Sunny Knock Out Rose

Sunny Knock Out Rose (Rosa 'Radsunny')

Sunny Knock Out Rose (Rosa 'Radsunny') is a bright and cheerful shrub rose known for its lemon-yellow blooms, high disease resistance, and minimal maintenance needs. Also known as the Yellow Knock Out Rose, this cultivar brings a burst of color and continuous bloom from late spring through frost, lighting up borders, foundations, and containers with reliable ease.

Distinctive Features

This compact, bushy shrub grows 3 to 4 feet tall and wide, with a rounded form and glossy green foliage that remains attractive all season. The lightly fragrant flowers open a vibrant yellow and fade to a soft cream as they age, often blooming in clusters. With superior tolerance to black spot, powdery mildew, and rust, Sunny Knock Out offers lasting beauty with little intervention.

Growing Conditions

• Sun Exposure: Full sun
• Soil Type: Well-drained loam or enriched garden soil
• Soil pH: Slightly acidic to neutral
• Water Needs: Moderate; prefers consistent moisture
• USDA Hardiness Zones: 5 to 9

Ideal Uses

• Focal point in foundation or front yard plantings
• Massed along walkways or garden borders
• Accent shrub in pollinator and cottage gardens
• Containers on sunny patios or entryways
• Low flowering hedge with season-long interest

Low Maintenance Care

• Self-cleaning; no deadheading required
• Prune back in early spring to maintain shape
• Apply mulch to retain soil moisture
• Fertilize in spring and midsummer for best bloom
• Water regularly during establishment and dry periods

Why Choose Sunny Knock Out Rose

• Bright yellow blooms that fade to creamy white
• Continuous flowering from spring to frost
• Exceptional resistance to rose diseases
• Compact form suited to gardens and containers
• A cheerful, low-care focal point in sunny landscapes

Sunny Knock Out Rose offers glowing color and unmatched ease of care, making it a vibrant and reliable focal point for landscapes that need long-season brightness without the fuss.