Lorelle Sherman

Photo of Lorelle in the woods on a trail.
she/her/hers

Forestry and Natural Resources Extension Forester , Assistant Professor (Practice)

541-713-5016
[email protected]

Expertise: Forest health and management , Nontimber forest products , Wildlife , Invasive species

Locations: Benton County , Linn County , Polk County

Department/Unit: Forestry and Natural Resources Extension

Content by Lorelle Sherman

What’s causing leaf damage to oak trees?

Q: Our oak tree is about 70 feet tall. This spring, it developed dried-out bunches of leaves starting at the ends of the branches. It's rapidly getting worse, with more branches looking like they're dying. What’s going on? Can it be stopped? I’m noticing many oaks have this issue.

A: View answer | View all featured questions

OSU Extension works with partners to fight emerald ash borer

Efforts to manage the emerald ash borer in Oregon help protect the state's ash trees and maintain the health of its forests and urban landscapes.

Dan Stark, Lorelle Sherman, Lauren Grand | Feb 2025 | Impact story

The western purple martin story

Discover how OSU Extension is helping bring back western purple martins by restoring bird nesting habitat and supporting conservation efforts in Oregon forests, and what you can do to help.

Lorelle Sherman | Dec 2024 | OSU Extension Catalog Peer reviewed (Gray level)

Statewide team works to slow emerald ash borer spread

OSU Extension and state partners launched a rapid, coordinated response to invasive pest.

Henry Carnell | Sep 27, 2024 | News story

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