Red Double Knock Out Rose
Red Double Knock Out Rose (Rosa 'Radtko')
Red Double Knock Out Rose (Rosa 'Radtko') is a bold, easy-care shrub rose that delivers full, velvety red double blooms from late spring through frost. Also known as Double Red Knock Out, this variety offers all the flower power of traditional roses without the fuss�making it a standout choice for high-impact, low-maintenance landscapes.
Distinctive Features
This vigorous shrub reaches 3 to 4 feet tall and wide with a dense, rounded form. The double blooms resemble classic hybrid tea roses and are a rich cherry red that intensifies in cooler temperatures. Glossy, dark green foliage provides contrast and stays healthy thanks to excellent resistance to black spot, rust, and powdery mildew. New growth emerges with a red tint, enhancing seasonal interest.
Growing Conditions
- Sun Exposure: Full sun
- Soil Type: Well-drained garden soil or loam
- Soil pH: Slightly acidic to neutral
- Water Needs: Moderate; consistent moisture preferred
- USDA Hardiness Zones: 5 to 10
Ideal Uses
- Focal point in mixed borders or front yard plantings
- Low flowering hedge along walkways or property lines
- Massed for dramatic color in foundation beds
- Containers on patios, balconies, or poolside areas
- Accent shrub in perennial or cottage-style gardens
Low Maintenance Care
- Prune back in early spring to refresh growth and shape
- No deadheading required for continuous bloom
- Apply mulch to retain moisture and deter weeds
- Feed with balanced fertilizer in early spring and midsummer
- Minimal pest or disease issues under normal conditions
Why Choose Red Double Knock Out Rose
- Classic double blooms in a rich, saturated red
- Prolific flowering from spring through fall
- Outstanding disease resistance and low maintenance
- Compact, tidy form fits a variety of garden styles
- A bold, reliable focal point for long-season color
Red Double Knock Out Rose provides a dependable burst of classic red color and lush form without the high upkeep�making it a powerful focal point for contemporary landscapes and traditional gardens alike.
OUR SIZING
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