The saguaro is a tree like cactus species which can grow to be over 20 m tall. The saguaro blossom is the state wildflower of Arizona. Its scientific name is given in honor of Andrew Carnegie. Saguaros have a relatively long lifespan. They may grow their first side arm any time from 75-100 years of age but some never grow one at all. Saguaros soak up the rainwater, Whenever it rains.
The cactus will visibly expand, holding in the water. It conserves the water and slowly consumes it. The night-blooming white and yellow flowers appear April through June and the sweet, ruby-colored fruit mature by late June. The flowers open well after sunset and remain open till mid-afternoon of the next day.