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How to Use Leaves as Garden Mulch

| Prepare, Video

One of Mother Nature’s very best gifts comes every fall, as leaves drop from trees. For the small price of collecting the leaves and depositing them in your garden beds as mulch, the returns are high.

 

 

Raking and blowing leaves is a dreaded task for many of us, but those leaves are the best amendment for gardens and landscape beds — and a fantastic addition to compost piles. 

Of the nutrients that trees take out of the soil through their roots, over half is stored in the leaves, which are also high in stored carbon, taken from the air. As the leaves decompose in your garden, the nutrients and organic matter will make soil more fertile and improve the soil structure for optimal drainage and more.

The trick to getting the most benefit from leaves the fastest is to shred whole leaves into smaller pieces.

Some simple tools you may already have can work well for this.

 

Shredded leaves

Shredding whole leaves into smaller pieces is the best way to get the most benefit either for use as mulch or for composting. There are a few different ways to quickly shred leaves.

 

You can mow over whole leaves when dry using a lawnmower with a bagging attachment.

Electric leaf blowers often have a reverse function that comes with the tube and bagging attachment which finely chops the leaves as they’re vacuumed up.

You can also use a standard string trimmer. While it does get the job done, it can be rather cumbersome to manipulate the trimmer head and definitely leads to arm fatigue if shredding more than just a few bags.

 

Weed eater chopping leaves

Leaves can be collected in a trash bin and shredded into small pieces with a weed eater before bagging or storing.

 

One product created specifically for chopping leaves that uses the string trimmer concept is called a leaf shredder. After hearing rave reviews from a close gardening friend, and reading the online reviews, I was curious enough to order one for myself and put it through the paces. 

 

Joe Lamp'l with shredded leaves

After hearing rave reviews about the Worx leaf mulcher from a gardening friend, I bought one to use at the GardenFarm™. It’s my new favorite method for shredding leaves to prepare them for garden mulch.

 

I’m happy to report this was money well spent. For a modest investment of about $150 and a few hundred bags of leaves to test with, this is my new favorite method for shredding them. 

The electric shredding unit is mounted above a sturdy stand. The leaves are safely fed from the top into the hopper, and the string trimmer chops them down and blows them into a collection bag. Overall, it’s the fastest, neatest, most consistent, and most enjoyable method I’ve tried. 

 

Joe Lamp'l using a leaf mulcher

An electric leaf mulcher like this one has the shredding mounted above a stand. The leaves are fed into the mulcher from above and the finished product is collected in the bag below.

 

Shredded leaves are easy to work with when applying mulch to beds. And once shredded, leaves will decompose much faster into rich organic matter known as humus.

All you need is about a 2-inch layer of leaf mulch to suppress weeds, prevent compaction, retain water, and insulate soil from severe temperature changes. Spread by hand, or with a rake or blower.

 

Leaves as mulch under around plants

A two-inch layer of leaf mulch around crops helps suppress weeds, prevents soil compaction, retains moisture in the soil, and insulates the soil from severe temperatures.

 

If you have an abundance of leaves, you can store them whole or shredded in a pile, bin or what I call a leaf corral and wet them. In time, funguses will break the leaves down into what is often referred to as leaf mold, which is simply semi-composted leaves. Leaf mold makes for a very effective organic mulch and highly beneficial soil amendment.

 

Pile of leaves

Leaves can be collected and stored in a pile, bin or corral. Over time, the leaves will break down into leaf mold, a beneficial organic mulch.

 

Links & Resources

Some product links in this guide are affiliate links. See full disclosure below.

Episode 26: Using Leaves as Mulch & Compost (and Why Leaves Change Color & Shed)

Episode 110: Why Mulch Matters in Every Garden: What You Need to Know

joegardener blog:  How to Use Fall Leaves in the Garden – and Why You Should

joegardenerTV YouTube: Why Leaves Change Color in Fall

joegardener Online Gardening Academy: Three popular courses on gardening fundamentals; managing pests, diseases & weeds; and seed starting!

joegardener Online Gardening Academy Seed Temperature Chart

joegardener Online Gardening Academy Essential Gardening Fundamentals: The basics on healthy soil, planting, watering techniques, composting, raised bed and other gardening methods, fertilizer, the many benefits of mulch, and more.

joegardenerTV YouTube

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Growing a Greener World® 

GGWTV YouTube

Leaf shredder 

Corona® Tools – Video sponsor and Brand Partner of joegardener.com

*Disclosure: Some product links in this guide are affiliate links, which means we would get a commission if you purchase. However, none of the prices of these resources have been increased to compensate us. None of the items included in this list have any bearing on any compensation being an influencing factor on their inclusion here. The selection of all items featured in this post and podcast were based solely on merit and in no way influenced by any affiliate or financial incentive, or contractual relationship. At the time of this writing, Joe Lamp’l has professional relationships with the following companies who may have products included in this post and podcast: Rain Bird, Corona Tools, Milorganite, Soil3, Park Seed, and Exmark. These companies are either Brand Partners of joegardener.com and/or advertise on our website. However, we receive no additional compensation from the sales or promotion of their product through this guide. The inclusion of any products mentioned within this post is entirely independent and exclusive of any relationship.

About Joe Lamp'l

Joe Lamp’l is the creator and “joe” behind joe gardener®. His lifetime passion and devotion to all things horticulture has led him to a long-time career as one of the country’s most recognized and trusted personalities in organic gardening and sustainability. That is most evident in his role as host and creator of Emmy Award-winning Growing a Greener World®, a national green-living lifestyle series on PBS currently broadcasting in its tenth season. When he’s not working in his large, raised bed vegetable garden, he’s likely planting or digging something up, or spending time with his family on their organic farm just north of Atlanta, GA.

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