Autumn Sweetheart offers two shades of color. The pink flowers are so soft they sometimes appears almost white. Dotted with lavender freckles the tantalizing blooms provide the perfect adornment for the rich evergreen foliage. The growth habit and striking color provide the perfect adornment for the rich evergreen foliage. Sweetheart is one of the larger Encore Azaleas reaching a mature size of 4ft H x 4ft W. Plant your Encore Azalea in slightly acidic well drained garden soil in an area that receives full to part sun and apply a slow release granular fertilizer for best bloom performance.