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The City of Portland, Oregon

Environmental Services

working for clean rivers

Phone: 503-823-7740

Fax: 503-823-6995

1120 SW 5th Ave, Suite 613, Portland, OR 97204

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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