Leeks in Germanic paganism
Leeks (Old Norse: laukar) were important in Germanic paganism, as attested in runic inscriptions, archaeology and Old Norse literature, where they are the most attested plant. The category of leeks in early Germanic cultures was broad, as it still is to some extent in modern Germanic languages such as English, encompassing members of the Allium genus, and likely several other similar looking plants with bulbs.
Source: Wikipedia — Leeks in Germanic paganism (CC BY-SA 4.0)