Robuta

https://www.rhs.org.uk/plants/339981/symphyotrichum-novae-angliae-colwall-orbit/details Symphyotrichum novae-angliae 'Colwall Orbit' | New England aster 'Colwall Orbit' Herbaceous... symphyotrichum novae angliae new england aster colwall orbit herbaceous https://www.fws.gov/species/new-england-aster-symphyotrichum-novae-angliae New England Aster (Symphyotrichum novae-angliae) | U.S. Fish & Wildlife Service new england aster symphyotrichum novae angliae https://www.rhs.org.uk/plants/340018/symphyotrichum-novae-angliae-millennium-star/details Symphyotrichum novae-angliae 'Millennium Star' | New England aster 'Millennium Star' Herbaceous... symphyotrichum novae angliae new england aster millennium star herbaceous