Wizard of Oz/Oz Fresh Sect are both fine
My store mainly sells vegetables. Can it be called a certain vegetarian restaurant? It gives the impression that what you sell is Delicatessen
I think you are positioning the quality and price to be a bit higher than the farmer's market. The most advantageous thing is of course the quality of the food, so the name is very playful considering this aspect. It’s very tasteful. When everyone thinks about it, they think of that beautiful movie and the song “over the rainbow”