1. Curlyleaf Pondweed

    Potamogeton crispus Curlyleaf pondweed - The entire plant stays underwater, except for the flower stalk, and usually only grows in the spring before dying off in the late summer.Leaves: Leaves are alternate along the stem, submerged, and oblong in shape. They are also stiff with distinctly wavy edges and fine teeth.Flowers: Flowers bloom from June-August. Flowers are very small and have 4 petal-like lobes.Habitat: Grows in shallow or deep water that can either be still or flowing and tolerates disturbances.Weed Classification: C SelectWhy is it a Noxious Weed?This plant can form dense colonies on the surface that interfere with aquatic …


    Weed Control - Oct. 5, 2022, 4:38 p.m.

  2. Shiny Geranium

    Geranium lucidum Shiny Geranium - A small, annual or biennial herbaceous plant with basal, lobed, shiny leaves. Usually has reddish stems.Leaves: Rounded/kidney-shaped leaves. Leaves are divided into lobed sections that each have 3 lobes at the tip. Leaf stems have hair on one side.Flowers: Flowers bloom from April-June. Flowers are pink with 5 petals each. Each flower has 5 slightly expanded sepals.Habitat: Plant grows well in shaded woodlands and forest openings. Plant can also tolerate partial and full sun. May be found alongside Herb Robert.Weed Classification: B DesignateWhy is it a Noxious Weed?Shiny Geranium spreads aggressively and has moved into …


    Weed Control - Sept. 29, 2022, 9:49 a.m.

  3. Yellow Archangel

    Lamiastrum galeobdolon Yellow Archangel - Evergreen to semi evergreen plant that grows very quickly. It is mostly a trailing perennial, though it can grow upright if climbing other plants.Leaves: Opposite and oval shaped. Toothed and hairy typically with silver-gray markings.Flowers: Flowers bloom from April through June. Flowers are small, yellow, and two lipped. The upper lip is hooded, and the lower lip has orange/brown markings. Flowers grow in whorls.Habitat: Yellow Archangel can grow in shade or sunlight. Can sometimes escape people's landscaping into nearby forests, greenbelts, and riparian habitats.Weed Classification: B SelectWhy is it a Noxious Weed?Escapes easily from gardens …


    Weed Control - Sept. 29, 2022, 9:49 a.m.

  4. False Brome

    Brachypodium sylvaticum False Brome - A perennial, loosely tufted grass with upright stems.Leaves: Leaf sheathes have spreading hairs (can be hairless). Leaf blades are flat and arched up to 14 inches long. Leave blades are covered with long soft hairs.Flowers: Flowers bloom from April-June. Flowers are grouped in upright to nodding spikes. Flowers vary in hairiness and typically don't have stalks connecting them to main stem.Habitat: Grows in a variety of habitats including: forests, forest edges, woodlands, riparian areas, prairies, and roadsides.Weed Classification: AWhy is it a Noxious Weed?It spreads very fast and outcompetes native flora. Can form dense monocultures …


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

  5. 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.

  6. Reed Canary Grass

    Phalaris arundinacea Reed Canarygrass - A highly variable perennial plant, with rhizomes. Grows 3-6 feet in height.Leaves: Leaf blades are flat and smooth. The leaf has a wide connecting point to the stem.Flowers: Flowers bloom from June-July. Densely clustered flowers in panicles. 3 florets per spikelet and only one fertile spikelet. Flowers start out green-purple and change to tan/brown overtime.Habitat: Usually grows where ground is at least somewhat saturated during growing season. Habitats include: roadside ditches, river dikes, shallow marshes, wetlands, and meadows.Weed Classification: CWhy is it a Noxious Weed?A major threat to wetlands due to its aggressive nature. It …


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

  7. Adopted Plans

    The Lewis County Comprehensive Plan identifies a vision for the future for the community, and establishes a set of long-term goals, policies and land use patterns for growth over a 20-year period. The current version of the Comprehensive Plan is available below. Lewis County Comprehensive PlanComprehensive Plan (amended September 23, 2025)Zoning Map (amended September 23, 2025)Appendix A Land Capacity AnalysisAppendix B Housing Capacity and Housing Needs AssessmentAppendix C Capital Facilities PlanAppendix D Transportation Technical AnalysisAppendix E Community Engagement Summary ReportAppendix F Climate Memo A. County Assets and EvaluationAppendix G Climate Memo B. Climate Risk and Vulnerability AssessmentAppendix H Community Engagement …


    Community Development - Dec. 18, 2013, 8:16 a.m.

  8. Scotch Broom

    Cytisus scoparius Scotch Broom - Everyone's favorite noxious weed! A woody perennial shrub that has many branches. Plants can range from 3-10 feet tall.Leaves: Scotch Broom has few leaves. The upper leaves are simple with the lower leaves being 3 parted. Leaves are pointed at each end and can fall early in the year, leaving bare, green stems.Flowers: Flowers bloom from March through June. Typical pea family flowers in shape. Bright yellow in color with 5 petals.Habitat: Typically, can be found along roadsides, in pastures, grasslands, and open areas with recent soil disturbance.Weed Classification: B SelectWhy is it a Noxious …


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

  9. Italian Arum

    Arum italicum Italian Arum - Perennial, herbaceous plant that grows from tubers. Multiple tubers will be produced during growing season.Leaves: Leaves emerge in the fall-winter and will die back in the summer. Leaves are arrowhead-shaped, green, and possibly has cream or silver-gray colored veins and markings. Young leaves are generally more oval in shape.Flowers: Flowers bloom from April-June. Made up of a spathe and spadix, and grow into many red-orange berries in a cluster.Habitat: Normally found in forest understudies, riparian areas, wetlands, old gardens, woodland gardens, and disturbed areas near urban developments.Weed Classification: CWhy is it a Noxious Weed?It is …


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

  10. Wild Carrot

    Daucus carota Wild Carrot - An upright, taprooted herb that grows about 1-4 feet in height. Can be an annual, a short-lived perennial, or a biennial.Leaves: Leaves are thin and fern-like. Leaf segments are lance or linear in shape with toothed edges.Flowers: Flowers bloom from June-September. Flowers are in flat topped umbels and are small and white. The very middle of the umbel can have purple/darker flowers making it look like a black spot in the middle.Habitat: Commonly found in meadows, pastures, roadsides, waste areas, and yards.Weed Classification: C SelectWhy is it a Noxious Weed?It can spread easily and outcompetes …


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