Land Plants - invasive

Giant Hogweed (Heracleum mantegazzianum) on May 30, 2024

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

Description of specimen

10ft tall huge leaves white flowers

Commentary

None

Resources

There are many plants that look similar to giant hogweed, including our native cow parsnip. Giant hogweed is truly giant, often 7' to 14' tall, with leaves that can be up to 5' wide. There are some great photos comparing giant hogweed to similar species on the New York Dept of Environmental Conservation website.

Location

Along wildcat road AND EVERYWHERE!!

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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