Photos are representative and may not match your specific variety.
Shrub Rose - Knockout
RoseRosa 'Radrazz'
- Full sun
- Zones 5–11
- 60 days to maturity
- Flowers
- 36" spacing
- Low water
- Perennial
- pH 6–7.5
Overview
America's most popular landscape rose revolutionized home gardening with its incredible disease resistance and non-stop blooming performance. These cherry-red flowers appear continuously from spring until hard frost without deadheading, while the compact, rounded habit fits perfectly into mixed borders and foundation plantings. Virtually maintenance-free, it's the perfect choice for gardeners wanting beautiful roses without the fuss.
Planting
Plant container roses spring through early fall. Extremely low maintenance - no deadheading required, annual pruning in late winter.
Growing
Sun: full. Water: low. Soil pH: 6–7.5. Space plants 36" apart. Germination: 21-30 (from seed, typically propagated from cuttings).
Pests & diseases
Common pests: Occasionally aphids or Japanese beetles. Common diseases: Extremely disease resistant, rarely affected by common rose diseases.