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Photographer's Note

The Saguaro cactus is the largest cactus in the United States and is exclusive to the Sonoran desert. In ideal growing conditions, Saguaro are reported to grow up to 24 inches in diameter and to about 30 feet in height; although a few may be larger. The cacti can live to be 150-200 years old and generate about 5 arms on average, taking about 75 years to grow it’s first arm. Arms are grown to enhance the plant’s reproductive capacity through flowers which bloom each spring and cluster near the ends of the main column and arms of the plant. The blooms open during the coolness of the desert night and close by the middle of the next day.

The cacti in this photo were mostly around 20 feet in height and as you can see, have been around long enough to develop a few arms to this point.

One of the features I noticed the most about all the cacti around me, was how they all stood so erect; hence the "attention" portion of the photo title in reference to people standing at attention. This shot was taken near Casa Grande, AZ (between Phoenix and Tucson off Interstate 10) about 30-45 minutes before sunset.

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