Poison Hemlock?

Poison Hemlock is a noxious weed and invasive plant that often grows along the sides of roads, field edges and creeks. Look for clusters of fern-like leaves that may have red or purple spots on the hairless stem. Poison Hemlock is a biennial that forms a rosette in its first year and then produces white flowers on tall stems (3-10 ft) in the spring and summer of its second year.
All parts of poison hemlock are toxic if ingested by humans or animals. Always wear protective clothing, gloves, and eyewear when eradicating the plant. Hemlock can be eradicated with a few years of effective treatments. Small populations can be removed by hand, by digging the plants up or severing the root with a sharp shovel (wear gloves to avoid contact with plant toxins). Herbicides are the most efficient way to control large areas Cutting/mowing the plants is NOT effective unless repeated regularly through the summer as plants will resprout readily.

For more information about how to ID or eradicate Poison Hemlock, contact Purdue Extension at (812) 883-4601.
For information on cost-share assistance for removal of invasive species, contact the Washington County Soil & Water Conservation District at (812) 883-3006 ext. 3.

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