Poison Hemlock
The Rise of Poison Hemlock
Poison Hemlock and Wild Parsnip are going to Seed in Southern Ohio
Be Alert to Wild Parsnip!
Be Alert to Poison Hemlock
Poison Hemlock is in Full Flower and Towering over Fields and Landscapes in Ohio.
Focus on Poison Hemlock Control
Poison Hemlock Going to Seed
Poison hemlock (Conium maculatum) is among the most deadly plants in North America. This non-native invasive weed contains highly toxic piperidine alkaloid compounds, including coniine and gamma-coniceine, which cause respiratory failure and death when ingested by mammals.
TOXICITY:
Poison hemlock is native to North Africa and Eurasia including Greece. It's the plant behind Socrates' famous last words, "I drank what?" Or, maybe it was, "don't try this at home." Just kidding. In fact, it was the plant used to poison...
Towering Poison Hemlock
Poison hemlock (Conium maculatum) is among the most deadly plants in North America. This non-native invasive weed contains highly toxic piperidine alkaloid compounds, including coniine and gamma-coniceine, which cause respiratory failure and death when ingested by mammals. The roots are more toxic than the leaves and stems; however, all parts of the plant including the seeds should be considered dangerous. It is a common misconception that poison hemlock sap will cause skin rashes and blisters. In fact, poison hemlock toxins must be ingested or enter through the eyes, cuts, or...
Control Poison Hemlock Now!
This non-native invasive weed is among the most deadly plants in North America. This biennial weed spends its first year as a basal rosette and the second year as an erect, towering flowering plant that can measure 6-10' tall. Despite its common name, poison hemlock is not a tree; it is a member of the carrot family, Apiaceae (formerly Umbelliferae).
...
Pagination
- Previous page
- Page 2