sˈɛvɹəl spˈiːsiːz hɐvbɪn ˌɪntɹədˈuːst tə jˈʊɹɹəp æz ɡˈɑːɹdən spˈɛsɪmənz, mˈoʊst nˈoʊɾəbli nˈuː ˈɪŋɡlənd ˈæstɚ sˈɪmfɪˌɑːtɹɪtʃəm nˈoʊvəˈæŋɡlɪˌiː ænd nˈuː jˈɔːɹk ˈæstɚ sˈɪmfɪˌɑːtɹɪtʃəm nˈoʊvibˈɛldʒɪˌaɪ.
Several species have been introduced to Europe as garden specimens, most notably New England aster (Symphyotrichum novae-angliae) and New York aster (Symphyotrichum novi-belgii).