|This new release from Bill Radler has the disease resistance of the original Knock Out®, with a similarly dark, attractive foliage, and a slightly more upright habit. A new color in the most popular shrub rose family in North America, Sunny Knock Out® will shine in any garden from Canada to the Gulf. Winter hardy to zone 4. The yellow color will stay stronger during the cooler times of the year.
Characteristics & Attributes