Skip to Main Content View Text-Only

To improve security, on Feb. 11th the city will begin disabling TLS 1.0 on our websites. This change should not impact you unless you are using an old browser. More information

Close

Environmental Services

working for clean rivers

Phone: 503-823-7740

Fax: 503-823-6995

MAILING ADDRESS: 1120 SW 5th Ave, Room 1000, Portland, OR 97204

More Contact Info

8. Meadow Hawkweed (formerly listed as Yellow Hawkweed)

meadow hawkweedMeadow Hawkweed (Hieracium pratense {h. cespitosum})

  • Stems and leaves exude milky juice when broken
  • Stems are bristly and usually leafless, a small leaf sometimes appears near the midpoint
  • Stems can reach three feet tall and bear up to 30 half inch flower heads near the top
  • Yellow flowers appear from May to July depending on elevation 

Photo by Tom Forney, Oregon Department of Agriculture