Leaf Management in Your Yard

leaves-fallingAfter the thrill of autumn coloration is gone, those who have yard trees must deal with the bushels of leaves trees drop.  An acre of trees in a forest can produce over 2 tons of leaves each year, and while raking, I sometimes think my 3 yard trees can beat that.

 

Getting rid of yard leaves is indeed troublesome, what with the raking, bagging, and hauling. In my younger days everybody burned their leaves, but in many places that’s now illegal.  Plus the smoke can strain neighborhood relations.  So the trend is to bag up leaves and get them to a landfill, where yard waste unfortunately makes up 20% of the volume placed there each year.  So maybe we should all consider the lemonade from lemons path and realize that leaves can provide excellent material to feed your lawn, garden, or flower beds.  They can also provide mulch material that is superior to the standard bark mulch.

 

In the forest, leaves form a natural carpet that conserves soil moisture, moderates temperature and prevents soil erosion and crusting.  Over time, fungi and bacteria decompose the leaves, supplying surrounding plants with a natural, slow release fertilizer.  Leaves contain 50 to 80 percent of the nutrients plants extract from the soil. We can get the same results by establishing an annual leaf management program.  Here are some options to consider:

 

The Mowing Option: A light covering of leaves can be mowed, leaving the shredded material in place on the lawn. This technique is most effective when a mulching mower is used. You can leave up to 3/4 inch of finely shredded leaves on the lawn without harming it because the leaves settle down through the blades of grass and decompose, returning nutrients to the soil.  With heavy leaf accumulations, something will need to be done with the excess, such as the Mulching Option.  Mulch retains soil moisture and inhibits weed growth. Leaves can be used as mulch in vegetable gardens, flower beds and around shrubs and trees, but there is a catch. Leaves need to be shredded so they won’t form a soggy mat or blow away.  Probably the simplest way to shred leaves is run over them with a lawn mower a couple of times.  If you have a bagger on your machine, collection is a breeze.  If not, mow round and round, always aiming the chute towards the middle until you have a windrow.  There are leaf blower/vacs that will shred and collect leaves as well.  A 2-3 inch layer of shredded leaves works nicely as a mulch that will feed your plants as it decomposes.

 

With the Soil Improvement Option, shredded leaves can be dug directly into garden and flower bed soils.  It will improve organic content, which in turn improves aeration and water holding capacity.  Fall is a good time to work leaves into the soil.  Adding a little fertilizer will hasten their decomposition.

 

Finally, there is the Composting Option.  Shredded leaves can be piled in the corner of the garden and left to decompose and eventually produce compost, the absolute best fertilizer you can have.  It’s critical to shred the leaves so they will break down quicker.  Shredded leaves can also be added to a compost bin to provide a good mix with kitchen waste to make fast compost.

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