Knockout Rose
Rosa 'Radrazz'
Plant Image
Knockout Roses are disease-resistant, continuous-blooming shrub roses. They provide color from spring until frost with minimal care required.
Quick Facts
| Sunlight | Full Sun |
| Water Needs | Moderate |
| Hardiness Zones | 5, 6, 7, 8, 9 |
| Maintenance | Low |
| Height | 3-4 feet |
| Spread | 3-4 feet |
| Flowering Season | Spring to Fall |
How to Care for Knockout Rose
Prune in early spring. Fertilize in spring and summer. Water at base to prevent fungal diseases.
Best Uses for Knockout Rose
- Borders
- Foundation planting
- Mass planting
- Hedges
Wildlife Attracted
Knockout Rose attracts butterflies, bees to your garden, making it excellent for pollinator-friendly and wildlife gardens.
Common Problems
- Japanese beetles
- Black spot (rare)
Companion Plants
Knockout Rose pairs well with these plants:
- Lavender
- Catmint
- Salvia
See Knockout Rose in Your Garden
Use Landscape Designer's AR feature to visualize how Knockout Rose would look in your actual outdoor space before purchasing.
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