In retail, you will usually find ginger in the exotic fruit department, although the flavor of the spicy tuber is more reminiscent of a vegetable. The main root used, in the form of the so-called ginger rhizome, is more of a spice plant. Nevertheless, there are definitely reasons for the occasional assignment to fruit and vegetables
A plant with many uses
Ginger's classification as a fruit is likely due to the processing into candied ginger, which, like other candied fruits, tastes aromatic and sweet. On the other hand, the use of young ginger sprouts as vinegar-sour gari, which is common in Japan, speaks for a comprehensible classification as a vegetable.