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Blackberry (Himalayan & Cutleaf)
Rubus armeniacus & Rubus laciniatus Himalayan Blackberry Himalayan Blackberry Cutleaf Blackberry Cutleaf Blackberry Himalayan Blackberry - A rambling, evergreen, perennial, woody shrub with stout, hook-thorned stems.Leaves: Leaves are palmately compounded with 3-5 leaflets (5 is most common). Leaves have slightly toothed margins.Flowers: Flowers bloom from May-August. Flower clusters generally have between 5-20 flowers that have 5 petals and are white to rose in color.Habitat: Grows in a variety of habitats including forests, roadsides, railroad tracks, logged lands, field margins, and riparian areas.Weed Classification: CWhy is it a Noxious Weed?Himalayan Blackberry is very hard to control after a serious infestation has …
Weed Control - Oct. 6, 2022, 9:32 a.m.
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Giant Hogweed
Heracleum mantegazzianum Giant Hogweed - A perennial, or sometimes biennial, plant capable of growing 15-20 feet tall. Stout dark reddish-purple splotched stems and leaf stalks.Leaves: Leaves can grow up to 5 feet wide, and they are deeply cut/lobed and sharply toothed edges.Flowers: Flowers bloom from June-August. Flower clusters can grow 2.5 feet wide and are umbrella shaped with many small white flowers.Habitat: Can grow in a variety of habitats, but primarily found along roadsides, rights-of-way, vacant lots, streams, and rivers.Weed Classification: AWhy is it a Noxious Weed?Due to the plant's height, it forms dense canopies that outcompete native species. Plants …
Weed Control - Sept. 29, 2022, 10:57 a.m.
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Gorse
Ulex europaeus Gorse - A thorny perennial shrub that closely resembles Scotch Broom and can grow to be 10+ feet tall.Leaves: Leaves are small, dark green and trifoliate — having 3 thin leaflets. As they mature, they become spiny. The leaf axils also have spines.Flowers: Flowers bloom April - September. Bright yellow pea-like flowers form clusters near branch terminals.Habitat: Can grow in most habitats, but is especially prevalent in coastal environments.Weed Classification: B DesignateWhy is it a Noxious Weed? Aside from "noxious" growth habits, gorse also creates large physical barriers and poses significant wildfire risk due to the concentration of …
Weed Control - Sept. 29, 2022, 9:47 a.m.
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Small Works Roster - Facilities
If you would like your business to be considered for jobs contracted out by Facilities, please utilize the following information.To be placed on Lewis County Small Works Roster which is utilized both by Facilities and Public Works, in addition to being viewable by other municipalities and or individuals, please use the following application and resources to apply and find out more. Applications must be renewed every two years.Small works rosterSmall Works ApplicationProceduresBOCC Resolution* Any municipality utilizing this small works roster needs to contact Zelma Hammer at (360) 740-2612.Per reporting requirements of RCW 39.04.200, the above list is the usage of …
Sept. 24, 2025, 10:12 a.m.
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Spurge Laurel
Daphne laureola Spurge Laurel - An evergreen shrub that gets to be around 1.5 to 5 feet tall. Plants can either be upright or arched at the base before spreading upwards.Leaves: Leaves alternate and are more prominent towards the top of the shoots. They are dark green and shiny on the top with lighter undersides. Leaves are oval in shape and about 0.8-5.1 inches long.Flowers: Flowers bloom from March through June. Small, green and yellow flowers grow at the base of the leaves and are fragrant.Habitat: Commonly found amongst the forest understory. Spurge Laurel prefers partial sun.Weed Classification: B DesignateWhy …
Weed Control - Sept. 29, 2022, 9:49 a.m.
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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.
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Milk Thistle
Silybum marianum Milk Thistle - A large, sparsely branched thistle growing up to 6 feet tall. Easy to identify, due to the leaf patterning.Leaves: Alternate, deeply lobed, and pointed leaves. Leaves have a very noticeable white and dark green marbling. The basal leaves can get up to 20 inches long and 10 inches wide.Flowers: Flowers bloom from May-August. Rounded cluster of tubular flowers that have spine-tipped bracts (scales) around it.Habitat: Occurs in many places such as: overgrazed pastures, roadsides, waste areas, ditches, and disturbed areas.Weed Classification: AWhy is it a Noxious Weed?It is an aggressive invader that can grow into …
Weed Control - Sept. 29, 2022, 10:57 a.m.
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Common Catsear
Hypochaeris radicata Common Catsear - A perennial with a basal rosette of leaves, followed by upright/slightly bent stems that are usually leafless in its second year.Leaves: Leaves are rough and hairy, with lobed or waxy margins. Leaves can be 1.2-13.8 inches long and .2-2.8 inches wide.Flowers: Flowers bloom from May-October. Dandelion-like flowers that are yellow and disc like and are 1-1.5 inches across.Habitat: Common Catsear grows in disturbed areas, such as yards, roadsides, pastures, waste areas, gardens, and seed fields.Weed Classification: CWhy is it a Noxious Weed?It is a potentially poisonous, aggressively spreading plant that invades lawns and lowland pastures. …
Weed Control - Oct. 6, 2022, 9:32 a.m.
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Rush Skeletonweed
Chondrilla juncea Rush Skeletonweed - A perennial that grows 1-5 feet tall. It has a long slender taproot that can grow 7 feet in length.Leaves: Basal leaves are lobed and slightly curved towards the leaf base. The stems have very few leaves that are smaller and have smooth edges.Flowers: Flowers bloom from July-September. Flowers consist of many yellow ray flowers and are either single or clustered. They are about 1/2 inch in diameter with green bracts (scales) underneath.Habitat: Can be found in pastures, rangeland, cropland, roadsides, open and disturbed areas.Weed Classification: B DesignateWhy is it a Noxious Weed?Rush Skeletonweed can …
Weed Control - Oct. 5, 2022, 3:36 p.m.
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Yellowflag Iris
Iris pseudacorus Yellowflag Iris - A perennial, herbaceous, aquatic plant, growing 2-3 feet in height.Leaves: Basal leaves are sword shaped and larger than the leaves found higher up the stem.Flowers: There can be few or many flowers near the tip of the stems. Flowers are white-dark yellow with purple markings. There are 3 petals and 3 sepals.Habitat: Most commonly found growing in very shallow water or mud. It can also grow along lake shores and slow-moving rivers. It tolerates a variety of conditions.Weed Classification: C SelectWhy is it a Noxious weed?It is an ornamental that has become a nuisance in …
Weed Control - Oct. 6, 2022, 11:46 a.m.