artichoke

/ˈɑrdəˌtʃoʊk/

noun

A European plant resembling a thistle, cultivated for its large flower heads.The unopened flower head of the artichoke, of which the heart and the fleshy bases of the bracts are edible.

Other attractive vegetables that work well in a flower garden include tall frondy fennel, the magnificent globe artichoke and nasturtiums for ground cover.