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Knock Out® Shrub Rose
Contender for Greatest Landscape Rose Ever!

Knock Out® Shrub Rose

Trade Gallon (3qt)
Item # 45801
was $26.95
sale $24.26
Buy 3+ at $19.95 ea
Buy 6+ at $18.95 ea
Buy 8+ at $16.95 ea
Item is sold out.

This 2000 AARS Winner has become one of the most popular and best-selling Roses of all time . . . and for very good reason!

Fire-engine red blooms and light Tea Rose fragrance pack a punch in the garden.
Plant Patent #11,836. Cultivar name: 'Radrazz.'

Perhaps the best ever landscape Rose for four-season interest, this stunning hybrid is the culmination of breeder William Radler's lifework. Not only is it the most blackspot-resistant Rose we've ever grown, but it also stands up to Japanese beetles and other pests, blooms over an exceptionally long period, and offers foliage and fruit interest as well as lovely blossoms.

Exceptionally hardy and disease-resistant, Knock Out? is also breathtakingly beautiful, with great clusters of 3- to 3½-inch blooms of fire-engine red (or lighter cherry-scarlet in hot climes). These flowers begin early in Rose season and continue for many weeks. The shrub then rests for a bit, and repeats for the remainder of summer and well into fall! It's one of the longest bloom cycles in the Rose family, and will fill your garden with bright color and subtle tea scent. And when the blooms finally end, the color continues with burgundy-violet fall foliage and orange-red hips. Thanks to this long, beautiful bloom show and its famous disease resistance, Knock Out® was named one of "The Easisest Roses You Can Grow" by Better Homes and Gardens.

Crown-hardy to -20?F, this 3- to 4-foot-tall and wide shrub sneers at drought, humidity, and pests such as blackspot, Japanese beetles, leafhoppers, and rose midge. It is essentially maintenance-free, although like any new addition to your garden, it appreciates pampering the first season or two.

Knock Out® was bred from a seedling of R. 'Carefree Beauty' x a seedling of R. 'Razzle Dazzle.' It has become so immensely popular since its introduction that new Knock Outs are arising each season. We recommend Pink Knock Out and Double Knock Out.

Knock Out® never needs deadheading, and is one of the very few Roses that earns the title "maintenance-free." Zones 4-9.

Genus2 Rosa
Variety 'RADrazz'
ppaf PP#11,836
ItemForm Trade Gallon (3qt)
Zone 4 - 9
BloomStartToEnd Early Summer - Mid Fall
Habit Compact
PlantHeight 3 ft - 4 ft
PlantWidth 3 ft - 4 ft
BloomSize 3 in - 3.5 in
AdditionalCharacteristics Bloom First Year, Butterfly Lovers, Easy Care Plants, Flower, Fragrance, Free Bloomer, Grafted, Long Bloomers, Repeat Bloomer, Rose Hips
BloomColor Red
BudShape Ovoid, Pointed
FoliageColor Dark Green
Fragrance Light, Tea Rose
LightRequirements Full Sun
Resistance Black Spot, Disease Resistant, Drought Tolerant
SoilTolerance Normal,  loamy
Uses Border, Cut Flowers, Hedge, Landscapes, Outdoor
Restrictions Canada, Guam, Hawaii, Puerto Rico, Virgin Islands
Overall Rating: 4 Stars
Average Based on 1 Reviews Write a Review
Knockout Rose
Sandra S. Kaplan from PA wrote (July 22, 2012):
This rose grew very readily despite my unschooled (rosewise) hands. I am very pleased. My only disappointment is that is not more fragrant.