Double Knock Out Shrub Rose
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(Plant Patent #16202, Var; RADlko) The next generation in the Knock Out family features full, double, cherry-red flowers with classic rose form. Just as resistant to black spot as the original Knock Out and has the same continuous bloom cycle, with slightly better winter hardiness. Resists many insect pests as well. Plants have attractive purplish-green foliage. Hardy zone 4. Grown own root. Flower Size: 1 1/2" Fragrance: None Hybridizer: Radler, 2005.