American Columbo is a tall, stately plant with a large rosette of leaves and tall spikes of greenish-yellow flowers. It is a long-lived perennial that blooms only once every few years.
Best time to see a American Columbo
The best time to see a American Columbo is April–May, when about 62% of U.S. sightings happen, based on 3,024 research-grade iNaturalist observations.
Not certain it is a American Columbo? What plant is this? walks through what to check first and the lookalikes that catch people out.
Recent American Columbo sightings near you
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