Tragopogon pratensis (common names Jack-go-to-bed-at-noon, meadow salsify, showy goat's-beard or meadow goat's-beard) is a biennial plant in the Asteraceae family, distributed across Europe and North America, commonly growing in fields (hence its name) and on roadsides. It is found in North America from southern Ontario to Massachusetts; most of England; on the eastern and southern edges of Scotland; and central Ireland but not the coastal edges.

It flowers between June and October and its flowers have a diameter of 3–5 cm. The root and buds are edible, and it has a milky latex.