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Spectacular Arizona Sunset, McDowell Sonoran Conservancy Gateway Trailhead in Scottsdale, Arizona

Saguaro cactus forest in the Sonoran Desert near Phoenix, Arizona

Fire sky at sunset with cacti and mountains in background

sunset with mountains and palm trees on holiday

Tucson Arizona with orange skies and saguaro cacti or ridge line in silhouette with copy space

$The Saguaro Cactus (Carnegiea gigantea) is one of the iconic plants of the Sonoran Desert in Southern Arizona and Western Sonora, Mexico. These plants are large cacti that develop branches as they grow and mature. The branches generally bend upward but not always. The fluted trunks and branches of the saguaro are covered with protective spines. In the late spring the plant develops white flowers and red fruit forms in the summer.\n\nSaguaros are found only in the Sonoran Desert. To thrive they need water and the correct temperature. At higher elevations, the cold weather and frost can kill the saguaro. The Sonoran Desert experiences monsoon rains during July and August. This is when the saguaro obtains the moisture it needs to survive and thrive. These saguaro cacti were silhouetted at sunset in Catalina State Park near Tucson, Arizona, USA.$