Knockout Rose (Rosa hybrida (Knock Out® Series)

Knock Out Roses are a popular series of shrub roses known for their exceptional disease resistance, long blooming season, and low maintenance needs. Introduced in 2000, these roses quickly became a favorite in American landscapes. They bloom profusely from spring until frost and are self-cleaning, meaning no deadheading is required. With a compact, bushy habit and a wide range of colors, they are ideal for borders, hedges, and mass plantings.

Category

Sun Needs:

  • Full sun (6–8 hours of direct sunlight daily)
  • Tolerates partial shade, though flowering may be reduced
  • Best performance in south or east-facing locations

Bloom Time:

  • Early spring through first frost
  • Repeat blooming with minimal care
  • Available in shades of red, pink, yellow, white, coral, and more
Size:

Height: Typically 3 to 4 feet. Some varieties can reach up to 5 feet; dwarf types stay around 1 to 2 feet.
Width: 3 to 4 feet. Compact, rounded growth habit.

Attributes:
  • Continuous blooms throughout the growing season
  • Highly resistant to black spot and powdery mildew
  • Self-cleaning (no deadheading needed)
  • Cold hardy in USDA zones 5–11
  • Fast-growing and adaptable
  • Not ideal for cut flowers but excellent for landscape use
Care Tips:
  • Plant in well-draining, slightly acidic soil
  • Water regularly during the first growing season to establish roots
  • Mulch to retain moisture and suppress weeds
  • Fertilize in early spring and mid-season with a balanced rose fertilizer
  • Prune in late winter or early spring to maintain shape and encourage new growth
Pest watch:
  • Monitor for aphids and Japanese beetles, though generally low-maintenance

Reviews

There are no reviews yet.

Be the first to review “Knockout Rose (Rosa hybrida (Knock Out® Series)”

Your email address will not be published. Required fields are marked *

Related Products

Scroll to Top