Euphorbia Stygiana ‘Santa Mariae’

Endemic to the island of Santa Maria in the Azores. Rarely offered. One of the most spectacular of the shrubby Euphorbias, similar to Euphorbia mellifera with its handsome broad lime-green foliage with distinct pale mid-rib and exotic appeal. Heads of honey scented, lime green flws. Ht upto 1.8 m, spr 2m. Sheltered, well-drained sunny location. Hardy in more favoured locations. Needs winter protection in extreme winters or more northerly or inland locations. Mulch heavily. Can withstand temperatures down to -10°C.