We’ll also provide you with some solutions to help you treat the problem and keep your arborvitae trees healthy and green. · one of the main causes of arborvitae turning brown is winter damage, including sunscald and leaf scorch. Why do arborvitae trees turn brown in winter? Why is your arborvitae turning brown ? Can arborvitae be reversed if it turns brown? · why are my arborvitae turning brown ? In this post, we’ll explore the reasons why arborvitae trees may turn brown, including pests, diseases, and environmental factors. There are a number of ways to tackle arborvitae that is turning brown and there are preventative methods to avoid the issue occurring in the first place. Here are the most effective ways i’ve come across to save a troubled evergreen. Winter burn can be caused by a combination of factors, including wind, sun, freezing temperatures, and lack of water. · this comprehensive guide will help you understand why your arborvitae is browning and provide practical solutions to address the issue. · often when we’re consulting with a client on a property we’re asked, “ why is my arborvitae turning brown ?“ in this article, we’ll delve into what causes browning , how to prevent it, and what to do about it if you do notice it on your arborvitae. · the bottom line arborvitae turn brown for a reason — usually water stress (too little or too much), winter burn, pests like mites or bagworms, salt/chemical injury, or planting mistakes. How do you prevent arborvitae from turning brown in winter? Leaf scorch occurs in drying winds when there’s little moisture available. Why do arborvitae turn brown? Arborvitae trees can turn brown during the cold weather months due to a condition known as winter burn. Unraveling the mystery: Diagnose the pattern, correct moisture and drainage, protect from wind, keep roots happy, and prune sensibly.