"The Daylily Stella d' Oro, 'Hemerocallis', a spring planted herbaceous root," displays a very fragrant dark yellow flower. The Stella d' Oro has dark green foliage and provides great contrast for the yellow flower. They are sometimes called ""everbloomers"" because of their habits of blooming all season long. Use them for cut flowers", massing, edging, borders, or in mixed containers and tubs."