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The Courthouse and offices will be CLOSED Thursday, July 4, 2024 in observance of Independence Day. Normal hours will resume Friday, July 5, 2024. (The Auditor's Office will also be CLOSED Friday, July 5, 2024.)

Noxious Weeds

A noxious weed is a plant that is injurious to desired vegetation. Noxious weeds pose a significant threat to agricultural and conservation lands due to their ability to out-compete native species for resources and eventually become the dominant species in an area.

Weeds for Eradication

Palmer Amaranth

Amaranthus palmeri

Weeds for Control

Bull Thistle

Cirsium lanceolatum

Canada Thistle

Cirsium arvense

European Morning Glory or Field Bindweed

Convolvulus arvensis

Leafy Spurge

Euphorbia esula

Multiflora Rose

Rosa multiflora

Musk Thistle

Carduus nutans


Dipsacus spp

All other species of thistles belonging in the genus of Carduus

Other Noxious Weeds

Primary: Control only if necessary


Rhamnus frangula

Horse Nettle

Solanum carolinense

Perennial Pepper-Grass

Cardaria draba

Perennial Sow Thistle

Sonchus arvensis

Quack Grass

Elymus repens

Russian Knapweed

Acroptilon repens

All other species of thistles belonging in the genera of Cirsium and Carduus

Secondary: Illegal to Transport Seed or Sell


Plantago lanceolata


Abutilon theophrasti


Xanthium commune

Poison Hemlock

Conium maculatum

Puncture Vine

Tribulus terrestris


Sorghum bicolor

Sheep Sorrel

Rumex acetosella

Smooth Dock

Rumex altissimus

Sour Dock

Rumex crispus


Dipsacus spp.

Wild Carrot

Daucus carota

Wild Mustard

Sinapis arvensis

Wild Sunflower

Helianthus annus

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Mission Statement

The mission of Boone County is to be accountable to its citizens in providing innovative and high-quality government services in an economical, fair, professional, and courteous manner to enhance and protect the health, welfare, and safety of those who live and work in Boone County.