In Stock
Radrazz Red Knock Out Shrub Roses
Rosa 'Radrazz' Knock Out® PP11836
Red Knock Out Shrub Roses
In stock · from $39.99
Compact, tidy shrub rose and resistant to black-spot. Blooms are fire engine red in cool weather and a cherry red in the summer months. The foliage is a dark purplish green and turns to burgundy in the fall.
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Plant facts
Sizes and prices
Retail prices; trade pricing for wholesale accounts. Availability updates hourly; stock last changed 2026-10-27.
Good to know
- Fragrant.
- Suitable for Utah Lake secondary water systems.
- Tolerates rock mulch.
Quick answers
How big does Radrazz Red Knock Out Shrub Roses get?
About 4' tall and 4' wide at maturity.
How much sun does Radrazz Red Knock Out Shrub Roses need?
Full Sun (6+ hours).
How much water does Radrazz Red Knock Out Shrub Roses need?
Moderate water use.
Will Radrazz Red Knock Out Shrub Roses grow in Utah and the Intermountain West?
It is rated hardy to USDA zone 4, so it suits sites in zone 4 or warmer, which covers most of the region. The Salt Lake Valley floor is mostly zone 7; benches, mountain valleys and high plains in Utah, Idaho, Montana, Colorado and Wyoming are colder, often zones 3–6, so check the zone for your site.
Where can I buy Radrazz Red Knock Out Shrub Roses in Utah?
Progressive Plants in Copperton, Utah has it in stock, from $39.99. Homeowners can order online for pickup at the farm or local delivery; landscape contractors can have it shipped across Utah, Idaho, Montana, Colorado, Wyoming and Nevada.
Can landscape contractors buy Radrazz Red Knock Out Shrub Roses wholesale?
Yes. Landscape contractors and architects with a Progressive Plants wholesale account get trade pricing, bulk ordering and shipping across Utah, Idaho, Montana, Colorado, Wyoming and Nevada on our own trucks or by freight ($1,500 minimum outside our local delivery area). Apply at progressiveplants.com/wholesaleapp.html or call 801-565-7333.