It will grow bigger and bigger. Pueraria kudzu is a common vegetable and a common Chinese medicinal material. The rhizome of kudzu is relatively thick. If it is not dug in time, it will grow bigger and bigger. However, this does not mean that the quality and taste of kudzu will be better. . Pueraria kudzu, also known as kudzu root and kudzu starch, is the rhizome of the leguminous plant kudzu. It is a common vegetable and Chinese medicinal material. The rhizome of kudzu kudzu is relatively thick, with an off-white or light yellow surface and a white or light yellow interior. Hard and has certain toughness.