The bright yellow flowers of the Yellow Rose of Texas Flowering Evergreen Shrub Plant will bloom all Summer and Fall. The flowers of the Yellow Rose of Texas Flowering Evergreen Shrub Plant are double and glow brilliantly in dark corners. The flowers that grow upon the Yellow Rose of Texas Flowering Evergreen Shrub Plant are solitary and are constantly replaced by new ones. Masses of flowers appear in early Summer on the Yellow Rose of Texas Flowering Evergreen Shrub Plant, drooping on slender stems under the weight of the flowers. The Yellow Rose of Texas Shrub is a cold hardy able to take temperatures down to zone 5, it grows to be about 3 to 5 ft. tall and is a dense mounded plant that has numerous zig zagging branches.