What Happens When Green Giant Arborvitae Are Planted Too Close Together?

Understanding the Causes of Browning Giant Arborvitae Foliage

Many gardeners often wonder why their giant arborvitae trees start exhibiting brown foliage. The phenomenon of arborvitae foliage turning brown can be attributed to a combination of environmental factors. During the winter months, arborvitae, like other evergreens, are susceptible to the harsh elements. Strong winds, prolonged exposure to direct sunlight, freezing temperatures, and a limited water supply collectively contribute to this browning effect. This occurs primarily because these trees are experiencing dehydration, and water serves as the essential life source for their foliage.

To elaborate further, arborvitae trees are not just decorative elements in our landscapes but also living organisms with specific needs. They rely on a consistent supply of moisture to maintain their vibrant green appearance. When they are unable to access an adequate water source during the winter, the stress caused by these environmental factors can result in the browning of their leaves.

Therefore, to keep your giant arborvitae healthy and green, it’s crucial to understand the role of water in their survival, especially during the challenging winter months. Proper watering and protective measures can help prevent this browning and ensure your arborvitae trees thrive throughout the year.

“Pruning Green Giant arborvitae trees is generally not a frequent task, but there are specific situations when it becomes necessary. One such scenario is when you want to limit the height of the leader or main stem of the tree. However, it’s crucial to exercise caution and follow certain guidelines to ensure the health and vitality of the tree. When reducing the leader’s height, it’s advisable not to remove more than a third of its length. Drastic pruning by cutting back more than half of the leader’s height can be harmful and should be avoided to maintain the tree’s well-being.”