Vine means a perennial plant grown under normal conditions from which an annual fruit crop is produced for commercial market for human consumption, such as grape, kiwi, or passion fruit, and that has a flexible stem supported by climbing, twining, or creeping along a surface. Nursery stock, perennials that are normally propagated as annuals such as tomato plants, biennials such as strawberry plants, and annuals such as pumpkin, squash, cucumber, watermelon, and other melon plants, are excluded from the term vine in this subpart.
7 CFR § 760.1502
The following definitions apply to this subpart. The definitions in 718.2 and 1400.3 of this title also apply, except where they conflict with the definitions in this section. In the event of conflict, the definitions in this section apply.