The Double Knock Out® Rose Download Fact Sheet
Rosa hybrida ‘Radtko’
PP16202
The Double Knock Out® Rose will find a permanent home in your garden. This absolutely carefree landscape rose has all of the same wonderful characteristics of its sister seedling, Knock Out® with twice as many petals per flower. Fluorescent double, cherry red blossoms attract attention all summer and give way to deep purple fall foliage coloring your garden with three seasons of interest. You don’t have to waste time removing old flowers from this blooming machine. The Double Knock Out® Rose takes the maintenance out of roses. Hardy, drought tolerant upon establishment, this rose is a carefree, show-stopping Star®!
| DETAILS |
| Varietal Name | ‘Radtko’ |
| Introducer | The Conard-Pyle Co. |
| Breeder | William Radler, Milwaukee Wisconsin |
| Type: | Landscape shrub rose |
| Zone | USDA 4–10 |
| Bud Form | Pointed Ovoid |
| Bud Color | Cherry Red |
| Bud Size | Medium |
| Bloom Color | Deep cerise, cherry red |
| Bloom Form | Double |
| Number of Petals | Range 18 -24, Average is 20 |
| Bloom Size | Medium |
| Bloom Diameter | 3 – 3 ½ ” in diameter, average |
| Bloom Fragrance | Light tea rose, slightly spicy |
| Vegetation | Vigorous |
| Habit | Compact, mounded and bushy |
| Inflorescence | 1 to 5 flowers per cluster, up to 25 blooms per flowering branch |
| Foliage | Deep mossy green with blue and maroon highlights and a maroon underside – distinct glaucous appearance
|
| Fall Foliage | Deep, lustrous purple with rich maroon undertones |
| Disease Tolerance | Totally resistant to rose black spot. Tolerant of Downy Mildew |
| Flowering | Continuous from late spring to frost |
| Height x width | 3-4’ x 3-4’ |
| Patent | PP# 16202 |
The Knock Out® Rose Download Fact Sheet
2000 AARS Winner
2004 Texas Superstar™
Rosa ‘Radrazz’ PP#11836, Canadian PBR#0993
The Knock Out® rose will find a permanent home in your garden. This absolutely carefree landscape rose is a breakthrough in disease resistance. Fluorescent cherry red blossoms attract attention all summer and give way to deep purple fall foliage coloring your garden with three seasons of interest. You don’t have to waste time removing old flowers from this blooming machine. The self-cleaning Knock Out® rose takes the maintenance out of roses. Hardy, drought tolerant upon establishment, this rose is a carefree, show-stopping Star®!
| DETAILS |
| Varietal Name | ‘Radrazz’ |
| Introducer | The Conard-Pyle Co. |
| Breeder | William Radler, Milwaukee Wisconsin |
| Type: | Landscape shrub rose |
| Zone | USDA 4–10 |
| Bud Form | Pointed Ovoid |
| Bud Color | Cherry Red |
| Bloom Color | Deep cerise, cherry red |
| Bloom Form | Flat Cup |
| Number of Petals | Range 7-11, Average is 10 |
| Bloom Size | Medium |
| Bloom Diameter | 3 – 3 ½ ” in diameter, average |
| Bloom Fragrance | Light tea rose, slightly spicy |
| Vegetation | Vigorous |
| Habit | Compact, mounded and bushy |
| Inflorescence | 1 to 5 flowers per cluster, up to 25 blooms per flowering branch |
| Foliage | Deep mossy green with blue and maroon highlights and a maroon underside – distinct glaucous appearance
|
| Fall Foliage | Deep, lustrous purple with rich maroon undertones |
| Disease Tolerance | Totally resistant to rose black spot. Tolerant of Downy Mildew |
| Flowering | Continuous from late spring to frost |
| Height x width | 3-4’ x 3-4’ |
The Pink Knock Out® Rose Download Fact Sheet
Rosa, 'Radcon'
PP# 15070
The Knock Out® Rose in powerful pink color! Another absolutely carefree shrub rose that your garden should not be without. This shade of pink will complement any color scheme. The Pink Knock Out® Rose thrives in humid climates where most other plants require spray and maintenance.
This self-cleaning, non stop blooming rose is the perfect companion to other flowering shrubs, roses and perennials. Plant anywhere you have 5 or more hours of direct sunlight each day.
| DETAILS |
| Height/Habit | 3' x 4', Bushy |
| Bloom Size | Single to Semi-double |
| Foliage | Mossy green with blue hues |
| Petal Count | 7-11 |
| Fragrance | None |
| Hybridizer | Found by The Conard-Pyle Co. |
| Disease Resistance | Excellent |
| Uses | Hedge, Border, Foundation Plant |
| Patent | PP# 15070 |
The Pink Double Knock Out® Rose Download Fact Sheet
Rosa ‘Radtkopink’
PPAF
The Pink Double Knock Out® Rose will find a permanent home in your garden. This absolutely carefree landscape rose has all of the same wonderful characteristics of its parent, The Double Knock Out® with a fabulous hot pink bloom. The fluorescent double pink blossoms attract attention all summer and give way to deep purple fall foliage adorning your garden with three seasons of interest.
You don’t have to waste time removing old flowers from this blooming machine. The Pink Double Knock Out® Rose takes the maintenance out of roses. Hardy, drought tolerant upon establishment, this rose is a carefree, show-stopping Star®!
| DETAILS |
| Varietal Name | ‘Radtkopink’’ |
| Introducer | The Conard-Pyle Co./Novalis |
| Breeder | William Radler, Milwaukee Wisconsin |
| Type: | Landscape shrub rose |
| Zone | USDA 4–10 |
| Bud Form | Pointed Ovoid |
| Bud Color | Hot Pink |
| Bloom Color | Hot Pink |
| Bloom Form | Double |
| Number of Petals | Range18 -24, Average is 20 |
| Bloom Size | Medium |
| Bloom Diameter | 3 – 3 ½ ” in diameter, average |
| Bloom Fragrance | Light tea rose, slightly spicy |
| Vegetation | Vigorous |
| Habit | Compact, mounded and bushy |
| Inflorescence | 1 to 5 flowers per cluster, up to 25 blooms per flowering branch |
| Foliage | Deep mossy green with blue and maroon highlights and a maroon underside – distinct glaucous appearance
|
| Fall Foliage | Deep, lustrous purple with rich maroon undertones |
| Disease Tolerance | Totally resistant to rose black spot. Tolerant of Downy Mildew |
| Flowering | Continuous from late spring to frost |
| Height x width | 3-4’ x 3-4’ |
| Patent | PPAF |
The Blushing Knock Out® Rose Download Fact Sheet
Rosa 'Radyod'
PP# 14700
The Knock Out® Rose in a beautiful light pink color. Just like Knock Out® this shrub never stops performing.
The light pink color changes nicely into a shell pink as the bloom ages. It thrives in humid climates where most other roses need spray and maintenance. Disease resistant, drought tolerant and naturally mildew resistant this rose will suit any garden and any lifestyle.
| DETAILS |
| Varietal Name | ‘Radyod’ |
| Height/Habit | Bushy |
| Bloom Size | Medium |
| Foliage | Mossy green with blue hues |
| Petal Count | 7-11 |
| Fragrance | None |
| Hybridizer | Found by Yoder Brothers |
| Disease Resistance | Excellent |
| Uses | Hedge, Border, Foundation Plant |
| Patent | PP# 14700 |
The Rainbow Knock Out® Rose Download Fact Sheet
'Radcor'
PP# 17346
Our 2007 AARS Winner
The newest addition to the Knock Out® rose family from Bill Radler. The Rainbow Knock Out® Rose covers itself with coral pink blooms painted with rich yellow at the base. More compact and floriferous than the earlier Knock Out® roses.
Unaffected by black spot – as is to be expected of the Knock Out® family. Good resistance to mildew and rust. Winter hardy to zone 4. Sets hips in autumn for a bit of winter color.
| DETAILS |
| Varietal Name | ‘Radcor’ |
| Height/Habit | Medium, Bushy |
| Bloom Size | Medium |
| Foliage | Dark Green |
| Petal Count | 5 - 7 |
| Fragrance | None |
| Hybridizer | Radler - 2007 |
| Disease Resistance | Excellent |
| Uses | Hedge, Border, Foundation Plant |
| Patent | PP# 17346 |
Sunny Knock Out® Rose Download Fact Sheet
'Radsunny'
PPAF
This new release from Bill Radler has the disease resistance of the original Knock Out®, with a similarly dark, attractive foliage, and a slightly more upright habit. A new color in the most popular shrub rose family in North America, Sunny Knock Out® will shine in any garden from Canada to the Gulf. Winter hardy to zone 4. The yellow color will stay stronger during the cooler times of the year.
| DETAILS |
| Varietal Name | ‘Radsunny’ |
| Introducer | The Conard-Pyle Co. |
| Breeder | William Radler, Milwaukee Wisconsin |
| Type: | Landscape shrub rose |
| Bud Form | Pointed |
| Bud Color | Bright Yellow |
| Bud Size | Medium (2 inches) |
| Bloom Color | Bright yellow at opening, turning cream white when fully open
|
| Bloom Form | Single |
| Number of Petals | mostly 5, sometimes 6 |
| Bloom Size | Medium |
| Bloom Diameter | 3 inches |
| Bloom Fragrance | No flower fragrance, but the petioles release a strong sweetbriar fragrance similar to Rainbow Knock Out® |
| Vegetation | Very vigorous |
| Habit | Upright |
| Inflorescence | 1 to 5 flowers per stem |
| Foliage | Dark green, semi glossy
|
| Disease Tolerance | Very good |
| Flowering | Very abundant and continuous, will bloom year round in mild climates |
| Height x width | 4 - 4 1/2 feet |
| Patent | PPAF |