Tohono Chul Park
Bloom Night
The Queen of the Night Peniocereus greggii or night-blooming cereus, in all her glory.
Mystery. Majesty. Beauty.

What is Bloom Night?
Each year, for one evening only, Tohono Chul
opens its doors to visitors from around the
world to experience the mystery, majesty and
beauty of the Queen of the Night, the night-blooming cereus Peniocereus greggii.
The Queen of the Night is here in abundance as
Tohono Chul is home to the nation’s largest collection.

When the summer heat begins to build, the buds of the night-blooming cereus begin to appear. After a period of start-and-stop growth, the buds blossom in a mass blooming on one night between the end of May and late July. Experience the magnificent Peniocereus greggii in its full glory; stroll luminaria illuminated trails leading to each plant; marvel at their gorgeous flowers; breathe in their intense and intoxicating scent.

Get Bloom Night Updates!
Click Here to Join the Bloom Watch email list. You will be prompted to enter your email address. Once you’ve entered your email address, click continue and then select the Bloom Watch email list.

Bloom Watch emails will update you on the progress of the blossoms right up to the day we announce Bloom Night. The mass blooming of the Queen of the Night is hard to predict! Sometimes there are as little as 12 hours between the announcement of Bloom Night and Bloom Night itself.

Watch a Video about the Queen of the Night
The mystery of the Peniocereus Greggii comes to life in this AZPM Arizona Illustrated segment on the flower and Bloom Night. Click here to watch.

Bloom Night Facts
♦ Admission is Free for members and children 12 and under. $5 admission fee for non-members.

♦ During Bloom Night you’ll be able to participate in a raffle to win your own Queen of the Night, or purchase them from our greenhouse.

♦ If the elegant scent of the Queen of the Night strikes your fancy we offer a line of Desert Queen Bath and Body products, imbued with the flower’s fragrance.

Bloom Night 2012 Wrap-Up
2011′s winter rains left the night-blooming cereus plants in the best condition we had seen for many years. Our 21st annual bloom night was a tremendous success. The Flowers began to open around sunset and became very fragrant by about 10 p.m. The final bloom count on Bloom Night was 89 flowers on 42 plants. By late June, the year’s bloom tally for 2012 was 146 flowers on 58 plants.

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