Boxwood Blight in Potomac?
No, this does not look like boxwood blight. It looks like winter damage (cold injury). https://extension.umd.edu/hgic/boxwood-culture-and-diseases-including-boxwood-blight. With boxwood blight, the leaves would have lesions with a dark border. Another symptom is black cankers (black streaks) that develop on the green stems. This page shows the symptoms that would indicate boxwood blight: http://extension.umd.edu/sites/extension.umd.edu/files/_docs/programs/ipmnet/Boxwood%20Blight-UnivOf...