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Rose 'Rainbow Knock Out'   


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Belonging to the Rosa genus (Rosa 'Rainbow Knock Out'), Rainbow Knock Out is a variety of Rose. Rainbow Knock Out is a patented hybrid variety. Blooms appear in these approximate colours:   Coral pink and   Light coral.

Rainbow Knock Out is a variation of Knock Out – this compact, bushy shrub rose produces coral pink blooms with a yellow centre (average diameter of 2 inches with 4-8 petals). Has a sweet but non overpowering fragrance and blooms prolifically throughout the growing season.

It grows mainly as a Perennial, which means it typically grows best over a long period (from 3 years+). Rainbow Knock Out is known for its Shrub habit and growing to a height of approximately 1.20 metres (3.90 feet).

United States is believed to be where Rainbow Knock Out originates from.

Rainbow Knock Out Rose needs a moderate amount of maintenance, so some level of previous experience comes in handy when growing this plant. Ensure that you are aware of the soil, sun, ph and water requirements for this plant and keep an eye out for pests.

This variety plant info is provided by the myfolia gardener's wiki. All details about Rainbow Knock Out have been kindly provided by our members.

How to grow Rainbow Knock Out

  • Partial Sun

  • Medium

Try to plant in a location that enjoys partial sun and remember to water moderately. Keep in mind when planting that Rainbow Knock Out is thought of as very hardy, so this plant will tend to go dormant over the long winter months. The USDA Hardiness Zones typically associated with Rainbow Knock Out are Zone 4 and Zone 9. Planting Rainbow Knock Out in loamy soil with a ph of between 4.5 and 8.0 is ideal for as it does best in moderately acidic soil to weakly alkaline soil.

Growing Rainbow Knock Out from seed

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

Transplanting Rainbow Knock Out

As Rainbow Knock Out is very hardy, ensure temperatures are mild enough to plant out - wait until after your last frost date to be on the safe side.

Harvesting Rainbow Knock Out

Rainbow Knock Out Patent Information

Bred by William J. Radler (United States, 2007).
Introduced in United States by Conard-Pyle (Star Roses) in 2007 as ‘Rainbow Knock Out’. 1

US Patent PP17,346

Rose Rainbow Knock Out Etymology

Registration name: RADcor


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