To look at the Centennial Bulb, you might not think there was anything so special about it. There it dangles, from the ceiling of a fire station at 4550 East Avenue in California's Livermore.

While not necessary for rebloom, after they bloom ... They are long-lived and are versatile garden plants. Daylilies (Hemerocallis spp.) can be found that bloom every month during warm weather.