Knockout Roses

Rosa

Tough, disease-resistant, self-cleaning landscape shrub roses that bloom continuously from late spring to frost on new wood.

Sun
full sun (6+ hrs)
Water
moderate
Mature size
3-4 ft × 3-4 ft
Bloom
Continuous bloom (red/pink, single or double), late spring to frost.
Hardiness
USDA Zones 5–9

Care guide

Quick ID

Tough, disease-resistant landscape shrub roses (*Rosa* Knock Out series). Continuous, self-cleaning bloom from late spring to frost.

Sun & Site

Full sun (6+ hrs); adaptable, well-drained soil. Very forgiving and heat-tolerant — well-suited to Draper.

Pruning & Shaping

Prune early-to-mid March (reduce 1/3 to 1/2; hard-cut leggy plants to 12-18 in). Wait until no hard freeze below 20°F is forecast. Deadheading optional — they self-clean.

In my garden

E113 plants
SunFull sun
Soilsandy loam, fast percolation
Water sourceCulinary
Hardiness hereZone 7
13
Plants
2022+
Planted · ~4 yrs
What I've done here
  • 2026-04-09Pre-emergent applied
  • 2026-04-0816-16-16 spring feeding
  • 2026-03Pruned
front of house8 plants
SunFull sun
Soilsandy loam, fast percolation
Water sourceCulinary
Hardiness hereZone 7
8
Plants
2022+
Planted · ~4 yrs
What I've done here
  • 2026-04-09Pre-emergent applied
  • 2026-04-0816-16-16 spring feeding
  • 2026-03Pruned
north of driveway4 plants
SunFull sun
Soilsandy loam, fast percolation
Water sourceCulinary
Hardiness hereZone 7
4
Plants
2022+
Planted · ~4 yrs
What I've done here
  • 2026-04-16Mulched
  • 2026-04-09Pre-emergent applied
  • 2026-04-0816-16-16 spring feeding
  • 2026-03Pruned