Connecticut Plants
Rattlesnake Weed
Hieracium venosum L.

The purple veined-leaves of rattlesnake weed are unmistakable. Yellow flowers bloom on a long, wiry stem (making it hard to get both flowers and leaves in focus in a single photograph).

  • Family: aster (Asteraceae)
  • Habitat: dry open woods, clearings
  • Height: 12-30 inches
  • Flower size: head is 1/2 to 3/4 inch across
  • Flower color: yellow
  • Flowering time: May to October
  • Origin: native
Hieracium venosum L.
Hieracium venosum L.