White Knock Out

White Knock Out redefines flower power. It will never stop blooming in the mildest area of the country, and the contrast between the deep dark, almost black foliage and the abundance of cream white flowers is staggering. Very compact and extremely disease resistant.

General Information

  • Class Shrub
  • Cultivar cv. RADwhite
  • Patent Pat.#20,273
  • Plant Habit Medium
  • Growth Habit Bushy & compact
  • Foliage Color Almost black
  • Flower Color White
  • Flower Size 3 1/2" in diameter
  • Flower Form Single
  • Parentage RADmom × RADsweet
  • Hybridizer William Radler
  • Intro Year 2009
  • Introduced By Conard-Pyle/Star Roses

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