Conium maculatum (Poison Hemlock)
Family:
Apiaceae (Parsley)
Noxious Weed!
        
Conium maculatum is a poisonous noxious weed. Plants establish along ditches and moist areas and can spread slightly upland. The parsley-like leaves are pinnately compound. Stems have purple speckles.

Vegetation zone:  Plains, Foothills, Montane  (3600 - 8700 ft.)
Time of bloom:  June - August
Origin:  Introduced   Noxious Weed
Eastern Colorado Wildflowers