Oklahoma

Emerald ash borer (EAB) was first confirmed in the state of Oklahoma in Delaware County on October 12, 2016. 

State-Specific EAB Information: 

• Oklahoma Tree Insects and Disease Issues 

• Oklahoma State University – EAB Website 

Contacts for EAB Information or Reports:

• Oklahoma APHIS Contact:

  Dustin Grant, Acting State Plant Health Director

  Email: dustin.r.grant@usda.gov

  Phone: 575-494-5413

  Fax: 405-609-8841

  Mailing Address:

  301 NW 6th St.

  Suite 101

  Oklahoma City, OK 73102

Quarantine:

Oklahoma has an active quarantine in effect for counties with reported cases of EAB.

• The quarantine regulates the movement of potentially-contaminated wood products including any ash products and all hardwood firewood.

Ash Tree Alternatives:

• Oklahoma is in USDA Hardiness Zones 6-8 

• Ash Tree Alternatives By Zone 

List of Counties reporting EAB:

• Carter (2024)

• Choctaw (2024)

• Delaware (2016)

• McCurtain (2024)

This page was updated on June 16, 2025.