16+ Pine Tree Needles Turning Brown In Fall. Dothistroma needle blight of pine trees causes needles to turn brown and fall off. Browning, falling needles on pine trees may be a natural occurrence, depending on the species and age of the pine tree.
Why Are My Pine Tree Needles Turning Yellow Whitehouse Landscaping from www.whitehouselandscaping.com
Pine needles may turn brown and fall off as a result of pollution. The innermost needles turn bright yellow before dropping in the fall, and usually the ground under a white pine is covered with fallen needles, even though the tree is perfectly healthy. Pine needles, for my purposes here, are the brown, dried needles that have fallen from pine trees.
The eastern white pines (pinus strobus), above, with their long needles, are always the most dramatic, turning what looks like mostly gold at first.
My norfolk island pine is not doing so well; The stress can have environmental causes or may be rule out natural causes for browning and falling needle leaves. When the needles on your white pine tree turn brown, they are wilting or dying because they are not adequately nourished. Manage this disease by maintaining good air circulation, mulching and preventing sprinklers from spraying needles.
