Aquatic plants ›

Water Hemlock

General Infomation

A biennial or perennial that belongs to the carrot family. It is often found on shorelines, and must be handled carefully as all plant parts are poisonous. A large taproot firmly anchors this plant.


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Species Data


Alternate, compound, highly dissected, and clasping the stem.


Umbellate and white (common to the carrot family).


Green, slightly ribbed, and hollow in cross-section. The plant can reach heights of 4 ft.

Aquatic Plants App

Whether you're a professional botanist or a casual nature enthusiast, the NC State University (NCSU) Aquatic Weeds app has detailed information on a wide variety of aquatic weeds to assist in identification.