Question

6 plants that can be eaten raw.

Answer 1

Lots of veggies can be eaten raw. There’s also herbs like mint, and other types of plants like Indian gum.
I’ll talk about wild ones because I don’t know the context of your question.
1. Asparagus
2. Wild onion
3. Cattails
4. Clovers
5. Chicory
6. And dandelions.

Answer 2

There are quite a few, pretty much most plants... Potatoes, Tomatoes, Apples, Dandelions, Rose buds, strawberries...