Priority Species 100% Costshare Program

Costshare Policies

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Leafy Spurge (Euphorbia esula)

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Black Henbane (Hyoscyamus niger)

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Spotted Knapweed (Centaurea stoebe)

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Oxeye Daisy (Leucanthemum vulgare)

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Baby's Breath (Gypsophila)

Scotch Thistle (Onopordum acanthium)

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Diffuse Knapweed (Centaurea diffusa)

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Dalmatian Toadflax (Linaria dalmatica)

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Purple Loosestrife (Lythrum salicaria)

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Yellow Toadflax (Linaria vulgaris)

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Common Tansy (Tanacetum vulgare)

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Japanese Knotweed (Reynoutria japonica)

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Sulfur Cinquefoil (Potentilla recta)

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Orange Hawkweed (Pilosella aurantiaca)

For the Priority Species program, the District offers to provide herbicide treatments to private landowners on certain priority noxious weed species free of charge.

  • Treatments will only be provided on species that are on the District's priority weed species list (below). Species may be added or removed from this list as the District deems necessary.

  • At least one of these priority species must be positively identified on the property.

  • The property owner must sign a landowner agreement with the District (link below).

  • The treatments must be performed by District employees.

  • Herbicide application equipment may include backpack sprayers and/or a drone sprayer. 

  • If you believe one of these species exists on your property, please fill out a service request form (below) and a District employee will assist you with identifying the plant.