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Poison hemlock

 

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Poison hemlock, a Class B noxious weed, is a widespread toxic biennial plant in the Carrot Family often found in open sunny areas, fields, vacant lots, and on roadsides. Eating even a small amount of any part of this plant can kill people, livestock, and wildlife. 

Poison hemlock can be deadly toxic to both people and animals. This deadly noxious weed is thick around Columbia County and is still young, the leaves are at a basal rosette stage, which is the best time to treat poison hemlock.

Poison hemlock is an invasive species that rapidly colonizes streambanks, vacant lots, roadsides, pastures and meadows, especially where the soil is moist, outcompeting native plants and desirable species. It is a biennial plant, which means that it typically lives for two years. The first year it forms a basal rosette of leaves. The second year, it develops floweri...



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