The following kinds of weed seed are designated noxious in Tennessee and the maximum permitted rate of occurrence per pound or agricultural or vegetable seed is established.

1. (1) Prohibited Noxious-Weed seed shall include: Balloonvine (Cardiospermum halicacabum) None per pound Canada thistle (Cirsium arvense) None per pound Crotalaria (Crotalaris spectabilis) None per pound Field Bindweed (Convolvulus arvensis) None per pound Hedge Bindweed (Convolvulus sepium) None per pound Itchgrass (Rottboelia exaltata) None per pound Johnsongrass (Sorghum halepense) None per pound Nutgrass (Cyperus rotundus and C. esculentus) None per pound Palmer Amaranth (Amaranthus palmeri) None per pound Sorghum Almum (Sorghum almum) None per pound Sicklepod (Cassia obtusifolia) None per pound
2. (2) Restricted Noxious-Weed seed shall include: Buckhorn Plantain (Plantago lanceolata) 200 per pound Cheat (Bromus secalinus) or Chess (B. commutatus) 300 per pound Cocklebur (Xanthiurn spp.) 2 per pound CorncockIe (Agrostemma githago) 100 per pound Darnel (Loliurn temulentum) 100 per pound Dock (Rumex spp.) 100 per pound Dodder (Cuscuta spp.) 100 per pound Giant Foxtail (Setaria faberi) 100 per pound Horsenettle (Solanum carolinense) 200 per pound Quackgrass (Agropyron repens) 100 per pound Wild Mustard or Turnips (Brassica spp.) 27 per pound Wild Onion or Garlic (Alliurn spp.) 27 per pound Plumeless thistles, includes Musk Thistle, Nodding Thistle, and Curled Thistle (Carduus spp.) 100 per pound Annual Bluegrass (Poa annua) 300 per pound Lawn and turf seed only
3. (3) Annual Bluegrass shall be claimed on the label if present in lawn and turf seed such as, bentgrass, Ky. bluegrass, chewings fescue, red fescue, hard fescue, varieties of perennial ryegrass, varieties of turf type tall fescue, and/or mixtures containing these grasses.
4. (4) Agricultural seed which contain in excess of a sum total of 300 restricted noxious-weed seed per pound (subject to above limitations) is prohibited from sale in Tennessee.

5. (5) Exceptions:

   1. (a) Crimson clover may contain one hundred (100) Brassica spp. seed per pound.
   2. (b) Ky. 31 Tall fescue may contain a sum total of five hundred (500) restricted noxious- weed seed per pound. However, maximum limitations for each kind remain the same.
   3. (c) Black soybeans used for hay purposes may contain two (2) sicklepod per pound.

Authority: T.C.A. §§ 4-3-203, 43-928, 43-10-114, and Public Chapter 660 of 1986. Administrative History: Original rule certified June 5, 1974. Amendment filed October 30, 1986; effective December 14, 1986. Amendments filed July 31, 2018; effective October 29, 2018.