Featured Resources
Identification and Control of Knapweed Species in Central and Eastern Oregon
This publication describes potential hazards, management, and identification of knapweeds.
Controlling Invasive Plants
Some common garden plants have become invasive pests in wild habitats. In Oregon, these invasives include some favorites such as English ivy and butterfly bush.
Don't Let it Loose: Common Carp Koi
Educational poster of invasive Koi fish
Strangers In Our Waterways
This video explores the impacts of non-native species on our aquatic ecosystems.
Latest Resources
Pesticide Safety Education Program (PSEP)
Revamped team, revamped website! Check out the Pesticide Safety Education Program site to find out where and when your nearest CORE pesticide continuing education event is at and to register for the class. Need to fulfill Worker Protection Standard trainings? We have a list of trainings around Oregon scheduled and available for sign up. Have a large group that need WPS training? We can come to you!
Klamath River Parasite Song (The Ballad of Ceratonova Shasta)
This music video is a ballad created from research on Ceratonova Shasta, a parasite that affects salmon on the Klamath River in Oregon.
English ivy, it gets knocked down but it gets up again. Help!
I have a problem with ivy growing up the side of the garage. I beat it back again and again. Is there a way to rid myself of this? I hate poisons, but may be open to using some on this ivy.
Latest News
Roll up your sleeves: Invasive weeds need persistence to control
Feb 23, 2018
Invasive weeds enter backyards in multiple ways and once there can cause havoc.
In the egg, American bullfrogs learn how to avoid becoming lunch
Jul 5, 2017
Bullfrogs are implicated in the decline of many native species
In droughty Klamath Falls, watering trees may help defend against bronze birch borer
Jun 29, 2017
Symptoms of the voracious insect appear for the first time in Klamath Falls
