What are the only two prennial vegetables?

That's a bit of a trick question! There's no definitive answer because "vegetable" isn't a strict botanical term, and what we consider vegetables can vary by culture and context.

Here's why:

* Botanical vs. Culinary: Botanically, vegetables are technically fruits, stems, leaves, roots, or tubers.

* Perennial vs. Annual: Perennial plants live for more than two years, while annuals complete their life cycle in one year.

Therefore, there's no single "only two" perennial vegetables. Some common perennials considered vegetables include:

* Asparagus: Technically a perennial stem, but it's often treated as a vegetable.

* Rhubarb: Another perennial stem, though often used in sweet dishes.

* Artichoke: A perennial bud, but primarily used as a vegetable.

* Jerusalem Artichoke: While it's technically a tuber, its taste and use often make it a "vegetable."

* Horseradish: A perennial root, though used as a spice and condiment.

* Sorrel: A perennial leaf, often used in salads or sauces.

So, there are several perennial plants commonly used as vegetables, making it difficult to pinpoint only two.