Bleeding heart
Astilbe
Lady Fern
Hosta
Delphinium
all plants flower at some point, the Astilbe, and Delphinium are the only ones with lasting blooms
Columbines. Columbines are beautiful and easy to manage. They attract humming birds too! Or if you don't like them, use this link to see a whole list of perennial flowers you can choose from. http://home.howstuffworks.com/perennial-flowers.htm
perennial
One perennial flower is the impatien.
Each variety of perennial blooms at different times.
Shade tolerant flowers which are perennial (comes back year after year) include Hostas. They bloom briefly but can be quite showy, and even fragrant. The leaves themselves are also very showy. They go will in any shade garden.
Helleborus.
Most Lillies grow from a bulb so they are perennial flowers.
I have always preferred perennial flowers over annuals.
Most Lillies grow from a bulb so they are perennial flowers.
Lithadora
The type of flowers that bloom every year without replanting includes perennial flowers. Roses, Plumbago, and hibiscus flowers are all examples of those perennial flowers.
The perennial peanuts like shade. They are able to tolerate between 70% and 80% shade. Although, it is said that peanuts in Hawaii do not like shade and prefer direct sunlight.