The Incredible Saguaro Cactus Flower
Right before the summer heat and sun settle in, Southern Arizona experiences one of its best seasons –Saguaro Cactus Blooming Season!
These incredible white blossoms are Arizona’s state flower and are definitely one of the more interesting state flowers in the United States.
About Saguaro Cacti
Saguaro cacti are an iconic symbol of our region. They’re a fruit-bearing plant, providing resources to wildlife and Indigenous peoples alike for thousands of years. The white flowers that burst forth from them in the late springtime are necessary for the cacti to produce that fruit.
The scientific name for the saguaro cactus is Carnegiea gigantea, in honor of Andrew Carnegie. The billionaire businessman and philanthropist supported botanical research. He initially didn’t want the giant cactus named in his honor, but he eventually relented, and the name was made official after his death.
Before we go much further, we should make sure you know how to say “saguaro” correctly. It’s pronounced “suh-WAR-oh”. Once you get that right, you’ll fit right in with the locals!
Peak Blooming Season
During peak blooming season, each white flower opens and closes within about 24 hours. A single cactus may be covered with scores of blooms, looking like fingertips on the cactus’s arms! Peak blooming season typically takes place in late April, early May, and late June, but in some years, the flowers can bloom as early as mid-April, depending on weather conditions.
The flowers are pollinated by birds, bees, and bats, and are distributed like trees: they can be found either all alone or in dense concentrations, as if in a forest, in places like Saguaro National Park. The largest concentrations are typically found on mountain and hill slopes.
Numerous blooms open each day on each cactus, creating an exotic display unique to the Sonoran Desert. While you’re here, you can also see several other cactus flowers blooming, including the yellow flowers of prickly pears and the pink flowers of hedgehog cacti.
Learn about the Saguaro Flower Power Project at Saguaro National Park here.
Harvesting of Saguaro Fruit
Stick around, because June is when the delicate white blossoms that’ve been pollinated develop into ruby-red fruits. The fruits are eaten by birds and bats, as well as dedicated people who harvest them at the peak of the summer heat, just a few weeks before the monsoon rains arrive.
Saguaro fruit harvesting is a tradition practiced for thousands of years by the Indigenous peoples of the Sonoran Desert and continues to this day. The fruits are gently knocked off the cactus with a special pole that is traditionally made from saguaro cactus ribs. The ribs are a hard, sturdy wood used for roofing support, rafters, fences, walls, and furniture.
The fruits are cooked and strained into a fine, thick syrup, with sugar added for preservation. The syrup can be used as-is or made into jam. The flavor is similar to plums and raspberries, with a deeper texture and flavor.
Although the fruit is not commercially produced, you can occasionally find it at farmers' markets and on menus at local restaurants.
Where to See Saguaro Cactus Flowers
Frequently Asked Questions
What is Arizona's state flower?
The saguaro cactus blossom is Arizona's state flower. It officially became the state flower in 1931.
What does the saguaro flower look like?
The flowers are white, about 3 inches in diameter, and are usually found near the tops of the stems and arms of the cactus. They emit a strong smell, somewhat like overripe melons or honey.
When does the saguaro cactus bloom?
Saguaro flowers start to bloom in the first week of May and continue through the first week of June; although they can bloom as early as mid-April, depending on weather conditions.
How long does each flower bloom?
During peak blooming season, each white flower opens and closes within about 24 hours. However, a single cactus may have hundreds of flowers, with several blooming at a time over more than a month.
What pollinates the saguaro flower?
During the night, the flowers are pollinated by bats. During the daytime, bees and birds.
What is the cultural significance of the saguaro fruit harvest?
Saguaro fruit harvesting is a tradition practiced for thousands of years by the Indigenous peoples of the Sonoran Desert, which continues to this day. The fruits are gently knocked off the cactus with a special pole traditionally made from saguaro cactus ribs.
What is the scientific name of the saguaro cactus, and how did it get its name?
The scientific name is Carnegiea gigantea, given in honor of Andrew Carnegie, the billionaire businessman and philanthropist who supported botanical research. He initially didn't want the giant cactus named after him, but eventually relented, and the name was made official after his death.
Where is the best place to see saguaro flowers near Marana?
Flowering saguaro cacti dominate the landscape at Saguaro National Park West in May. The largest concentrations are typically found on mountain and hill slopes.
Is it legal to pick or disturb saguaro cacti or their flowers?
Because the saguaro cactus is a candidate for the endangered species list, harming these cacti in any manner, for any reason, is illegal in the state of Arizona.
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