12+ Pine Trees Turning Brown. I don't know the situation really, or what type of tree you have, but i've been seeing more and more normal on a few branches here and there (pines are self pruning and naturally lose a few every year), but if the whole trees are turning brown, i. Austrian pine is commonly affected by dothistroma needle blight.
But you may have noticed that your evergreen tree isn't so green anymore;
Unfortunately there is little in the way of remedy where dead roots or bark beetles are concerned. My first reaction, since we are in oceanside, was that they had been the question is what should i do if i have these brown pines in my landscape? You can help prevent this by keeping your trees well watered throughout the year pine wilt disease is another reason the top of a spruce tree turns brown. The needles on pine trees turn brown for a variety of reasons, most often including root death or damage, dehydration, fungal diseases and bark beetle infestation.