Cup Plant is a robust prairie wildflower whose opposite leaves are fused around the square stem, forming a cup that holds rainwater. This water is used by many species of birds for drinking and bathing. Its numerous yellow flowers are visited by an extraordinary variety of native bees, and the seeds are consumed by finches.
Best time to see a Cup Plant
The best time to see a Cup Plant is June–August, when about 70% of U.S. sightings happen, based on 15,665 research-grade iNaturalist observations.
Not certain it is a Cup Plant? What plant is this? walks through what to check first and the lookalikes that catch people out.
Recent Cup Plant sightings near you
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