Red Knock Out® Rose

Red Knock Out® Rose - Continuous Blooming Disease Resistant Rose Shrub | 3-4 Feet Tall, Individual Plants

Add vibrant, long-lasting color to your landscape with the Red Knock Out® Rose. This iconic flowering shrub is prized for its bright cherry-red blooms and exceptional disease resistance. As one of the most popular roses in the world, Red Knock Out® delivers continuous flowering with minimal care, making it perfect for both beginner and experienced gardeners.

From spring through fall, this hardy rose produces abundant single red blooms that stand out beautifully against rich green foliage. The flowers maintain their vivid color even in heat, while the plant’s strong resistance to common rose diseases ensures a healthy, attractive appearance throughout the season. With its rounded growth habit and dependable performance, Red Knock Out® Rose offers effortless beauty and months of color.

Why You'll Love the Red Knock Out® Rose

Continuous Blooming Flowers: Bright red blooms appear from spring through fall for nonstop color.

Exceptional Disease Resistance: Highly resistant to black spot and other common rose issues.

Perfect Landscape Size: Growing 3 to 4 feet tall and wide at maturity, ideal for hedges and garden beds.

Low Maintenance Rose Shrub: Easy to grow and requires minimal care compared to traditional roses.

Red Knock Out® Rose Details

Botanical Name: Rosa 'Radrazz' (Red Knock Out®)
Type: Deciduous flowering shrub rose
Mature Size: 36-48" tall × 36-48" wide (rounded bush habit)
Growth Rate: Moderate growth rate
Light: Full sun
Soil: Well-drained soil rich in organic matter
Water: Water regularly until established, moderate drought tolerance once mature
USDA Hardiness Zones: 5, 6, 7, 8, 9, 10

Growing Conditions

Soil Adaptability: Performs best in well-drained soil enriched with organic matter but adapts to many garden soil types. Avoid consistently waterlogged areas.

Light Requirements: Thrives in full sun and requires at least 6 hours of direct sunlight daily for the best flowering performance.

Hardiness: USDA zones 5-10, making it highly adaptable across a wide range of climates.

Care Instructions

Watering: Water regularly during the first growing season to establish roots. Once established, this rose becomes moderately drought tolerant.

Pruning: Prune in early spring to maintain shape and encourage vigorous new growth.

Fertilizing: Apply a balanced rose fertilizer in early spring and again during the growing season to promote healthy growth and continuous blooms.

Landscaping Uses

Versatile Applications: Red Knock Out® Rose’s compact growth and continuous blooms make it suitable for: borders, flowering hedges, foundation plantings, mass plantings, and colorful landscape beds.

Flowering Hedge Excellence: Its dense growth and reliable blooms make it ideal for creating vibrant flowering hedges along walkways and garden beds.

Frequently Asked Questions

How far apart should I plant Red Knock Out® Roses? Space plants 3 to 4 feet apart on center to allow for mature growth.

How often does Red Knock Out® Rose bloom? This variety blooms continuously from spring through fall under proper growing conditions.

Are Red Knock Out® Roses easy to maintain? Yes, they are known for their exceptional disease resistance and low maintenance care compared to traditional roses.