Rose, Red Double Knock Out

 Description:  A maintenance free rose that continually produces self-cleaning double candy apple red flowers with a slight spicy fragrance. Unsurpassed resistance to black spot and downy mildew leaf diseases. An excellent low hedge.

Common Name:  Red Double Knock Out Rose

Scientific Name:  Rosa 'Radtko'

Type:  Perennial, Shrub

Exposure:  Full Sun

Size:  4' height, 4' spread

Bloom Color:  Red

Bloom Period:  Spring - Fall

Foliage Color:  Green

Landscape Use:  Accent, Background, Containers/Planters, Specimen, Foundation, Garden Pond, Hedges, Landscape Beds, Mass Planting, Median Strips, Outdoor Living Areas, Perennial Garden, Shrub Border, Small Groups, Woodland Border

Soil:  Well-Drained

Growth Rate:  Moderate

Zone:  4 - 9

Companion Plants:  Spirea, Abelia, Butterfly Bush, Bloomerang Lilac, Yellow Daylily, Salvia


Kiefer Landscaping is based in Effingham, Illinois. Our landscapers also service the areas of Flora, Olney, Newton, Mattoon and Charleston. For any questions about our other services such as brick paving, lawn mowing, etc., please contact us at 217-347-7500 or email us at