Safety note: Can cause skin irritation.
Bitterweed is an annual with bright yellow flowers and a bitter taste that deters herbivores. It is often found in disturbed areas and is known for its resilience in poor soils. The plant's vibrant blooms add color to fields and roadsides.
Habitat
It grows in fields, roadsides, and disturbed areas.
Diet
Pollinated by bees, it provides nectar for various insects.
How common
Common
Best time to see a Bitterweed
The best time to see a Bitterweed is June–September, when about 61% of U.S. sightings happen, based on 20,447 research-grade iNaturalist observations.
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Recent Bitterweed sightings near you
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5,300+species
63national parks
50states