There are several other species in the Fritillaria genus that are common landscape plants. Most are considerably more showy than the native yellow fritillary Fritillaria imperialis (crown imperial) is a 3- to 4-foot-tall plant topped with clusters of yellow-bell-shaped flowers. Hardy in zones 5 to 8, it blooms in May or June. Fritillaria michailovskyi is a native of Turkey. It has a similar growth habit to yellow fritillary but has brownish-purple flowers. It is hardy in zones 5 to 8. Fritillaria meleagris (snake's head fritillary) is a native of eastern Asia with unusual checkered reddish-brown and purple flowers. Growing 6 to 9 inches tall and flowering in early spring, it is hardy in zones 3 to 8.