Quercus Texana, or more commonly know as Texas Red Oak, is a tree shrub with green foliage and yellow flowers of the genus Quercus. It has a rapid growth rate and a height of 100 feet at maturity. Its duration is perennial which means it will grow year after year. It's active growth period is spring and summer, blooms during early spring and is intolerant of shade. Quercus Texana or Texas Red Oak's floral region is North America US Lower 48, specifically in the states of Alabama, Arkansas, Illinois, Kentucky, Louisiana, Missouri, Mississippi, Tennessee and Texas.