Land Plants - native

Cow Parsnip (Heracleum maximum) on May 5, 2024

Originally reported as Giant Hogweed (Heracleum mantegazzianum)

Submitter does not have a specimen
EDRR Status: Local expert notified

Description of specimen

Plant has the purplish-red blotches and bumps and are covered with stiff hairs.

Commentary

None

Resources

Information on Cow Parsnip from iNaturalist and OregonFlora.

Location

Found Giant hogweed on my property near the Mil Creek and multiple areas. Have also seen it on the side of Freeman Road.

Expert Reviewer

Samuel Leininger
Clackamas Soil and Water Conservation District
4-County Cooperative Weed Management Area
Columbia Gorge Cooperative Weed Management Area

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