Mulching

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Mulching Information

Mulching your trees, established or newly planted, is highly beneficial for many different reasons. Mulch helps conserve and retail soil moisture, retails soil temperatures from extremes, reduces foot traffic, prevents grasses and weeds from leeching water and nutrients, and prevents damage from string trimmers and mowers.

mulching

How to Mulch Your Tree

preparing to mulch

Prepare your Mulching Area

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Remove any grass or other plants from the area you will be mulching. This will already be done if this is a newly planted tree.

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If there is preexisting garden fabric this should be removed. Garden fabric hinders the movement of water causing most water to flow over the top of the fabric.

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If the soil is compacted, you can break this soil up with a hard metal rake or a shovel.

Mulching your Tree

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You should provide 2-4” of mulch over the entire planting area, at least a 4-foot circumference around the tree – ensuring that you do not pile mulch around the trunk of your tree. The wider the mulching area the better.

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Remove any other barriers such as landscaping fabric or rubber mulch rings. Such products reduce water infiltration and beneficial gas exchange in the soil, which reduces the health of your tree.

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Wrong vs. Right way to mound mulch

Maintaining Your Mulch

You should add to your existing mulch at least once a year. If you notice that you mulch layer is showing signs of progressed decomposition or a lot of it has blown away you should not wait to add mulch.

More Mulching Information

  • Wood Mulch is highly recommended as it not only is a highly effective mulch it also breaks down/composts and provides further nutrients to the soil around your trees. We recommend a coarse, single grind mulch as it is heavier and doesn’t get blown around by the wind as easily. Single grind mulch also costs less. Double grind mulch is the preferred mulch for many and while not as ideal this mulch does break down faster. If you decide to use double grind mulch ensure that you’re maintaining the 2-4” coverage within your mulching area. Prebagged Dyed Mulch or Other Organic Mulch such as leaves, straw, and pine needles can also be used. Decomposition is faster for these items and can very easily be blown away by the wind, needing to be added to far more frequently.
  • Adding Rock around the base of your tree is also acceptable but not ideal. Rock can cause the soil below to become compacted preventing the water to soak into the ground. Also, adding rock as a covering does not add additional nutrients to the soil like organic mulch does.
  • Rubber Mulch isn’t recommended but is preferred to having no mulch.
  • Mulch Rings are not recommended as they do now allow the proper amount of water or gas to flow through them into the root ball creating a barrier.
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Mulching FAQ's
Should I mix my old mulch with my new mulch?

Sure! Your old mulch is already in the process of decomposition providing your tree with valuable nutrients.

What should I do if I decide to switch from one mulch type to another?

Keep in mind that single-grind wood mulch is the best for your tree. If you have decided to switch from wood mulch you can keep the wood mulch and add the new mulch on top as your wood mulch will compost into the soil which is ideal. If you are switching to the preferred single-grind wood mulch, remove all previous mulch(aside from other organic mulch such as leaves, straw, and pine needles) prior to adding your new mulch.

Locations to Buy Mulch

City Compost Facility

3714 Windmill Road
Cheyenne, WY 82001
Ph: 307-637-6392

Tankhouse Nursery

521 Southwest Drive
Cheyenne, WY 82007
Ph. 307-222-3796

Arbor Valley

521 SW Drive
Cheyenne, WY, 82007
Ph. 307-274-4511

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