Crossword clues for Rootstock. 3 letters:ROIFern rootstockREAAromatic rootstock of Pacific Islands.OCARootstock.ROOTSTOCKSource; origin.ROOTSTOCKPlant grafting componentROOTSTOCKSource.ROOTSTOCKType of stem.ROOTSTOCKSOrigins.CASSAVAIts rootstock is made into tapioca.ORRISIris rootstock.STOLONSGrass rootstocks.TAROStarchy rootstock.TAROTropical rootstock.TARORootstock.ORRISRootstockORRISSource of a fragrant rootstockCASAVARootstock used in tapioca: Var.ORRISIris with a fragrant rootstockORRISPerfumery rootstockTAROTropical, edible rootstockORRISRootstock used in perfumesTAROEdible rootstockTAROSEdible rootstocksTAROPolynesian rootstockORRISESFragrant rootstocksTAROSStarchy rootstocks.AMOLEIts rootstock produces lather.ORRISFragrant rootstock.TARORootstock eaten as poi.ORRISRootstock of iris.