Wild lettuce is a bitter traditional herb known for its milky latex and older relaxation use. It appears in historic teas and tinctures and is often associated with evening herbal practice. Native to Europe and western Asia, it has a long place in older Western herb lore.

Wintergreen is a woodland evergreen herb traditionally valued for its aromatic leaves and external-use comfort preparations. It is associated with liniments, topical blends, and older herbal teas. Native to eastern North America, it is well known for its distinctive fresh wintergreen scent.

Woad is a historic dye herb best known for the blue color made from its leaves. It also appears in older herbal records, though it is more often remembered for craft and heritage use. Native to Europe and western Asia, woad is a striking biennial with mustard-family flowers.

Wormwood is a silvery aromatic herb known for its intense bitterness and long history in digestive bitters. The leaves and flowering tops are used in traditional preparations and historic aperitif formulas. Native to Europe and temperate Asia, it is one of the strongest classic bitter herbs in Western herb lore.

Yarrow is a classic meadow herb traditionally used in teas, tinctures, and topical preparations. Its feathery leaves and flat flower clusters make it easy to recognize, and it has a long history in Western folk medicine. Yarrow grows widely across North America and is common in herb gardens.