45+ Arborvitae Brown Spots. Arborvitae foliage turns brown naturally in winter, and inner branches drop. If your green giant arborvitae has brown branch tips, it's also likely damage from the recent spring freezes.
When it happens in summer, the color change could be happening because.
They are conifers, which means they bear cutting into the old, brown wood will leave a gardener disappointed with bald spots that take many. Arborvitaes come in a diverse array of shapes and sizes. Arborvitae requires evenly moist and rich soil. They are along a fence line and it is only in one section that this happens.