Crossword clues for the word: PLUMBAGO The word PLUMBAGO has appeared as an answer to at least 6 crossword clues on different crossword puzzles. Crossword clues for PLUMBAGO Showing 1 to 6 of 6 results Clue(s) Backache after beginning to prune plant Black lead. Climber with backache is under a bit of pressure Graphite Lead plant Lead putting pressure on bad back