Unique Blue Vegetables that are Expensive 

Blue Bayou Tomatoes Blue Bayou Tomatoes have a sweet and fruity taste. 

Blue Cabbage Red cabbage or purple cabbage has a milder, sweeter flavor than other varieties of cabbage.

Blue Carrots These vegetables are abundant in anthocyanins and beta carotene, which have been shown to boost memory and vision.

Blue Corn Blue Corn is grown in Mexico, the Southwestern United States, and the Southeastern United States.

Blue Milk Mushroom Other names for the Blue Milk Mushroom include the Indigo Lactarius, Indigo Milk Cap, Indigo Milky, and Indigo Milky.

Blue Potato The potato known as “Adirondack Blue” has skin that has a faint purple tinge and a blue flesh.

Filius Blue Pepper Filius Blue Peppers are a traditional Mexican chili, similar to a poblano pepper.