Cruciferous European plant formerly cultivated as a source of blue dye

Let's find possible answers to "Cruciferous European plant formerly cultivated as a source of blue dye" crossword clue. First of all, we will look for a few extra hints for this entry: Cruciferous European plant formerly cultivated as a source of blue dye. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.