The paper contained in this volume of Acta Horticulturae report the scientifically reviewed proceedings of the International Symposium of Wild Flowers and Native Ornamental Plants. Keynote speakers and authors of selected contributed oral and poster presentation were given the opportunity to submit a manuscript for publication. The manuscript were reviewed by the editors and members of the Editorial Board. Only those papers judge suitable for publication following the authors’ consideration of reviewer suggestions appear in this volume of Acta Horticulturae.