Zantedeschia aethiopica 'Green Goddess'

Green Calla Lily - A herbaceous perennial that forms a large clump of arrow-shaped leaves to 3-5 feet tall (tallest in shade) that arise from fleshy rhizomes evergreen on the coast if irrigated during summer months but is otherwise summer dormant. colder climates they can freeze back with a frost but quickly recover. In coastal irrigated gardens flowering is often year-round or in late winter to early summer if not irrigated