That doesn't mean the entire tree can't be saved, however.
42+ Will Brown Arborvitae Come Back. He comes up north once a year and delivers and plants these trees by the truck load. I have a row of about 50 arborvitae planted as a privacy screen.
Trees Not Looking Too Healthy from 2.bp.blogspot.com
Watch out not to make the finsh cut too close because the shrub will not heal. Now they are all browning out from the center. I did have soaker hoses in front and back set to water every other.
This special cultivar was found growing in mission gardens in techny, illinois and due to its strong characteristics has been cloned ever since and is sometimes called the mission arborvitae.
Arborvitae are evergreen plants, so when the tips start to turn brown, that is when you need to take action. They browned up some during the winter, but pretty much came back over the summer. Back off a bit and the tree should recover. Likewise, root rot and other fungal diseases also can cause brown spots on leaves and branch tips.