Xtremehorticulture

Mulch Recommendations for Fruit Trees

Q. Please provide me with recommendations for types of
mulch for fruit trees.
A.  By definition,
mulches lay on top of the soil surface and are not mixed with the soil. There
are organic mulches such as wood chips and there are inorganic mulches such as
rock and plastic. Most mulches shade the soil surface, help to conserve water
and reduce weed problems.
Results in one year of fruit trees planted with and without surface wood mulch.
Mulches made from wood decompose
over time as long as moisture is present. Decomposing wood mulch enriches the
soil. Rock, plastic and bark mulches do not. Their purpose is primarily to add beauty
and reduce weed problems.In the case of plastic inches that are exposed to sunlight, they are intended to warm the soil early in the spring for faster route and plant development.
Even if you have rock mulch, pull the rock mulch away from fruit trees
and apply 3 to 4 inches of wood mulch in the an area as large as possible
underneath the tree.

Any wood mulch, not bark mulch, works
well around fruit trees. The best kind is a mixture of different types of wood
and decomposes in 2 to 3 years. You don’t want to use only bark mulch if your
purpose is soil improvement.
Decaying wood does take nitrogen
from the soil but this is not a problem as long as trees and shrubs are
fertilized annually.

Wood and rock mulches help keep the soil cool, conserve water and reduce the work required for weeding. Only wood mulch enriches the soil. Rock mulch contributes to mineralization of the soil which means it contributes to the depletion of organic matter, it doesn’t add to it.

Some of the best mulches for
fruit trees are woodchips from a variety of trees but excluding trees with long
thorns such as many of the mesquite trees, athel and salt cedar and palms. Palm
trimmings decompose very slowly. Woodchips from trees with long thorns end up
puncturing the bottom of a sneaker or vehicle tires.

Just about any wood source will
pose no problems including eucalyptus, cedar, and even oleander. An excellent
mulch is also the residue left behind from stump grinders. 

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