Jupiter's Beard

a/k/a White Red Valerian or Centranthus.
These plants have fleshy, blue-green leaves with clusters of pink, rose, coral-red, or white flowers on tall, branching stems. They have a very long bloom season and make excellent cut flowers but seed out like weeds if not dead-headed. 'Coccineus' has carmine-rose flowers. 'Albus' has white flowers.