White Knock Out redefines flower power. It will never stop blooming, 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.
- Class – Shrub
- Plant Habit – Medium
- Growth Habit – Bushy and compact
- Plant Height – 3 to 4 feet
- Foliage Color – Almost black
- Flower Color – White
- Flower Size – Medium – 3 1/2 inches