What are noxious weeds in Washington state?

What are noxious weeds in Washington state?

Noxious & Invasive Non-Native Plants English ivy, knotweeds, Scot’s broom, and tansy ragwort are extensive problems west of the Cascades. Knapweeds, leafy spurge, thistles and many others degrade eastern portions of the state. Loosestrife, milfoil, and parrotfeather clog waterways.

Who is responsible for destroying noxious weeds?

When noxious weeds are found on unoccupied or vacant land and the owner or person in control of the land resides outside the municipality, an inspector may enter on the land and destroy the noxious weeds without notice to any person.

How do I get rid of noxious weeds?

A good rule of thumb with noxious weed disposal is to safely dispose of the weeds instead of trying to compost or burn them at home. For noxious weeds that are poisonous or regulated in your county, use garbage bags and discard in the trash.

Why are noxious weeds bad?

Invasive species compete directly with native species for moisture, sunlight, nutrients, and space. Overall plant diversity can be decreased. Establishment and spread of invasive species can degrade wildlife habitat. Results in poor quality agriculture lands.

Who administers the Noxious Weeds Act 1999?

Local Control Authority
The Act is implemented and enforced by the Local Control Authority for the area, usually local government. See Section 1, Who’s Who in Noxious Weed Management.

Can you burn invasive plants?

Brush larger than 5 inches in diameter can’t be burned. Invasive plants with easily airborne seeds like black swallow-wort with mature seed pods (indicated by their brown color) shouldn’t be burned as the seeds may disperse by the hot air created by the fire.

Where did noxious weeds come from?

Noxious weeds are plants that are not native to our area. Most have come from Europe or Asia either accidentally or as ornamentals that have escaped. These plants have an advantage because the insects, diseases, and animals that would normally control them are not found here.

Which weeds are invasive?

Common invasive weeds – also called noxious weeds – include Scotch and other brooms, English ivy, various thistles, knapweeds, knotweeds, and many others. We have provided fact sheets and other resources to help you manage invasive weed problems.