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Noxious Weeds

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Many of the noxious weeds we have locally cause allergies and place properties at risk for spreading fire as they dry out.  Spring and early summer are the best time to begin managing your weeds, your neighbors will thank you for it. 

The City of Sandpoint inventories the presence of nuisance/ noxious weeds and their locations, if your property is noted to have weeds a letter will be sent requiring maintenance of the effected property.  Please review city code Title 4, Chapter 4 for details. To learn how you can help check out.

To report a noxious weed/nuisance problem contact the Weeds Superintendent at 208-265-1480 or

Submit the noxious weed report online 

Sandpoints Integrated Weed Management Plan

Weed Control Act




A good weed management plan uses more than one management strategy. The key to successful weed management is to create a favorable situation for desirable plant growth. Tilling, hoeing, hand pulling, mowing or mulching (mechanical methods) can be used to deal with weed problems. Herbicides are powerful tools, so they must be used with care. Herbicides can be one component of an integrated pest management (IPM) plan, not the only control method. Biological controls can be part of an IPM system, but they seldom eliminate the weed.

Prevention is the first line of defense to keep weeds from occurring or increasing in an area. Preventive techniques may include:

  • Education! Knowing how to identify weeds and being a good land steward will prevent weeds from entering your property.
  • Planting high-quality, weed-free crops or grass seed.
  • Laws, such as the Noxious Seed Act and Noxious Weed law, help stop weed problems before they start or spread.
  • Keeping weeds from going to seed. This is particularly important for annual and biennial weeds which only reproduce by seeds. Perennials may reproduce in a variety of ways, including by seed, root stock, stolons or stem sections. Preventing weeds from reproducing reduces new weed infestations.

Cultural control methods improve desirable plant growth which helps them resist weed invasion. Some cultural methods are:

  • Fertilization, which help desirable plants out-grow the weeds.
  • Irrigation, or proper watering, enables vegetation to out-compete weeds.
  • Planting seed to fill in a bare area will not allow weeds to grow.

Mechanical methods physically slow or kill weed growth. Mechanical weed control is the oldest and most often used method worldwide. Examples of mechanical control:

  • Tilling
  • Hoeing
  • Hand-pulling
  • Mowing
  • Burning (Generally not applicable in city limits)
  • Mulching

Biological control uses a living organism to slow weed growth. Often the organism is an insect, grazing animal or plant disease which is a natural enemy of the weed. Examples of biological control agents are:

  • Livestock, such as cattle, goats, sheep and llamas. However, improper livestock management (overgrazing) can be extremely damaging to the environment and make weed problems worse.
  • Insects that chew various parts of a weed can damage or kill the plant over time. Usually the immature stage of the insect does the most damage. Insects may do damage to a plant by eating flower seed heads or leaves, tunneling in stems and boring into roots.
  • Plant diseases, or pathogens, may also damage or kill weeds. Pathogens can be fungi, bacteria or viruses.

Chemical spraying involves herbicides, chemicals used to slow or kill weed growth. The first rules of using herbicides are to READ THE LABEL before using any pesticide and follow all directions and warnings.