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'Rainbow Knock Out ®' rose Description
'Rainbow Knock Out ®' rose photo
Photo courtesy of Calif Sue
Availability:
Commercially available
Synonyms:
RADcor
HMF Ratings:
27 favorite votes.  
Average rating: GOOD+.  
ARS:
Orange-pink Shrub.
Registration name: RADcor
Exhibition name: Rainbow Knock Out ®
Origin:
Bred by William J. Radler (United States, before 2005).
Introduced in United States by Conard-Pyle (Star Roses) in 2007 as 'Rainbow Knock Out'.
Class:
Shrub.  
Bloom:
Orange-pink.  Deep coral pink with yellow center.  None / no fragrance.  5 to 7 petals.  Average diameter 2.25".  Medium, single (4-8 petals) bloom form.  Continuous (perpetual) bloom throughout the season.  Pointed buds.  
Habit:
Bushy, compact.  Semi-glossy, dark green foliage.  
Height of 2' to 35" (60 to 90 cm).  
Growing:
USDA zone 4b through 9b.  Can be used for beds and borders, garden or landscape.  Disease susceptibility: very disease resistant, rust resistant.  Remove spent blooms to encourage re-bloom.  Spring Pruning: Remove old canes and dead or diseased wood and cut back canes that cross. In warmer climates, cut back the remaining canes by about one-third. In colder areas, you'll probably find you'll have to prune a little more than that.  
Breeder's notes:
The petioles emit the distinctive sweetbriar smell of the moss roses when slightly pressed.

Very resistant.to rose midge.

Patents:
United States - Patent No: PP 17,346  on  9 Jan 2007   VIEW USPTO PATENT
Application No: 11/152,247  on  15 Jun 2005
Ploidy:
Triploid
Parentage:
Notes:
Ploidy supplied by David Zlesak.