The LA fires burned Angelenos' wild havens. A year later, nature is starting to recover

The destruction of last year’s January fires was devastating. Not just in how they leveled more than 16,000 structures and took at least 31 lives, but also how they stripped bare landscapes that many Southern Californians had become familiar with and had found solace visiting for decades. Hillsides that we’d long seen covered in dense green chaparral and coastal sage scrub were turned to ash, with the charred carcasses of native plants left behind.

However, nature moves fast, especially when there are large patches of open soil, sunlight and water to feed recovery. And recovery is what we're starting to see — both in good and bad ways.

“Recovery begins in the first growing season,” said Jon Keeley, research scientist with the U.S. Geological Survey.

On recent trips to the Santa Monica and San Gabriel mountains, where the Palisades and Eaton fires burned a year ago, the signs are sprouting.

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Manzanitas and oaks are regrowing from the bases of large plants that burned. Smaller, fast-growing showy pentstemon, hairy yerba santa and the pustule-causing poodle-dog bush are thriving now that competition has been removed.

But so are invasive plants like wild oats, bromes and mustard, which account for some of the green up.

What's growing?

A year after the fires, here are the plants you can see in the Eaton and Palisades burn scars.

Invasive Spanish brome growing in the Eaton Fire burn scar in December.

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A year after the Eaton Fire, new growth is sprouting from the base of badly burned plants.

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Poodle-dog bush, often found on post-fire landscapes, grows in the San Gabriel Mountains in December. Don't touch!

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Pines scorched by the Eaton Fire near the Mount Wilson radio towers in December.

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Oak resprouts from the base of a larger plant that burned in the Eaton Fire.

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Penstemon growing in the Eaton Fire burn scar in December.

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Dried out brome in the Eaton Fire burn scar in December.

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California sagebrush sprouts in the Palisades Fire burn scar in December.

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Invasive plants are popping up in rocky, often disturbed areas along trails burned by the Palisades Fire.

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Lupine seen growing in the Santa Monica Mountains in December.

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Goldenbush pops up among filaree in the Santa Monica Mountains in December 2025.

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Whether invasive species or natives take root long term depends on a variety of factors, including the age of the plants when they burned and how soon the area burns again, Keeley said.

Some of the Palisades Fire area hadn’t burned in about 60 years, according to state records, which may mean healthy native-plant recovery over the long term.

Walking the area recently, I saw native California sage brush, goldenbush and long leaf bush lupine, with some invasive grasses mixed in.

The Santa Monica Mountains, photographed from Mullholland Drive, on Jan. 21, 2025, just weeks after the Palisades Fire.

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In December 2025, the Santa Monica Mountains are green again, though non-native grasses fill quite a bit of the open space.

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Higher up in the San Gabriels, where the Eaton Fire burn scar has some overlap with the Bobcat (2020) and Station (2009) fires, native plants that have weathered repeated blazes may struggle to recover.

“If the fire occurs in areas that had burned within the last 15 to 25 years, then there's a good chance you're going to lose species," Keeley said. "And if you lose those species, they're replaced by non-native grasses.”

When fire occurs too frequently, native plant seedbanks can be destroyed, making recovery unlikely.

“ We've looked now at 65, 75, something like that, sites around the state over five years, and the pattern is pretty common,” Keeley said.

The nonnative grasses that replace native shrubs can often dry out and catch fire more easily than heartier natives. Shortening the interval between when wildfires can spread across a landscape, further challenging recovery. It’s a pattern that’s been documented across California — from the deserts to the mountains to the coastal hillsides.

Hope for native plants — and hard work

Even where invasive species have taken over, the hard work of conservation can help bring back natives. But fire is an ever-present threat, as Tree People learned.

For the past four years, the environmental conservation organization has been working to help reestablish native species near Castaic Lake. The work was arduous, with volunteers removing invasive plants across a 25-acre site and planting native oaks. And they were seeing good progress — until Jan. 22, 2025, when the Hughes Fire charred more than 10,000 acres, including their work area.

Oak sprouts from the base of a slim trunk in March 2025.

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A young oak puts out new growth in September 2025.

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“We brought the team out, and everyone was just kind of speechless,” said Alyssa Walker, Tree People’s associate director of conservation.

The site where they’d planted thousands of trees and worked for years was devoid of green.

But they didn’t give up. They watered seedlings they thought had the best chance of survival.

It's working.

They’re seeing the best recovery in areas where they did the most invasive plant clearance, Walker said. The baby oaks have also done remarkably well, as fire-adapted oak trees often do. And sawtooth golden bush, sunflowers, yerba santa and sugarbush, among others, are all making a comeback.

In the areas that had a lower density of invasive prior to the fire, native chamise can be seen regrowing about a year after the Hughes Fire.

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In an area dominated by invasive annual plants, invasive plants have come back.

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“We've seen things grow back, if not to their existing size, like beyond,” Walker said.

Native plants in areas that had a higher density of invasive plants before the fire are growing slower because of all of the extra competition.

What about mountain lions?

This uncollared mountain lion's habitat appears to be east of the 405 Freeway. Video captured on the morning of Sept. 7, 2019, shows it chasing P-61 in the area east of the freeway.

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Recent data gathered by the National Park Service in the Santa Monica Mountains area shows that since the Palisades Fire, at least one mountain lion, P-125, appears to be avoiding the burned area.

How other mountain lions are behaving is not yet clear, but the Woolsey Fire — which burned nearly 100,000 acres, including in the Santa Monica Mountains — offers insights into lion behavior after large fires.

After that 2018 fire, mountain lions favored areas that hadn’t burned and still had dense vegetative cover they could use to stay hidden and stalk deer, according to tracking data gathered by the Park Service over 15 months after the Woolsey Fire.

The fire squeezed the territorial cats into even smaller areas that are already fragmented by urban development.

“When you look at their post-fire behavior, because so much of the Santa Monicas were burned … they engaged in some riskier behaviors than they may have beforehand,” said Seth Riley, chief wildlife ecologist for the Santa Monica Mountains National Recreation Area.

That included crossing roads, one of the deadlier activities for mountain lions in Southern California. As was the case with P-61, who lived in the eastern Santa Monica Mountains.

P-61 crossed the 405 Freeway in the Sepulveda Pass, which is the first and only time that Riley and his colleagues had seen one of their collared lions cross that freeway. When the male lion reached Bel Air, he encountered another male lion, which chased him up a tree. Twenty minutes later, P-61 was killed by a car — crossing the 405 Freeway again.

Of the 11 lions that Riley and his colleagues were tracking around the Woolsey Fire, three died. P-61 was one.

P-74, they assume, got caught in the fire. Another, P-64, who lived in the Simi Hills and fled when the fire came through, was found dead two weeks later with badly burned paws. He chose to head back into the burned area instead of fleeing into neighborhoods full of people, Riley said.

When will normal return?

The Santa Monica Mountains, bisected by Mulholland Drive, about a year after the Palisades Fire. The area on the left was burned by the fire, while the area on the right, full of native vegetation, has not burned since 1944, according to Cal Fire records.

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I met Lawrence Szabo from Venice on a trail in the Santa Monica Mountains in mid-December. He was looking out across a canyon that had started to green up after heavy rains. We were just down the way from an oak tree that serves as a landmark for hikers and cyclists.

“ I've always viewed that oak tree as kind of my chapel,” he said. “I think that's what was the heaviest part of the fires. Not knowing whether it was still there. And then, when I turned the corner the first time and I saw it there, it pulled a tear, and I felt like we could keep going.”

Southern California plant and animal life has long been adapted to fire. Though, in their recovery they face new challenges including climate change, repeated fires and the phenomenon of car exhaust unhelpfully fertilizing plants.

Over the next 10 years, assuming invasive plants don’t take over, native plants will repopulate and spread. And in several decades our hillsides could once again be filled with the dense and beautiful chaparral and coastal sage scrub many of us grew up with.