This May 16, 2024 image provided by the North Carolina Botanical Garden shows the top of the blooming flower stalk of an American columbo (Frasera caroliniensis) plant in the mountain habitat garden there. (Emily Oglesby/North Carolina Botanical Garden via AP)
This Oct. 2, 2020, image provided by Daniel Sparler shows an urn plant (Aechmea fasciata) in bloom. (Daniel Sparler via AP)
This May 1, 2013 image provided by the Lady Bird Johnson Wildflower Center shows the tall flower stalks of an Agave americana plant at Matagorda County Nature Preserve in Matagorda, Texas. (Ray Mathews/Lady Bird Johnson Wildflower Center via AP)
This May 19, 2018 image provided by the Lady Bird Johnson Wildflower Center shows American columbo (Frasera caroliniensis) flowers in bloom in Hayesville, North Carolina. (Stephanie Brundage/Lady Bird Johnson Wildflower Center via AP)