Genus: Centranthus Species: ruber Eventual
Height: 100 Eventual Spread: 50 Position: full sun, south, west Evergreen or Deciduous: Semi Evergreen Soil Drainage well drained Soil PH: alkaline, neutral Exposure: exposed Hardiness: (H4) Hardy The Centranthus Ruber or Valerian has heads of beautiful red flowers that smother its fleshy, pale green leaves.