All oral presenters, including invited and keynote speakers, must submit a manuscript for Acta Horticulturae according to the Acta Horticulturae guidelines by 15 February 2026 [new date]. Oral presenters who fail to submit a manuscript for publication in Acta Horticulturae may be refused the floor to present their oral presentation. Authors of posters are strongly encouraged to prepare and submit a manuscript for Acta Horticulturae.