Euphorbia characias ssp wulfenii
I am 99% sure this is the correct name for this one...hopefully I am correct! A stunning plant with blue-grey foliage and beautiful heads of many glowing chartreuse-green bells. Hardy and extremely drought tolerant once established, it loves hot dry gardens. The sap can irritate your skin though, so don't plant near paths and always wear gloves when handling it. Mature size 1m x 1m. 9cm pot.