1. Hawkweeds

    Hieracium spp. Orange Hawkweed Mouseear Hawkweed Hawkweeds - Most hawkweed species are hairy and have a milky latex in their stems.Leaves: Most species will have basal leaves. Stem leaves can vary by subgenus. Leaves can be smooth, toothed, or lobed.Flowers: Blooms typically May - Sep. Most non-native species will have yellow ray flowers, but some species can have orange flowers as well. Flowers looks similar to dandelion flowers.Habitat: Typically found in fields, meadows, pastures, forest clearings, and disturbed areas like roadsides and abandoned farmland.Weed Classification: B DesignateWhy is it a Noxious Weed?The plants are invasive, spread easily, and negatively impact …


    Weed Control - Sept. 29, 2022, 9:47 a.m.

  2. Eggleaf Spurge

    Euphorbia oblongata Eggleaf Spurge - Upright perennial growing about 3 feet tall. Has a woody, branched taproot. Plant stems covered in fine white hairs.Leaves: Alternate and hairless leaves that are oblong and finely toothed. Prominent midvein is visible.Flowers: Flowers bloom from May-July. Clustered flowers with a few male flowers and one female flower. Clusters have yellow bracts (scales) at their base followed by a whorl of yellowish green leaves.Habitat: Typically found in damp meadows, streambanks, shadow woodlands, dry hillsides, roadsides, and waste areas.Weed Classification: AWhy is it a Noxious Weed?Originally introduced as a garden ornamental. This plant is invasive and …


    Weed Control - Sept. 29, 2022, 10:46 a.m.

  3. Lakes - Aquatic Weed Treatments

    Aquatic weeds pose a variety of risks, including flooding, habitat degradation, impeding water flow, decreasing recreational opportunities, and much more. Often forgotten about and less visually obvious to most people, aquatic weeds are frequently going under the radar. It is important for the public to be aware of the presence of aquatic weeds in the water bodies they visit and take measures to prevent their spread!The PlayCleanGo campaign provides excellent information on necessary precautions and procedures that should be taken by all, in order to reduce the spread of aquatic noxious weeds. Stop Aquatic Hitchhikers also offers a variety of …


    Weed Control - Sept. 6, 2022, 12:10 p.m.

  4. Tree of Heaven

    Ailanthus altissima Tree of Heaven - A deciduous tree growing up to 60 feet tall. Plant parts may be identified by a distinctive peanut butter/popcorn smell.Leaves: Leaves are compound and alternate, and each leaf has anywhere from 10-27 leaflets usually. Leaflets are mostly smooth-edged, except for a few rounded teeth and a visibly large gland on the underside, towards the base of the leaf.Flowers: Flowers bloom from May-July. Trees will either have male or female flower clusters at the tips of the stems with the male flowers being larger. Flowers are light green-yellow in color.Habitat: Commonly found near forest edges, …


    Weed Control - Oct. 6, 2022, 9:32 a.m.

  5. Yellow Flag Iris

    Iris pseudacorus Yellow Flag Iris - Perennial invasive ornamental that grows 2-3 feet tall, is considered toxic to herbivores and contains a skin-irritating sap.Leaves: Broad, flat sword-shaped basal leaves that reduce in size going up the stemFlower: Multiple flowers appear at stem terminals, can be pale to dark yellow, have 3 sepals and 3 petals with its petals shorter than its sepals. Blooms visible May - July.Habitat: Grows in wetlands along the margins of lakes and slow moving rivers. It is most commonly found in shallow water or mud such as those in wet ditches.Weed Classification: C SelectWhy is it …


    Weed Control - Sept. 12, 2022, 12:12 p.m.

  6. 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.

  7. Parrotfeather

    Myriophyllum aquaticum Parrotfeather - An escaped ornamental that is submerged until it grows long enough to reach the surface where it will then have emergent leaves. This plant has a unique highly hydrophobic property that allows its leaves to hold bubbles of air.Leaves: Featherlike with whorled formation of 4 to 6 leaves. The subsurface leaves are darker than the emerged leaves which are bright green and resemble little fir tree seedlings.Flowers: Inconspicuous whitish flowers found at the leaf axils of emerging stems during summer months.Habitat: Found in freshwater ponds, streams, lakes and rivers. Tends to be rooted in shallow muddy …


    Weed Control - Sept. 26, 2022, 11:33 a.m.

  8. 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.

  9. Kudzu

    Pueraria montana var. lobata Kudzu - A perennial trailing or climbing vine. It grows at a very fast rate and can easily take over an area if left unchecked.Leaves: Alternate and compound leaves with three oval shaped leaf sections.Flowers: Flowers bloom from May-June. Purple to reddish purple flowers clustered along a center stem that grows about a foot long. The flowers are similar to pea flowers and are fragrant.Habitat: Well drained eroded or degraded land or sandy loam soils in full sun.Weed Classification: AWhy is it a Noxious Weed?A highly aggressive plant that smothers anything in its path. It can …


    Weed Control - Sept. 29, 2022, 10:57 a.m.

  10. Contact

    This contact page is for general inquiries and comments. If you are seeking records pursuant to RCW 42.56 Public Records Act, please submit your request to our Public Records Office via the Records Center Portal at https://lewiscountywa.gov/departments/public-records/ Please select the department or office below that you would like to contact. Offices Assessor Auditor Clerk Commissioners Coroner District Court Prosecutor Superior Court Treasurer Departments Airports Budget Community Development Emergency Management Environmental Health Information Technology Juvenile Court Human Resources Public Health Public Records Public Works Risk Management Solid Waste Weed Control For technical support please click here.


    Feb. 22, 2019, 5 p.m.