The abundance of clear yellow blooms are hard to ignore 

Hemerocallis citrina is a lovely and highly scented daylily species. Star shaped yellow flowers that are nocturnal (so fully open first thing in the morning) in nature and very prolific. A classic you must have in your garden. RHS Award of Garden Merit.

Diploid (Baroni, 1897). 5 in.(13 cm) Bloom diameter. 45 in.(114 cm) Scape height. Mid bloom season. Dormant winter foliage. Very fragrant.