Colorado corpse flower is a celebrity as crowds line up to get a whiff

The public can view the blooming corpse flower at Colorado State University. The bloom usually lasts 24-48 hours.

FORT COLLINS, Colo. — Colorado is at the center of the botany world as a rare flower has bloomed at Colorado State University.

A corpse flower bloomed Saturday at the College of Agricultural Sciences’ Conservatory at Colorado State University.

The plant, which can grow up to 8 feet tall, releases a corpse-like smell during bloom. The smell aims to lure pollinators like carrion beetles and flies. The stinky flowers are at the base of the plant.

It’s the first bloom for the flower which has been under the university’s care for seven years.

The public is invited to view (and smell) the corpse flower while it blooms. There is also a free web live stream of the corpse flower bloom.

Colorado State University (CSU) said the flower — named Cosmo — had 4,444 visitors on Sunday with wait times ranging from one hour to 90 minutes.

The corpse flower will be available for viewing again on the Memorial Day Monday holiday from 9 a.m. to 3 p.m. The bloom usually lasts 24-48 hours, so visitors will still have something to see on Monday.

CSU said visitors should bring water and snacks as needed. Line formation will end at 2 p.m., but people in line at 2 p.m. will get through the doors, CSU said.

The public can view the flower at the CSU Plant Growth Facility Conservatory at 1241 Libbie Coy Way. Visitors can park in the South College Avenue Garage at 121 W. Pitkin St.

When the bloom first happens, corpse flowers emits an odor that has been compared to the smell of decaying flesh. This odor becomes less pronounced after the first 12-24 hours, and the bloom itself only lasts for around two to three days.

The corpse flower, or Amorphophallus titanum, was brought to the Fort Collins campus during a plant swap and named Cosmo in 2016. Cosmo’s “parents,” Maudine and Woody, both came from Ohio State University and were “born” on May 24, 2013.

“This is a rare occasion and a big deal because it will be the first bloom for the corpse flower here at CSU,” CSU Plant Growth Facilities Manager Tammy Brenner said.

For more on this story, and others, please visit The Denver Gazette’s news partners 9NEWS.com.

Cosmo, Colorado State University’s Corpse flower, blooms in the Plant Growth Facilities’ Conservatory greenhouse. May 27, 2026. (Courtesy photo, John Eisele/Colorado State University)
Cosmo, Colorado State University’s Corpse flower, blooms in the Plant Growth Facilities’ Conservatory greenhouse. May 27, 2026. (Courtesy photo, John Eisele/Colorado State University)
The line of people waiting to see Cosmo, Colorado State University’s Corpse flower, bloom in the Plant Growth Facilities’ Conservatory greenhouse on May 27, 2026. (Courtesy photo, John Eisele/Colorado State University)
The line of people waiting to see Cosmo, Colorado State University’s Corpse flower, bloom in the Plant Growth Facilities’ Conservatory greenhouse on May 27, 2026. (Courtesy photo, John Eisele/Colorado State University)
Cosmo, Colorado State University’s Corpse flower, blooms in the Plant Growth Facilities’ Conservatory greenhouse on May 27, 2024. (Courtesy photo, John Eisele/Colorado State University)
Cosmo, Colorado State University’s Corpse flower, blooms in the Plant Growth Facilities’ Conservatory greenhouse on May 27, 2024. (Courtesy photo, John Eisele/Colorado State University)

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