A few weeks ago it was the driest place on Earth. Now it may be the most colorful.

Chile's Atacama Desert has erupted into one of the greatest floral displays ever recorded there, with roughly 200 plant species blooming across the normally barren landscape — some in patches where flowers haven't appeared since before the year 2000.

  • 200 plant species have burst into bloom across the Atacama
  • The widest and most vivid "desierto florido" event recorded in 30 years
  • Dormant seeds and tubers waited as long as two decades underground for enough rain
  • The bloom cycle lasts just 2-3 months before the desert goes quiet again

A seed bank that only rain can unlock

The phenomenon, known locally as the "desierto florido" or flowering desert, happens only in certain years when rainfall and temperature align just right to wake the desert's dormant seed bank.

This year's trigger was a Super El Niño weather event, which dumped record rainfall on the region through July and August. Floodwater soaked deep enough into the sandy soil to reach seeds that normally sit untouched by ordinary seasonal rain.

"This is a natural seed bank, a dormant archive that becomes a living one with the rains," said Moisés Grimberg, administrator of Llanos de Challe National Park, one of the areas hit hardest by the bloom.

"It's a race against time — this brief biological window allows these species to complete their life cycle, which lasts roughly two to three months," Grimberg said.

Scientists are racing the clock too

The sudden bloom isn't just a spectacle for photographers. It's also a rare research opportunity for botanists trying to safeguard Chile's plant diversity for the long term.

At the Atacama's Initihuasi Seed Bank — part of a nationwide network of institutions preserving the country's native flora — researcher Ana Sandoval and colleagues are busy collecting seeds generated by the newly pollinated flowers before the window closes.

"It's as if the desert is awakening," Sandoval said. "Sometimes people think it's an empty, arid place, devoid of life, but actually our desert is just waiting for the right conditions, and any precipitation, to awaken it."

The extra moisture is rippling up the food chain too. Researchers have reported more frequent, if still transient, sightings of reptiles, insects, bats and other pollinators, and even larger animals like the guanaco, a wild relative of the llama, moving through the blooming areas.

What happens after the flowers fade

The bloom's scale is already reshaping conservation plans. The local governor is now pushing to expand Llanos de Challe National Park to cover more of this year's flowering ground, and is seeking UNESCO World Heritage recognition for the phenomenon.

That would mirror a similar event in California's Death Valley, where a once-in-a-decade superbloom recently carpeted the desert floor in wildflowers — a reminder that arid landscapes around the world are capable of this same dramatic transformation when conditions line up.

For now, the priority in Chile is simple: get out into the hills, document what's blooming, and bank the seeds before this brief window closes. Read more on the bloom from NPR and track ongoing coverage from Good News Network.

Within a few months the color will fade and the Atacama will look like the driest place on Earth again — until the next rains finally come.