Passion flowers, perennial morning glory, red trumpet vine and climbing jasmine are all excellent choices.
From the sfgate.com
Morning glory has large, heart-shaped leaves with funnel-shaped to bell-like flowers in blue, lavender, pink, red or white.
From the fresnobee.com
Morning glory is one of several annual, dicot, climbing plants of the following species, all belonging to the Convolvulaceae family and grown in blue, pink, purple, red, or white blooms.