Hope they left room in the Spheres for this thing.

A 21-foot-tall saguaro cactus has been loaded onto a truck out of Arizona and is destined for Amazon in Seattle in a stunt meant to show that the Tucson area is interested in becoming the home to the tech giant’s second headquarters.

SPECIAL COVERAGE: Amazon to build a second HQ in North America

Sun Corridor Inc., the economic development group for the region, is sending the iconic desert species to Jeff Bezos along with a message from Southern Arizona.

“We wanted to make sure Mr. Bezos and his team notice us and send a message of ‘we have room for you to grow here for the long term’ — nothing signifies that better than a saguaro,” said Joe Snell, president & CEO of Sun Corridor Inc, in a news release. “We’ll work with Governor Ducey and the Arizona Commerce Authority closely to submit a strong case.”

Like many cities and regions, Tucson is panning to submit an RFP to Amazon by mid-October to demonstrate why it’s best suited to land 50,000 high-paying technology jobs courtesy of Amazon and its need to grow beyond its hometown.

The Arizona Daily Star reported that the saguaro, which can grow over 40 feet tall, cost about $2,000 and was privately funded.

Amazon’s three glass-enclosed Spheres on its Denny Triangle campus are slated to open to employees in 2018. They will be home to hundreds of plants from all over the world — in a tropical climate that is strictly temperature and moisture controlled.