Genus Azalea Species hybrida Cultivar 'Sunglow' Common Name Sunglow Azalea Patent ID Height 4 to 5 Feet Spread 4 to 5 Feet Habit Medium to large, upright grower. Moderate growth rate. Zone 7 to 9 Culture Full sun to partial shade. Flower Deep rose pink, mid spring. Flower Color Pink Foliage Dark green, evergreen. Categories: Azalea Evergreen Shrub Description Developed at NC State University.