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Common Cow Parsnip - Wildflower
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Common Cow Parsnip

description Common Cow Parsnip Overview

Common cow parsnip (Heracleum maximum) is a tall perennial in the carrot family native to much of North America. It produces broad leaves, hollow stems, and large, flat-topped clusters of small white flowers, usually in moist meadows, stream margins, open woods, and forest clearings. Its sap can cause phytophotodermatitis, a skin reaction that becomes more severe after exposure to sunlight.

help Common Cow Parsnip FAQ

What is the scientific name of common cow parsnip?

Common cow parsnip is Heracleum maximum. It is a tall perennial in the carrot family, Apiaceae.

What do common cow parsnip flowers look like?

The plant produces large, flat-topped clusters of small white flowers. It also has broad leaves and hollow stems.

Where does common cow parsnip grow?

It is native to much of North America. Typical habitats include moist meadows, stream margins, open woods, and forest clearings.

Is common cow parsnip related to carrots?

Yes. It belongs to the carrot family, Apiaceae, the same broad plant family that includes carrots and parsley. Its tall form and white flower clusters distinguish it from garden carrot plants.

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