and last updated 2021-01-06 22:20:50-05 VALLEY MILLS, TX â It's nothing Texans aren't familiar with, but it's occurring during a peculiar time - mountain cedar season. 25 News recently helped illustrate how you can tell the difference between symptoms associated with COVID-19 and allergic reactions caused by mountain cedar. For Dr. Kellous Price with Texas ENT & Allergy, the first months of a new year are a busy time for seeing patients experiencing allergic symptoms related to mountain cedar. "You know, it's nothing new, and you know in general, it's going to be... it's going to be bothering people usually from about November to up to March," Dr. Price said. "But it's usually worse from about December to February."