Saguaros in Bloom: Early Summer in the Sonoran Desert
May and June mean increasing heat in southern Arizona, but the still-cool mornings are a great time to get out and see the saguaros in bloom. The giant cacti put on a spectacular show, and the arms offer bouquets of waxy blooms that bees, bats and doves (and photographers) love to feast on.
The best places to see these around Tucson are in the Santa Catalina foothills, Sabino Canyon, Saguaro National Park, and the Arizona-Sonora Desert Museum on the western edge of the city.
[Both divisions of Saguaro National Park (East and West) as well as Sabino Canyon have visitors' centers--their gift shops are a good place to stock up on edible cactus products--the prickly-pear syrup is expensive, but makes great margaritas and is superb on pancakes...]