Rhododendron X 'Roblet' Autumn Sunburst Encore Azalea is an evergreen, compact shrub that grows upright to rounded. Autumn Sunburst Encore Azalea blooms in spring with coral-pink, single to semi-double flowers with ruffled, white petal ends and reblooms from mid-summer to winter. The charming blossoms are beautifully complemented by the bright green foliage of elliptical leaves. Autumn Sunburst Encore Azalea is an excellent choice for hedges, container accents, and border shrubs in the landscape. This dense, sun-tolerant selection thrives in moist, humus-rich, fertile, acidic, well-drained soils with some shade.