How to Make Leaf Mold

How to Turn Fallen Leaves into Gardener’s Gold

November 11, 2016

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Fallen leaves can be time-consuming to deal with, so don’t waste all that hard work by throwing them out. Use them to make precious leaf mold instead.

What is Leaf Mold?

Leaf mold is incredibly useful in the garden, and can be used to improve soil, suppress weeds, or as a component in your own potting soil mix.

Leaf mold is made from the leaves of deciduous trees and shrubs (that’s one that drops its leaves in winter). Thicker deciduous leaves and evergreen leaves take longer to rot down, so they should be added to your main compost heap where they’ll rot down faster due to higher temperatures.

Some leaves should not be used for leaf Mold, as they release chemicals that can stunt plant growth. These include black walnut, eucalyptus, camphor laurel and cherry laurel.

How to Collect Leaves for Leaf Mold

Collect leaves from almost anywhere they fall, but don’t collect leaves from busy roads as they may contain pollutants that could harm your plants.

Using a spring-tine rake or a leaf blower, collect leaves into piles then scoop them up by hand or using improvised grabbers.

A quicker method is to mow them with a lawnmower on its highest height setting. The blades will chop the leaves into small pieces that will turn into leaf mold faster than whole leaves. If you’re collecting the leaves as you mow them be aware that the collection bag can become heavy quickly, particularly if the leaves are damp, so you’ll need to empty the bag often.

How to Make Leaf Mold

Leaf mold is simple to make. First construct a leaf mold cage to contain your leaves while allowing plenty of air to reach them. Hammer four corner posts into the ground, then staple chicken wire or mesh to the posts. It will normally take about two years for leaves to rot down into leaf mold.

An even simpler solution, for small amounts of leaves, is to stuff them into sturdy garbage sacks. Squash the leaves right down into the sack, tie it shut, and puncture it several times with a garden fork. Pop the sacks somewhere out of the way where they will remain undisturbed for a couple of years.

How to Use Leaf Mold

1. Improve soil. Within two to three years, your leaves should have rotted down into dark, crumbly leaf mold. Spread it thickly on the soil surface and lightly fork it in. Beneficial soil organisms will then incorporate it fully into the soil. Leaf mold will enhance any soil type, improving drainage in heavy clay soils and helping to retain moisture in light, sandy soils.

2. Mulch. Leaf mold that is between one and two years old will only be partially broken down, but at this stage it can be spread as a mulch to suppress weeds and gradually improve your soil. Lay it 1-2 inches thick around fruit trees and bushes or other perennial plants.

3. Potting soil mixes. Sieve finished leaf mold to remove any lumps and debris. Mix the fine sieved leaf mold with compost and weed-free topsoil, and use it for growing crops in containers or when transplanting young plants. 

Did you enjoy this advice? If you would like to try growing your own food, why not take a look at our online Garden Planner! This easy and fun gardening tool is currently available with a free 7-day trial here:


Reader Comments

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I move to a new home in Alabama and my garden area was mostly the red clay. I have been using my leaves, I have a lot, in the garden. I put them about 6 inches thick and till them in and repeat the process 3 or 4 times. The ground is almost black after 6 years and the ground breaks up and stays looser now.

Leaf mold

I was so pleased to see your video on leaf mold! A few years back I made my raised beds from your suggestions and am loving them...that was followed by your pallet compost bin (so easy and fun to make and it feels wonderful to compost our food scraps and garden waste!) and now, sitting beside it all is my oh so cute, easy to make leaf mold bin!! No more burning leaves!! Fabulous. Thanks so much for all that you do...I'm quite the gardening Granny now :-)

Leaf mold

Thanks, so much, for this entertaining and enlightening video. I will be collecting my friends leaves for use in my garden, since I have over an acre and a half with almost no trees. I have planted three oaks, 2 sugar maples and 2 white pines but it'll be a while before they're producing a lot of leaves for leaf mold.

leaf mold

I have old rain barrels with extra holes in them. I shred the leaves with my lawn mower and pile them in the barrels. I can use my almost finished product within one year as long as I keep the leaves damp just like my other composters.

leaf mold

I love the idea of forking the plastic bags that my neighbor gave me and keeping the leaves enclosed through the winter. I can't wait to see the difference in keeping them this way, rather than out in the open. You're always encouraging me to experiment! TY


I use the leaves I collect to insulate the end of my small, plastic greenhouse. I pile the
bags against the end of the greenhouse that gets the most wind. I hope it will insulate
and protect better than last year.


Feed the earth and the earth will feed you.
Great video and information for the farmers.
When you create Leaf mold for your garden you are create a thriving living microbial soil and creating rich dirt that plants thrive in.

Leaf mold

3 years ago I vac/shredded the silver maple leaves and stashed them into semi-transparant plastic bags; poked holes in the bags and stashed them in a shady area by my (detached) garage. Just this last month I "rearranged" a flagstone path and used the "black gold" I ended up with to establish a new planting area. What beautiful material I ended up with! And next Spring, my new planting area will be ready to go.

Leaf mold from leaves falling on my property

It takes 2-years to make mold? I have 11 mature oak trees. I rake up approximately 50 bags of oak leaves EVERY fall. I do not have the space to dump 2 years worth of leaves into a chicken wire bin. I'm better off having the city pick up the bagged leaves.

Leaf Mold

Hi Jim; if you chop the leaves with a leaf vac or lawn mower or other shredder, you will be able to pack up to 10 bags of formerly loose leaves into one bag. The chopped/shredded leaves are much more compact than the whole leaves. Hope you can save some of your leaves and benefit from this wonderful soil amendment.

Leaf mulch

As we have lots of trees on our 2+ acre property we have lots of leaves which have helped make our garden worthwhile here in Texas where the ground consists of black clay. The leaves help aerate and yet retain moisture and are a great addition to our garden!

That's the beauty of lots of

That's the beauty of lots of leaves over many years - a fantastically rich, well drained and beautifully crumbly soil. Sounds like you're on to a good thing where you are!


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