Bloom Night 2022



Garden Pavilion | 6-10pm

Learn about the unique characteristics of the Peniocereus greggii.

Queen of the Night Exhibit

Exhibit House | 6-10pm

An exhibition in the Entry Gallery presents the Queen of the Night in all her glory, which includes objects from Tohono Chul’s Permanent Collection and artwork from local artists.

Musical Performances

Performance Garden | 6-10pm

Listen to the melody of Gamelan Dewi Malam.

Exhibit House | 7:30-9:30pm

Listen to the Celia Jose play the Native American Flute.

Drinks & Food

Spanish Colonial Garden | 6-10pm

Crazy for Noodles food truck will be here from 6-10 p.m. and cash bars by the Garden Bistro.

It has a hallowed place in Tohono O’ odham storytelling, an has inspired folk songs, paintings, thousands of photographs and even a perfume. The Night Blooming Cereus or Peniocereus greggii, the aptly nick named “The Queen of the Night,” creates an elusive flower, blooming en masse on select summer nights. Opening slowly at dusk, each beautiful, palm-sized flower wilts within a few hours of sunrise…

Since this particular species of cereus cannot self-pollinate, the plants must bloom on the same evening to ensure pollination, usually by hawk moths. The more blooms that are open the greater the chances of pollination. The true mystery of the Night Blooming Cereus is how the majority know when to bloom.

AT TOHONO CHUL we‘ve been studying this cereus for over 20 years and are still uncertain what exactly triggers the bloom. Our best scientific guess is there is some form of chemical signaling among the cacti that initiates it. Native to Southwestern North America, the Night Blooming Cereus looks like a bunch of dead sticks most of the year, only revealing its spectacular flower in the heat of the early Tucson summer. Tohono Chul planted and cultivated many of the cacti; others grew naturally on the grounds creating our world-class collection. Tohono Chul has the largest private collection of Peniocereus greggii in the world.

Join us for The Morning After

6:30 – 8 a.m. | Free Admission

The gardens open early at 6:30 a.m. the morning following Bloom Night to enjoy the last hours of the blooms before the sun starts to wilt their petals.

Tohono Chul @ Home

The Tohono Chul @ home Content Series is featuring the Queen of the Night! Enjoy videos, tutorials, photos, activities, giveaways, and more all devoted to The Queen herself.