Genus Azalea Species x Cultivar 'Conles' Autumn Empressâ„¢ Common Name Autumn Empressâ„¢ Encore Azalea Patent ID pp# 12109 Height 4 to Feet Spread 3 to Feet Habit Upright habit. Moderate growth rate. Zone 6 to 9 Culture Full sun to partial shade. Flower Medium pink, semi-double. Spring, summer and again in fall. Flower Color Pink Foliage Dark green with a bronze hue in winter. Evergreen. Categories: Azalea Encore® Evergreen Shrub Description Photo courtsey of Encore® Azalea