Genus Rhododendron Cultivar 'Conlen' Patent 11628 Common Name Encore® Azalea Autumn Bravo® Zone 6 to 9 Habit Compact, mounding habit. Moderate growth rate. Height 2.5 to 3 Feet Spread 3 to 3.5 Feet Foliage dark green, evergreen. Flower Blazing red, single flowers. Spring, summer and again in fall. Flower Color Red Culture Full sun to partial shade. Categories: Azalea Encore® Evergreen Shrub Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Tumblr (Opens in new window) Description Photo courtesy of Encore® Azalea.