plant health in your garden.

Editors' Recommendations

Mark Wolfe
Former Digital Trends Contributor
Mark Wolfe is a freelance writer who specializes in garden, landscaping, and home improvement. After two decades in the…
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