© 2025 Boise State Public Radio
NPR in Idaho
Play Live Radio
Next Up:
0:00
0:00
0:00 0:00
Available On Air Stations
A regional collaboration of public media stations that serve the Rocky Mountain States of Colorado, Idaho, Nevada, New Mexico, Utah and Wyoming.

Zombie Trees can be dangerous

"Zombie tree"
Yvette Fernandez
Zombie trees are mostly dead

Fall is a time to enjoy the changing colors of the trees. But some trees can be dangerous. They’re called zombie trees and are responsible for dozens of deaths each year.

“Zombie trees” are trees that may look alive but are in a state of demise.

During the fall’s peak growing season, trees that look half dead – whether they are in a public park or your yard – can pose a significant risk, said Las Vegas arborist Ken Busse.

“If you have children and they’re playing in the backyard and your tree’s half dead, half alive – a small branch falling from 10-15 feet in the air and hits a child in the head, could be a big injury.”

Trees can be compromised by wind and ice storms as well as by ongoing issues like drought and pollutants.

“When they salt highways or roads that salt can wash off and the trees pick that up and can cause problems down the road,” Busse said.

Busse advises people to look out for ailing trees at parks but noted that trees don’t always show obvious signs of distress. Some can rot from the inside due to infestation or disease. Busse also recommends having trees on your property inspected annually.

This story was produced by the Mountain West News Bureau, a collaboration between YOUR STATION, Wyoming Public Media, Nevada Public Radio, Boise State Public Radio in Idaho, KUNR in Nevada, KUNC in Northern Colorado, KANW in New Mexico, Colorado Public Radio, KJZZ in Arizona and NPR, with additional support from affiliate newsrooms across the region. Funding for the Mountain West News Bureau is provided in part by the Corporation for Public Broadcasting and Eric and Wendy Schmidt.

Yvette Fernandez is the regional reporter for the Mountain West News Bureau. She joined Nevada Public Radio in September 2021.

You make stories like this possible.

The biggest portion of Boise State Public Radio's funding comes from readers like you who value fact-based journalism and trustworthy information.

Your donation today helps make our local reporting free for our entire community.