1. Projects

    Eradication: Class A Noxious Weeds Class A noxious weeds are Lewis County Noxious Weed Control's highest priority for early detection and rapid eradication. Generally, these noxious weeds are either entirely absent in Washington State or are only present in a very limited distribution. As such, and as required by law, the management goal for these weed species is total eradication in all plant parts. Garlic mustard, Giant hogweed, False brome and Milk thistle are all examples of Class A noxious weeds that have become more common in the state in recent years and could conceivably arrive in Lewis County from …


    Weed Control - March 20, 2015, 1:11 p.m.

  2. Public Education

    The Lewis County 911 Communications Public Education Officers attend events and generate media content to further the message of the proper use of 911 and several other topics.If you are interested in more information about Lewis County 911 Communications Public Education Program, or if you would like staff to participate in a public safety event, please email 911 Public Education at 911.publiceducation@lewiscountywa.govEVENTSSafety CityAs part of our goal to provide public education, we participated in the 2019 Safety City Program. This program partners with other Lewis County Emergency Services Agencies to provide education in 5 focus areas. The focus areas are …


    911 Communications - May 15, 2015, 5:57 p.m.

  3. Yellow Toadflax

    Linaria vulgaris Yellow Toadflax - A perennial growing 8-31 inches tall from creeping roots. Forms colonies.Leaves: Many narrow, linear leaves up to 4 inches in length, alternating along the stem.Flowers: Flowers bloom from June-September. Many flowers crowd the top 2-9 inches of the plant. Flowers are yellow, hairy, and have orange "throats." Resembles snapdragons.Habitat: Grows in a variety of habitats, including: roadsides, edges of fields, rangelands, meadows, cultivated fields, and waste areas.Weed Classification: CWhy is it a Noxious Weed?It can easily invade range and farmlands outcompeting desirable crops/forage. Livestock will rarely eat the plant.Yellow Toadflax can infest cultivated land easily, …


    Weed Control - Oct. 6, 2022, 9:33 a.m.

  4. Weed Control Contractors

    There are several contractors and vendors available for hire within Lewis County that are qualified to work with landowners to control noxious and invasive weeds. What we provide here is not a comprehensive list, but a great place to start. A printer-friendly version is available here: Vendors.Chemical Control (Commercial Applicators)Washington Vegetation Management Services, LLC. (360) 304-9826 Notes: Only does herbicide application, mostly broadcast with tractor but also does backpack spraying. Has aquatic pesticide endorsement. Based out of Cinebar, WA.Wolbert's Landscape Management (360) 736-7214 office / (360) 259-6752 cell Notes: Only does herbicide application, mostly broadcast with tractor but also does …


    Weed Control - Dec. 3, 2019, 1:14 p.m.

  5. Knotweed

    Fallopia x bohemica, Fallopia japonica, & Fallopia sachalinensis Bohemian knotweed is the hybridization of Giant and Japanese knotweeds. They vary slightly in the size and shapes of their leaves and flowers but otherwise look and behave very similarly.Knotweed - Clumping and spreading perennial hollow zig-zagging stems and long creeping rhizomes.Leaves: Large leaves are alternate, leathery, and oval. The base is slightly indented to deeply heart-shaped and leaf midveins have hairs.Flowers: Flower clusters commonly made up of male flowers and located at stem and branch tips. Clusters are around 8 to 13 ¾ inches long. Sepals are white to pinkish white …


    Weed Control - Sept. 13, 2022, 3:38 p.m.

  6. Poison Hemlock

    Conium maculatum Poison Hemlock - Very tall biennial that can grow up to around 12 feet in height. Stems will have purple splotches that help with identification.Leaves: Leaves are fern-like, toothed and finely divided. Look very similar to wild carrot leaves.Flowers: Flowers bloom from April-August. Flowers are small, white, and occur in 4–8-inch umbrella-shaped clusters.Habitat: Plant is highly adaptive, but prefers rich, moist soil.Weed Classification: B SelectWhy is it a Noxious Weed?The entire plant is toxic to animals and humans. Contains poisonous alkaloids, such as coniine. Poison Hemlock can spread quickly and infest large areas.Poison Hemlock should not be burned, …


    Weed Control - Sept. 29, 2022, 9:48 a.m.

  7. The State Noxious Weed Law

    The term "noxious" is a legal term, rather than botanical or technical. It is used to describe non-native plants that have been introduced to Washington from other parts of the world and have a damaging impact on the local industries that rely on having a healthy ecosystem and plant community, such as agriculture, etc. Because of their aggressive growth and lack of natural enemies in the state, these species can be highly destructive, competitive, or difficult to control. Noxious weeds can reduce crop yields, destroy native plant and animal habitats, severely limit recreational opportunities, clog waterways, lower land values, create …


    Weed Control - Jan. 10, 2012, 3:02 p.m.

  8. Info on Weed Species

    "Which list is which?" Every year, the Washington State Weed Board adopts a noxious weed list, which goes into effect on the first of January. In the following months, meaning the early months of each year, the Lewis County Noxious Weed Control Board adopts its own, county-level, weed list. This list includes a number of Class A and B-Designate noxious weeds that are received by the county as orders from the state, and are required for control. In addition, the county Weed Board also has the option to select additional Class B & C weeds to the list that are …


    Weed Control - Jan. 11, 2012, 8:50 a.m.

  9. Purple Loosestrife

    Lythrum salicaria Purple Loosestrife – Erect squarish stems, up to 8 feet tall, Leaves: 1 ½ to 4 inches long, lance-shaped and lack petioles, usually opposite and rotated 90 degrees from the previous node or whorled in sets of 3.Flowers: spikes of magenta flowers 4 – 16 inches long, flowers from July to October.Habitat: Found in wetlands and streams in the Centralia/Chehalis area as well as Stearns Creek and Mineral Lake in Lewis County.Weed Classification: B designateWhy Is It a Noxious Weed?Purple loosestrife is a vigorous competitor and can crowd out other vegetation including native species. It can quickly dominate …


    Weed Control - Sept. 12, 2022, 11:28 a.m.

  10. Services

    Weed Identification The most common question we get: "What's this weed?"We love this question, but do ask that you provide us with a good, representative sample, or even a series of photographs of the weed you are concerned about. Samples that include flowers or fruit are often essential for positive identification. Photos should include both close-up, detailed and high-resolution pictures of the stem, nodes, flowers or fruits, as well as pictures taken further back to see the overall shape and size of the plant. You can drop the sample off at the weed office or email us a photo. From …


    Weed Control - March 5, 2015, 2:14 p.m.