This spring they suddenly started turning from all green to having massive patches of brown, as if they're dying.
15+ Arborvitae Bushes Turning Brown. Wind, sun, and lack of water in winter causes it; If you don't like how it.
What Is Causing My Arborvitae To Turn Brown Ask An Expert from ask.extension.org
Arborvitae also prefers moist air, so when the roots are stressed for water and the ambient humidity is low, the odds of the foliage turning brown are increased. Arborvitaes come in a diverse array of shapes and sizes. They grow at about the same rate, but they're much hardier for.
When arborvitae turn brown, there's little chance they'll recover.
Arborvitae requires evenly moist and rich soil. When the needles are dying on the inside of the tree it is normal. It has dense growth and makes a natural screen when several are planted close together. We have arborvitae that are turning brown.
