Rose 'Double Knock Out'

Rosa

How to grow Rose 'Double Knock Out'

  • Partial Sun

  • Medium

Can be used for beds and borders, garden or landscape. Disease susceptibility: very blackspot resistant.. Remove spent blooms to encourage re-bloom. 1

Try to plant in a location that enjoys partial sun and remember to water moderately. Keep in mind when planting that Double Knock Out is thought of as very hardy, so this plant will tend to survive through freezing conditions. Ensure your soil is loamy and has a ph of between 4.5 and 8.0 as Rose is a moderately acidic soil to weakly alkaline soil loving plant.

Growing Double Knock Out from seed

As a hybrid variety, this plant will not reliably grow true to type from seed.

Transplanting Double Knock Out

Ensure that temperatures are mild and all chance of frost has passed before planting out, as Double Knock Out is a very hardy plant.

Harvesting Double Knock Out

Double Knock Out Patent Information

Bred by William J. Radler (United States, 2004).
Introduced in United States by Conard-Pyle (Star Roses) in 2004.
PP #16202
United States – Patent No PP 16,202

Rose Double Knock Out Etymology

Cultivar Registration name: RADtko

Other Names for Rose 'Double Knock Out'

Double Knockout, Double Knock Out ™

Footnotes