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Fact sheet: Double Knockout Rose

Double Knock Out Rose

  The Double Knock Out® Rose Rosa hybrida ‘Radtko’  PP16202 Varietal Name: ‘demonIntroducer: The Conard-Pyle Co. Breeder: William Radler, Milwaukee Wisconsin Type: Landscape Shrub Rose Zone: USDA 4–10 (Plant 2-3 inches deeper in Zone 4 for best winter survival) The Bud                    … Read More