A double daylily has more than one petal whorl or a stamen whorl that contains petal-like stamens.
Double yellow self daylily.
Yellow - gold self double daylily
Yellow daylily with a green throat.
Daylily of a golden yellow colour and a green throat.
Daylily of a light yellow, double. Red eyezone. Yellow throat.
Daylily of a yellow chartreuse colour and a green throat
Burgundy red daylily. Yellow green throat.
Double daylily of a red self colour
Daylily of a clear orange self colour
Pink polychrome daylily with a yellow throat.
Yellow daylily, self, with green throat.
Yellow gold daylily with a brown eyezone.