- Introduced from Europe in the 1700’s.
- Grows up to 3 to 5 feet in height.
- White umbel flowers, that start out curled up and opens to allow pollination.
- Flowering occurs from July to September.
- Long taproot, that smells like carrots.
- Found in gravelly or sandy soils and in wet areas.
Consequences of invasion
- Displaces native plant species, particulary grasses and forbs.
- Impacts crop and hay yields in cultivated fields.
- Produces off-tasting milk in dairy cattle after consuming large quantities.
Integrated Pest Management Options
- Mechanical control, by plowing and replanting of infested areas will decrease the infestation in 2 years.
- Mow after stems elongate but before flowering.
- Small infestations may be handpulled. Wear gloves as this plant can cause skin irritation in some people.
- Chemical treatments are only effective during the rosette stage.