Prohibited Noxious Weeds
For the current list of prohibited noxious weeds, see OAC 901:5-37-01. There is also a list of prohibited and restricted weed seeds, which can be found at OAC 901:5-27-06. The following plants are designated "prohibited noxious weeds":
- Apple of Peru (Nicandra physalodes)
- Canada thistle (Cirsium arvense)
- Columbus grass (Sorghum x almum)
- Cressleaf groundsel (Packera glabella (synonym Senecio glabellus))
- Field bindweed (Convolvulus arvensis)
- Forage Kochia (Bassia prostrata)
- Giant Hogweed (Heracleum mantegazzianum)
- Grapevines (Vitis spp.) when grown in groups of one hundred or more and not pruned, sprayed, cultivated, or otherwise maintained for two consecutive years.
- Hairy whitetop or ballcress (Lepidium appelianum)
- Heart-podded hoary cress (Lepidium draba sub. draba)
- Hedge bindweed (Calystegia sepium)
- Japanese knotweed (Polygonum cuspidatum (synonyms Reynoutria japonica & Fallopia japonica)
- Johnsongrass (Sorghum halepense)
- Kochia (Bassia scoparia (Kochia scoparia)
- Kudzu (Pueraria montana var. lobata)
- Leafy spurge (Euphorbia esula)
- Marestail (Conyza canadensis)
- Mile-A-Minute Weed (Persicaria perfoliata (synonyms Polygonum perfoliatum))
- Musk thistle (Carduus nutans)
- Palmer amaranth (Amaranthus palmeri)
- Perennial sowthistle (Sonchus arvensis)
- Poison hemlock (Conium maculatum)
- Purple loosestrife (Lythrum salicaria)
- Russian knapweed (Acroptilon repens)
- Russian thistle (Salsola Kali var. tenuifolia (synonym Salsola tragus L.))
- Serrated tussock (Nassella trichota)
- Shattercane (Sorghum bicolor)
- Common or Tall Waterhemp (Amaranthus tuberculatus (synonyms Amaranthus rudis)
- Wild parsnip (Pastinaca sativa)
- Yellow Groove Bamboo (Phyllostachys aureasculata)When the plant has spread from its original premise of planting and is not being maintained