Crossword clues for the word: HAWTHORN The word HAWTHORN has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for HAWTHORN Showing 1 to 7 of 7 results Clue(s) Hedgerow tree Mike —, 1958 F1 World Drivers' Championship winner Mo.'s flower Spring-flowering small tree Tree housing Heyerdahl? What broke the antler? A bush? What might be a warning device for the plant