Looks can be deceiving. Those white spring flowers that dot many Midwest pastures are toxic to humans and animals. Your first instinct may be to kill the weed by spraying pastures, but one university Extension specialist warns against it.
Poison hemlock is one of the first weeds to green up in spring, and it grows up to 6 feet tall. The first year of growth, poison hemlock looks much like a rosette. It is low to the ground, a small bush-like plant. The second year, it is bolting and flowering.
The flowers look similar to…
