Saguaro

Saguaro icon

Saguaro

Shrub
Saguaro
Saguaro

The giant cactus of the Sonoran Desert, whose pleated stem swells to drink in the rain and can weigh several tonnes.

💡 Fun Facts

  • This giant cactus can grow taller than three adults standing on each other's shoulders.
  • Its pleated stem swells up like an accordion to store water when it finally rains.
  • It grows so slowly it may not sprout its first 'arm' until it is 50 to 100 years old!
Name Story

Carnegiea gigantea

means “Carnegie's giant cactus”

What does its name mean?

The saguaro is named after Andrew Carnegie, who paid for the desert laboratory that studied it. Gigantea means 'giant' — and so it is, the largest cactus in the United States, living for up to 200 years.