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:
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