Vegetables!

Riddle: Of all vegetables, only two can live to produce on their own for several growing seasons. All other vegetables must be replanted every year. What are the only two perennial vegetables?

Answer: Asparagus and rhubarb.

Source: https://www.riddles.com/index.php/985

Of all vegetables, only two can live to produce on their own for several growing seasons. All other vegetables must be replanted every year. What are the only two perennial vegetables? — Vegetables! by Anonymous v1.

Riddle: Of all vegetables, only two can live to produce on their own for several growing seasons. All other vegetables must be replanted every year. What are the only two perennial vegetables? Answer: Asparagus and rhubarb. — by Anonymous v2.