haʊˈɛvɚ, ɪɾ ˈɔːlsoʊ ɡɹˈoʊz æz ɐn ɪnvˈeɪsɪv wˈiːd ɪn pˈɑːɹts ʌv jˈʊɹɹəp ˈɔːstɹiə, dʒˈɜːməni ænd ɪn nˈɔːɹθ ɐmˈɛɹɪkə kˌælɪfˈoːɹniə, ɑːntˈæɹɪˌoʊ, ðə nˈɔːɹθiːstɚn juːnˈaɪɾᵻd stˈeɪts.
However, it also grows as an invasive weed in parts of Europe (Austria, Germany) and in North America (California, Ontario, the northeastern United States).