As used in Articles 1, 3, 5 and 7 of this chapter:

1. (1) The term "agricultural seed" shall include the seeds of all domesticated grasses, cereals, clovers, vetches, alfalfas, peas (except garden peas) and beans (except garden beans) and the seeds of all other crops that are or may be successfully grown in this State on field scale;
2. (2) The term "vegetable seed" shall include the seeds of those crops that are generally grown in South Carolina on garden scale and generally known and sold under the name of vegetable seeds, including seed potatoes, onion sets, bulbs and plants;
3. (3) The term "flower seed" shall include the seeds of those plants grown in flower gardens for both ornamental and commercial purposes and generally known by the name of flower seed;
4. (4) The term "inert matter" shall be understood to include sand, dirt, chaff and other foreign substances and broken seed incapable of germinating;
5. (5) The term "other agricultural seeds" shall include all agricultural seeds not of the kind or species named on the package;
6. (6) The term "common weed seeds" shall include seeds of the plants commonly known as wild carrot, curled dock, sheep sorrel, common plantain, bracted plantain, buckhorn, henbit, chickweed and crab grass and seeds of all other plants which commonly occur in a wild state; and
7. (7) The term "noxious weed seeds" shall means seeds of wild onion or wild garlic, all dodders, corn cockle, cheat or chess, wild oats, Johnson grass, wild mustard, Canada thistle, black mustard and seeds of other similar plants.