She also worked with ornamental shrubs; five weigelias named after dances , robust forsythias Northern Gold and Happy Centennial, and three mock oranges including Buckley's Quill. Svejda a aussi amélioré des arbustes ornementaux : cinq weigelas portant des noms de danses (menuet, rumba, samba, tango et polka), les forsythias rustiques Northern Gold et Happy Centennial et trois seringas dont Buckley’s Quill.