Double Knock Out®

As you might suspect, this sister seedling of the famed Knock Out has some sisterly similarities – same great black spot resistance, same deep pink color & similar grey-green foliage. Yet, as is often the case with sisters, there are those all-important differences to tout – a few more petals & a more compact rounded habit.

General Information

  • Class Shrub
  • Cultivar cv. RADko
  • Patent Pat.#16,202
  • Plant Habit Medium
  • Growth Habit Compact, rounded
  • Plant Height 3 to 4 feet
  • Stem Length Medium-short
  • Foliage Color Deep grey-green
  • Disease Resistance Very good
  • Flower Color Deep pink to light red
  • Bud Form Pointed
  • Flower Size Medium, around 3 inches in diameter
  • Flower Form Semi-double to double, starry
  • Petal Count 15 to 20
  • Parentage Seedling of Carefree Beauty x seedling of Razzle Dazzle
  • Hybridizer William Radler
  • Intro Year 2008
  • Introduced By Conard-Pyle Co.