If the tree is in a landscape with a sprinkler irrigation system, make sure that water is not spraying the needles. Add additional mulch only to maintain a 3 to 4 inch depth. Inspect the depth of the mulch layer each year. Leave at least a 2 inch space between the mulch and the trunk to allow for air movement.ĭo not mound the mulch around the trunk of the tree. Maintain a 3 to 4 inch deep, even layer of wood chip mulch around your tree to prevent weed growth. Remove the bottom most branches from the trunk to help increase circulation around the tree canopy. Use the mature size of the tree as a spacing guide when planting. Needle spots on one year old needles and needle tip death on two year old needles Maintain good air circulation around treesĭo not overcrowd plants.
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