Noxious Weed List
Jefferson County's Noxious Weed List
Eradication is required for:
Each of these files is in PDF format and requires Adobe Reader (free download) to view and print.
Chinese clematis (Clematis orientalis)
Cypress Spurge (Euphorbia cyparissias)
Myrtle spurge (Euphorbia myrsinites)
Oxeye daisy (Chrysanthemum leucanthemum)* portions of Jeffco
Orange hawkweed (Hieracium aurantiacum)
Plumeless thistle (Carduus acanthoides)
Purple loosestrife (Lythrum salicaria)
Russian knapweed (Acroptilon repens)
Spotted knapweed (Centaurea maculosa)
Salt Cedar (Tamarix sp.)
Yellow starthistle (Centaurea solstitalis)
Control is required for:
Canada thistle (Cirsium arvense)
Diffuse knapweed (Centaurea diffusa)* Portions of Jeffco require eradication
Hoary cress (Cardaria sp.)
Houndstongue (Cynoglossum officinale)
Leafy spurge (Euphorbia esula)
Musk thistle (Carduus nutans)
Scotch thistle (Onopordum sp.)
Teasel (Dipsacus sp.)
Yellow toadflax (Linaria vulgaris)
Other Weeds of Concern:
Common mullein (Verbascum thapsus)
Dalmatian toadflax (Linaria genistifolia)
Russian olive
(Elaeagnus angustifolia) link to USDA info
> Colorado's Noxious Weed List
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Last Modified: Oct 17, 2007 01:24 PM