Scion The Plumeria > Scion Posted on September 13, 2016November 10, 2022 by PlumeriaDB The portion of a plant or cultivar that is grafted onto a separate rootstock, consisting of a piece of shoot with dormant buds that will produce the stem and branches. Related Articles: What the Difference Between Cutting, Rooted and Grafted PlumeriaGlossary: GraftGlossary: Bud unionGlossary: BuddingGlossary: Interstem, interstock