42+ Pine Tree Needles Turning Brown

Austrian pine is commonly affected by dothistroma needle blight.

42+ Pine Tree Needles Turning Brown. Browning, falling needles on pine trees may be a natural occurrence, depending on the species and age of the pine tree. Pine needles may turn brown and fall off as a result of pollution.

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Occasionally, the disease begins higher in the tree, with inner needles browning in the upper branches. In spring, the causes of brown needles may be weather, infections or insects. Needles turn brown from the tip down, needle base often remains green;

Needles turn brown from the tip down, needle base often remains green;

Needles at the tip of the branch are more severely discolored than those close to the trunk; Pines are evergreen trees, which means a healthy pine should stay green all year long. Dothistroma needle blight is caused by the fungus mycosphaerella pini. Browning, falling needles on pine trees may be a natural occurrence, depending on the species and age of the pine tree.