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
Flowers can be either annual or perennial. Annual flowers complete their life cycle in one growing season, while perennial flowers come back year after year.
Dahlias are perennial flowers, meaning they come back year after year.
Dahlias are perennial flowers, meaning they come back year after year.
One perennial flower is the impatien.
Each variety of perennial blooms at different times.
Yes, dahlias are perennial flowers, meaning they come back year after year from the same plant.
Helleborus.
I have always preferred perennial flowers over annuals.
Most Lillies grow from a bulb so they are perennial flowers.
Lithadora