Hardy Shrub Rose Knock Out® (PP 11,836) Posted on February 21, 2020 at 6:37 pm.Written by Losely Admin Knock Out® Rose Add to quote This product is already in quote request list. Browse the list Categories: Containers, Roses, Zone 4 Tag: rose Description Description Light red-deep pink, ever-blooming. Zone 4 Available in Container Related products Vaccinium ‘Northblue’ Add to quote This product is already in quote request list. Browse the list Panicum virgatum Add to quote This product is already in quote request list. Browse the list Miscanthus s. ‘Graziella’ Add to quote This product is already in quote request list. Browse the list Matteuccia struthiopteris Add to quote This product is already in quote request list. Browse the list