Dianella berries

Dianella tasmanica -- Dianellas are Southern Hemisphere grasslike spreading perennials in the lily family, with narrow, glossy, straplike leaves. They produce blue flowers followed by ornamental blue berries. This plant grows to 4', with flat, not keeled, leaves that mainly emerge directly from the ground, but sometimes in fans on short stems. Flowers are lavender-blue to violet, with pale yellow anthers, and the ovoid berries are dark blue.