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Red Knockout Rose
Rosa ‘Knock Out’
Red Knockout Rose is a medium-growing shrub, hardy in USDA zones 5-9, that matures to about 3-5 ft × 3-4 ft. It does best in full sun with medium water needs in clay and loam (silt) soil. Expect cream, yellow and orange blooms in spring. It stands up well to heat, grows happily in containers.
- USDA zones
- 5-9
- Sun
- Full sun
- Water
- Medium
- Mature size
- 3-5 ft × 3-4 ft
- Spacing
- Less than 12 inches
- Growth rate
- Medium
- Maintenance
- Medium
- Soil
- Clay, Loam (silt)
- Foliage
- Green
- Bloom color
- Cream, Yellow, Orange, Pink, Purple, Red, Variegated, White
- Bloom season
- Spring
- Tough against
- Heat
- Watch out for
- Can be a hazard to small children
- Native to
- Temp. & Subtropical Northern Hemisphere (such as Europe & Asia)
Freeze survival
Will it survive your winters?
We score Red Knockout Rose’s freeze-trouble range against the real coldest nights your area has recorded.
Powered by ~35 years of daily lows from the nearest NOAA weather station. A risk read, not a guarantee — a sheltered spot or mature plant beats the odds.
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