Azalea, Encore Autumn Sunburst Reblooming AzaleaAutumn Sunburst Encore Azalea is a compact dwarf shrub with an upright habit and small green leaves. The unique ruffled semi double pink flowers with a white edging that blooms mid spring and smaller blooms in summer and fall. attractive butterflies. A very versatile plant that prefers partial sun with acidic rich, well drained soils. The Encore series are all evergreen reblooming azaleas that need 4 6 hours of sun to get the most out of their blooms.