purple trailing lantana; heat tolerant, low water use, bright attractive flowers spring-fall. Can take over an area so plant in spots you want to fill quickly!
Centranthus Ruber. Red Valerian, Jupiters Beard, Keys of Heaven. Grows 2 to 3 feet tall and 18 inches wide. Branching, pointed clusters of 1/2 inch flowers in shades of pink, red, or white. Zones 5-8.
Abelia × grandiflora: A useful, long-flowering, semi-evergreen shrub for a mixed border. This abelia has attractive, glossy, deep green leaves which it hangs on to for most of the year. From June, it produces masses of small, fragrant, pink-flushed, trumpet-like flowers on arching branches that go on all summer.