Data specific to Roses (Edit)
Bloom size: Medium: 2-3"
Bloom shape: Flat
Petal count: Single: 1-7 petals
Rose bloom color: Orange pink
Extra Bloom Info: In clusters
Rebloom: Excellent
Class: Shrub
Extra Color Info: Coral-pink, with yellow center
Growth Habit: Medium, 3-4 feet, bushy
Fragrance: None
Hybridizer & year: William J. Radler, 2007
Optimal growing zones: USDA zones 4-9
Awards: AARS: 2007

General Plant Information (Edit)
Plant Habit: Shrub
Life cycle: Perennial
Sun Requirements: Full Sun
Soil pH Preferences: Moderately acid (5.6 – 6.0)
Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Minimum cold hardiness: Zone 4b -31.7 °C (-25 °F) to -28.9 °C (-20 °F)
Maximum recommended zone: Zone 9b
Plant Height: 3-4 feet
Plant Spread: 2-3 feet
Leaves: Deciduous
Flowers: Showy
Flower Color: Pink
Flower Time: Spring
Summer
Fall
Uses: Cut Flower
Wildlife Attractant: Bees
Propagation: Other methods: Cuttings: Stem
Cuttings: Tip
Miscellaneous: With thorns/spines/prickles/teeth
Parentage: RADtee x RADral
Child plants: one child plant

Image
Alternative cultivar names:
  • 'Rainbow Knock Out'
  • 'RADcor'

Common names
  • Rose
Also sold as:
  • Rainbow Knockout

Photo Gallery
Location: Temple, Texas
Date: 2021-05-22
Blooms and leaves on bush in my front yard, Central TX.
Location: Clinton, Michigan 49236
Date: 2016-06-08
"Rosa 'Radcor', 2016, RAINBOW KNOCKOUT™ Shrub Rose, ROE-zuh, 3x
Location: San Jose Municipal Rose Garden
Date: 2009-05-04

San Jose Municipal Rose Garden
Location: Temple, Texas
Date: 2021-05-14
Fully open blooms begin to fade as they age.
Location: Temple, Texas
Date: 2021-05-14
Buds beginning to open up.
Location: Clinton, Michigan 49236
Date: 2016-06-08
"Rosa 'Radcor', 2016, RAINBOW KNOCKOUT™ Shrub Rose, ROE-zuh, 3x
Location: Texas A&M AgriLife Research & Extension Center, Overton, TX
Date: 2014-06-26
  • Uploaded by jon
Location: San Jose Municipal Rose Garden
Date: 2009-05-04
Location: Clinton, Michigan 49236
Date: 2016-06-08
"Rosa 'Radcor', 2016, RAINBOW KNOCKOUT™ Shrub Rose, ROE-zuh, 3x
Location: Texas A&M AgriLife Research & Extension Center, Overton, TX
Date: 2014-06-26
  • Uploaded by jon

San Jose Municipal Rose Garden

San Jose Municipal Rose Garden
Location: Birmingham Botanical garden 
Date: 2015-10-23
This plant is tagged in:
Image Image Image Image

« Add a new plant to the database

» Search the Roses Database: by characteristics or by cultivar name

« See the general plant entry for Roses (Rosa)

« Visit the Roses forum

« The Roses Database Front Page

« The Plants Database Front Page

Today's site banner is by Zoia and is called "The Old Fence"

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.