Plantago maritima, the sea plantain, seaside plantain or goose tongue, is a species of flowering plant in the plantain family Plantaginaceae. It has a subcosmopolitan distribution in temperate and Arctic regions, native to most of Europe, northwest Africa, northern and central Asia, northern North America, and southern South America. lantago maritima is a perential growing to 0.2 m (0ft 8in) by 0.2 m (0ft 8in). It is hardy to zone (UK) 6 and is not frost tender. It is in flower from June to August, and the seeds ripen from August to September.