Plant Calculator

Enter the approximate length and width of the area you will be planting and click 'Calculate' to determine how many Rosa you will need.

Approx. Length (ft):
Approx. Width (ft):
*Distance Between Plants (in):

*Correct and successful spacing is complex and depends on project conditions.

Knock Out®

Rosa

Shrub Rose

  • Fragrant, bright red cupped blooms
  • Disease resistant and low-maintenance
  • Dark green glossy foliage turns burgundy in fall

Knock Out® Roses
  • Category: Shrubs
  • Alternate Cultivar: 'Radrazz'
  • Patent: PP#11836, CPBR 0993
  • Breeder: Knock Out® Roses
  • Hardiness Zone: 5-11
  • Height: 3-4 ft
  • Spread: 3-4 ft
  • Bloom Color: Red
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