Report a noxious weed

The Weed name and Location fields are required.

Please fill in your name and contact information in case we need more specific directions, or if you would like a follow-up on what we found. This information will not be shared with anyone if you would prefer to remain anonymous.

Name (required):

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E-mail address:

Address:

City and Zip code:

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Weed Name:
select common name... Annual bugloss, Anchusa arvensis Absinth wormwood, Artemisia absinthium Bighead knapweed, Centaurea macrocephala Black knapweed, Centaurea nigra Blueweed or Viper's bugloss, Echium vulgare Brazilian elodea, Egeria densa Brown knapweed, Centaurea jacea Buffalobur, Solanum rostratum Clary sage, Salvia sclarea Common bugloss, Anchusa officinalis Common cordgrass, Spartina anglica Common crupina, Crupina vulgaris Common hawkweed, Hieracium lachenalii Common reed or phragmites, Phragmites australis Dalmatian toadflax, Linaria dalmatica spp.dalmatica Dense-flowered cordgrass, Spartina densiflora Diffuse knapweed, Centaurea diffusa Dyer's woad, Isatis tinctoria European hawkweed, Hieracium sabaudum Brachypodium sylvaticum, False brome Fanwort, Caboma caroliniana Floating primrose-willow, Ludwigia peploides Flowering-rush, Butomus umbellatus French broom, Genista monspessulana Garden loosestrife, Lysimachia vulgaris Garlic mustard, Alliaria petiolata Giant hogweed, Heracleum mantegazzianum Goatsrue, Galega officinalis Gorse, Ulex europaeus Hairy willowherb, Epilobium hirsutum Houndstongue, Cynoglossum officinale Hydrilla, Hydrilla verticillata Kochia, Kochia scoparia Kudzu, Pueraia montana var.lobata Leafy spurge, Euphorbia esula Meadow clary, Salvia pratensis Meadow knapweed, Centaurea jacea x nigra Mediterranean sage, Salvia aethiopis Mouseear hawkweed, Hieracium pilosella Milk thistle, Silybum marianum Musk thistle, Carduus nutans Orange hawkweed, Hieracium aurantiacum Parrotfeather, Myriophyllum aquaticum Perennial pepperweed, Lepidium latifolium Policeman's helmet, Impatiens glandulifera Purple loosestrife, Lythrum salicaria Purple starthistle, Centaurea calcitrapa Reed sweetgrass, Glyceria maxima Rush skeletonweed, Chondrilla juncea Russian knapweed, Acroptilon repens Saltcedar, Tamarix ramosissima Saltmeadow cordgrass, Spartina patens Scotch thistle, Onopordum acanthium Shiny geranium, Geranium lucidum Slenderflower thistle, Carduus tenuiflorus Smooth cordgrass, Spartina alterniflora Spanish broom, Spartium junceum Spotted knapweed, Centaurea stoebe Sulfur cinquefoil, Potentilla recta Syrian bean-caper, Zygophyllum fabago Tall hawkweed, Hieracium piloselloides Tansy ragwort, Senecio jacobaea Texas blueweed, Helianthus ciliaris Velvetleaf, Abutilon theophrasti Vochin knapweed, Centaurea nigrescens Water primrose, Ludwigia hexapetala Wild four o'clock, Mirabilis nyctaginea Wild chervil, Anthriscus sylvestris Yellow floating heart, Nymphoides peltata Yellow hawkweed, Hieracium caespitosum Yellow nutsedge, Cyperus esculentus Yellow starthistle, Centaurea solstitalis or select scientific name... Abutilon theophrasti, Velvetleaf Acroptilon repens, Russian knapweed Alliaria petiolata, Garlic mustard Anchusa arvensis, Annual bugloss Anchusa officinalis, Common bugloss Anthriscus sylvestris, Wild chervil Artemisia absinthium, Absinth wormwood Brachypodium sylvaticum, False brome Butomus umbellatus, Flowering-rush Caboma caroliniana, Fanwort Carduus nutans, Musk thistle Carduus tenuiflorus, Slenderflower thistle Centaurea calcitrapa, Purple starthistle Centaurea diffusa, Diffuse knapweed Centaurea jacea, Brown knapweed Centaurea jacea x nigra, Meadow knapweed Centaurea macrocephala, Bighead knapweed Centaurea nigra, Black knapweed Centaurea nigrescens, Vochin knapweed Centaurea solstitalis, Yellow starthistle Centaurea stoebe, Spotted knapweed Chondrilla juncea, Rush skeletonweed Clematis orientalis, Oriental clematis Crupina vulgaris, Common crupina Cynoglossum officinale, Houndstongue Cyperus esculentus, Yellow nutsedge Echium vulgare, Viper's bugloss Egeria densa, Brazilian elodea Epilobium hirsutum, Hairy willowherb Euphorbia esula, Leafy spurge Galega officinalis, Goatsrue Geranium lucidum, Shiny geranium Glyceria maxima, Reed sweetgrass Helianthus ciliaris, Texas blueweed Heracleum mantegazzianum, Giant hogweed Hieracium aurantiacum, Orange hawkweed Hieracium caespitosum, Yellow hawkweed Hieracium floribundum, Yellow devil hawkweed Hieracium glomeratum, Queen-devil hawkweed Hieracium lachenalii, Common hawkweed Hieracium pilosella, Mouseear hawkweed Hieracium piloselloides, Tall hawkweed Hieracium sabaudum, European hawkweed Hieracium spp., Hawkweed non-native and invasive Hydrilla verticillata, Hydrilla Impatiens glandulifera, Policeman's helmet Isatis tinctoria, Dyer's woad Kochia scoparia, Kochia Lepidium latifolium, Perennial pepperweed Linaria dalmatica spp.dalmatica, Dalmatian toadflax Ludwigia hexapetala, Water primrose Ludwigia peploides, Floating primrose-willow Lysimachia vulgaris, Garden loosestrife Lythrum salicaria, Purple loosestrife Mirabilis nyctaginea, Wild four o'clock Myriophyllum aquaticum, Parrotfeather Nymphoides peltata, Yellow floating heart Onopordum acanthium, Scotch thistle Phragmites australis, Phragmites Potentilla recta, Sulfur cinquefoil Pueraia montana var.lobata, Kudzu Salvia aethiopis, Mediterranean sage Salvia pratensis, Meadow clary Salvia sclarea, Clary sage Senecio jacobaea, Tansy ragwort Silybum marianum, Milk thistle Solanum rostratum, Buffalobur Spartina alterniflora, Smooth cordgrass Spartina anglica, Common cordgrass Spartina densiflora, Dense-flowered cordgrass Spartina patens, Saltmeadow cordgrass Spartium junceum, Spanish broom Tamarix ramosissima, Saltcedar Ulex europaeus, Gorse Zygophyllum fabago, Syrian bean-caper
or type weed name:
Note: property owners and public agencies are not required to control non-regulated noxious weeds or weeds of concern, but we are able to offer technical assistance on control options for these more widespread weeds. Please feel free to contact us (noxious.weeds@kingcounty.gov) for more information on these or any other weeds.

The location of the weed: (please include city or area in King County, address if known, and specific location on property; in order to help up find it, provide as much detail as possible on the location.)

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