Red Knock Out® Rose
Rosa 'Radrazz' Knock Out
Overview
The Red Knock Out® Rose (Rosa 'Radrazz' KNOCK OUT) is a hardy shrub rose with vibrant, cherry-red blooms. It reaches a maximum size of 4 feet tall and wide, thriving in USDA zones 5 through 11. This low-maintenance variety is disease resistant and blooms continuously from spring until the first frost, providing long-lasting, bold color. Ideal for borders or mass plantings, it requires full sun and well-drained soil.

Culture
- Sun
- Full, Half
- Water
- Extra in Summer, Medium
- USDA zones
- 6–11
Shape & size
- Mature height
- 3–4 Ft.
- Mature width
- 3–4 Ft.
Classification
- Family
- Rosaceae
- Climate
- Temperate
See full data, regional cultivation notes, full-resolution photos, and design tools. Build a client presentation around this plant.
Start your 14-day trialPhotos (58)










Related plants

Bradford Callery Pear
Pyrus Calleryana 'Bradford'
Full · Zones 4–10

Nootka Rose
Rosa Nutkana
Full · Zones 8–9

Pat Austin Rose
Rosa David Austin Rose 'Pat Austin'
Full · Zones 6–11

Taiwan Creeping Blackberry
Rubus Pentalobus
Full · Zones 7–9

Don Juan Climbing Rose
Rosa 'Don Juan'
Full · Zones 5–9

Blue Moon Hybrid Tea Rose
Rosa 'Blue Moon'
Full · Zones 6–11