Protecting Washington's Environment and Economy from Harmful Invasive Species

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July 17, 2025  in  Olympia
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Governor Declares Invasive Species Awareness Week

OLYMPIA–Gov. Bob Ferguson, in partnership with the Washington Invasive Species Council, has proclaimed February 24-28 as Washington Invasive Species Awareness Week in solidarity with National Invasive Species Awareness Week. “Invasive species and noxious weeds already are a big problem in Washington and species that have yet to reach our state could pose even greater challenges […]

February 10, 2025Read More

Invasive Species Council Recognizes Leaders

OLYMPIA–The Washington Invasive Species Council recognized three top leaders for achievements in managing and preventing the spread of invasive plants and animals at a first-of-its-kind recognition awards ceremony in December. “These are new awards, and they celebrate the contributions of people who are working hard to protect Washington’s rich natural heritage and ensure that non-native […]

December 9, 2024Read More

State Asks Public to Check Trees for Invasive Pests this August

OLYMPIA – Several state agencies are asking the public to take ten minutes this month to check trees in their communities for signs of invasive insects. The Washington Invasive Species Council, Washington State Department of Natural Resources Urban and Community Forestry Program, Washington State Department of Agriculture and Washington State University Extension come together each […]

August 6, 2024Read More
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Tis the season for pretty flowers, but be mindful of what you are seeing! Poison hemlock is a noxious weed present in Washington that boasts dainty clusters of white flowers. This plant is toxic to livestock and if ingested, can cause poisoning in humans as well. Additionally, the plant’s sap has the potential to cause both skin irritation upon contact and nasal irritation if inhaled. Not sure if you have poison hemlock or a look-alike? A key characteristic to look for is purple/dark red splotches on the stem. Poison hemlock can also grow to be over ten feet tall! To remove poison hemlock, do not mow, as it will just regrow. Always wear gloves when handling the plant, and try to remove the entire plant, ensuring the roots are pulled up as well. To learn more about poison hemlock, visit: https://invasivespecies.wa.gov/priorityspecies/poison-hemlock/ ... See MoreSee Less
This cute little youngster is a northwestern pond turtle, a reptile whose native range extends from Washington to California. Unfortunately, baby northwestern pond turtles are one of the invasive American bullfrog’s most favorite menu item. A recent project in Yosemite National Park highlights some heartening news about what happens when the invasive predators are removed. Before the project’s start, scientists at UC Davis observed that northwestern pond turtle populations consisted mostly of older, large adults. The youngsters were getting gobbled up repeatedly by the invasive bullfrogs. So, researchers launched an effort to remove the bullfrogs. Resulting monitoring has demonstrated that baby turtles are making a comeback! Additionally, the researchers noted that they began to hear the calls of native frogs again. This is just one of many stories highlighting the importance of preventing the spread and introduction of invasive species. Please do your part and learn about our priority species (see comments) and how to report sightings! Full bullfrog story: https://www.yahoo.com/news/invasive-frog-fit-baby-turtles-140000770.html ... See MoreSee Less
The official start of summer is just around the corner, and perhaps vacation is on your mind! Regardless of where you may be headed this summer, we are asking you to be mindful of what souvenirs you bring back. Invasive pests and diseases can be introduced to the United States through souvenirs, especially fresh food and live plants, that is brought back from abroad. A multi-agency effort, called ‘Don’t Pack a Pest’, is here to help and raise awareness of this high-risk pathway. The ‘Don’t Pack a Pest’ website has a thorough list of items that are not permitted to enter the United States. Additionally, there is information on declaring agricultural products. Check it out before you travel and help safeguard the United States from invasive species! https://www.dontpackapest.com/ ... See MoreSee Less
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