Rainbow Knock Out® Rose

Availability: Out of stock

Carefree, Happy, Pretty Rainbow Knockout® Rose

  • Coral-Pink Single Blooms with Yellow Centers
  • Compact Shrub Rose
  • Reblooms All Season Long
  • Low Maintenance Shrub Rose
  • New Foliage Emerges Deep Burgundy, Ages to Dark Green
  • Disease Resistant to Black Spot
  • Cold Hardy
  • Heat Tolerant

If you'd like to establish a pretty landscape that is long on charm, but only takes a short time to maintain, use Rainbow Knock Out Rose (Rosa x Radcor' PP17,346). It creates a fantastic sweep of color in no time. The proven performance makes it an outstanding choice for low maintenance gardens.

These compact cuties will grow just about anywhere in the United States! They feature single, bicolor blooms that resemble wild Roses. Cheerfully consistent, Rainbow Knock Out Roses bloom all throughout the growing season.

You'll be able to count on it to brighten up your landscape from late spring all the way through fall. These showy little Shrub Roses offer a wonderful value!

Plant them in the ground or use them in colorful containers. Use one or use several in a long drift or mass planting for a huge boost of curb appeal.

And it's not just the blooms that catch your eye. The glossy, dark green foliage starts out as a brilliant, deep burgundy, which provides a delicious visual contrast to the coral petals.

Rainbow Knock Out Roses seem to glow in the sunlight! Plant them near your patio seating area, and you'll heighten the scene for family and friends.

Compact Rainbow Knock Out shrub Roses deliver big on style with a never-ending floral display all through the season. You'll love the spectrum of tones and the abundance of sassy, multi-colored blooms!

People across the country are hunting for these easy care plants. They love the high-end quality and convenience of ordering online from Nature Hills. Order this sweet Shrub Rose for your garden today, before we run out of stock.

How to Use Rainbow Knock Out® Rose in the Landscape

Use this bushy Rose almost anywhere in the garden. Plant as a low hedge by spacing plants 3 feet on center. You'll measure from the center of one to the center of the next.

Use this as a perfectly modern front yard foundation plant to greet your guests in style. Plan a long, curved sweep or create a mass planting to fill in a wide, sunny spot.

Plant them 2 - 3 feet apart in a zig-zagging planting pattern. Mulch between plants and keep them weeded as they fill in.

Use several as "Thrillers" in large containers placed along your patio for an easy-breezy summer display. You'll be able to dress these up and down. Knock Outs are a forgiving plant that works well with many styles.

For a more modern look, buy multiples of the same terracotta container with a streamlined shape. Or for a fun Boho style, choose a varied collection of glazed containers in a range of blues and purples, with different shapes and sizes that harmonize together.

#ProPlantTips for Care

Give these knockout Roses a full sun location in soil that drains well. Feed a good organic fertilizer in early spring, and again in mid-summer.

Mulch your plants to 3 to 4 inches deep and spread out 3 feet from the outside of the laterals. This will keep roots cool and maintain surface moisture. This will also help in controlling weeds and provides a nice, uniform look to the garden bed.

You may not need to prune every year, but can easily keep them clipped back by removing ? of the length of the branches in late winter. Head them back and make your pruning cut right above a swelling bud.

You can also remove the thickest, oldest stems all the way down to the ground. This will rejuvenate your Rainbow.

These top performers are a go-to selection for hard-working families. You'll love the smaller size. Like all Knock Outs, these are bred for toughness and disease resistance. They won't give you any trouble in the landscape.

Order plenty of them but act now! We'll run out of these Rainbow Knock Out Roses in no time.

Buying Options for Plants

Nature Hills sells a large variety of plants with several options available. Plants are offered in both potted containers and as dormant bare root without soil. Here is a helpful resource to understand your options as you create a beautiful landscape with help from Nature Hills.

Ever wonder what a larger plant will mean for your landscape? Container Sizes are really all about the age of the plant!

Seasonally, Nature Hills offers hand selected, high quality bare root trees, shrubs and perennials. Bare root plants are sold by height from the top of the root system to the top of the plant. Plants may be taller than the height minimums.

  • Popular sizes of select trees are 1 foot, 2 feet, 3 feet, etc.
  • Popular sizes of select bare root plants is 1 foot, 18 inches, etc.

Nature Hills Container Size by Volume

Keep in mind, specific varieties and different growing conditions can affect the rate at which plants grow. Variations in size may occur.

Young Plants to 18 Months
Size Volume
2"x2"x3" Ranges from .18 to .21 dry quarts / .198 to .23 dry liters in volume
4.5" Container Equal to .65 dry quart / .72 dry liter in volume
Sprinter Pot Equal to .63 dry quart / .69 dry liter in volume
4" Container Ranges from .31 to .87 / .35 to .96 dry liter in volume
6" Container Equal to 1.4 dry quarts / 1.59 dry liters in volume
1 Quart Equal to 1 dry quart / 1.1 dry liter in volume
5.5" Container Equal to 1.89 of a dry quart / 2.08 dry liters in volume
4"x4"x5" Ranges from .8 to 1.1 dry quarts / .88 to 1.2 dry liters in volume
4"x4"x6" Ranges from 1.0 to 1.3 dry quarts / 1.1 to 1.41 dry liters in volume
4"x4"x9" Ranges from 1.1 to 2.1 dry quarts / 1.2 to 2.3 dry liters in volume
4"x4"x10" Ranges from 1.7 to 2.3 dry quart / 1.87 to 2.53 dry liters in volume
Plants 18 Months - 2.5 Years Old
Size Volume
2 Quart Equal to 2 dry quarts / 2.2 dry liters in volume
#1 Container Ranges from 2.26 to 3.73 dry quarts / 2.49 to 4.11 dry liters in volume
5"x5"x12" Equal to 3.5 to 4.3 dry quarts / 3.85 to 4.74 dry liters in volume
Plants 2 - 4 Years Old
Size Volume
#2 Container Ranges from 1.19 to 1.76 dry gallons / 5.24 to 7.75 dry liters in volume
#3 Container Ranges from 2.32 to 2.76 dry gallons / 10.22 to 12.16 dry liters in volume
Plants 3 - 5 Years Old
Size Volume
#5 Container Ranges from 2.92 to 4.62 dry gallons / 12.86 to 20.35 dry liters in volume
#7 Container Ranges from 5.98 to 6.08 dry gallons / 26.34 to 26.78 dry liters in volume

About Plant Sentry™

Plant Sentry is designed to protect both consumers and the nursery trade from invasive plant pests and diseases. Sites that display the Plant Sentry protection badge are protected from consumers buying and nurseries shipping material carrying invasive pests and diseases.

This proprietary eCommerce software prevents the shipment of a restricted plant to each state. The Plant Sentry system includes a shipment certification program. The Plant Sentry Compliance Officer works closely with NatureHills.com and each nursery or fulfillment center to ensure only compliant plants are sold to customers.

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Plant Sentry


To obtain a more accurate shipment time-frame, simply enter your zip code in the “Find Your Growing Zone” box to the right. Our plants are grown all over the country and lead time on items may be different because of this. Once your order is placed, you will also receive the specific shipment time-frame information as part of your order confirmation. Once an item ships, you will receive shipment notification and tracking numbers, so you can follow along while your plant travels to your doorstep. We use FedEx, UPS, or USPS at our discretion.

Shipping Rates

At Nature Hills we handle, package and ship the products you order with the utmost care to ensure healthy delivery. Shipping and handling charges are calculated based on the tables below. Please note that some items include an additional handling surcharge, these will be noted on the item's product page.

From To S&H
0 - 19.99 18.99
20 - 49.99 21.99
50 - 69.99 24.99
70 - 99.99 29.99
100 - 129.99 34.99
130 - 149.99 41.99
150 - 150+ Approx 27%

Click here to see our full rates


Rainbow Knock Out® Rose Is Suited to Grow in Zones 4-11
Growing Zones 4-11
More Information
Brand Knock Out
Botanical Name Rosa x 'Radcor'
Type Deciduous
Mature Height 3 - 4 feet
Mature Spread 3 - 4 feet
Sun Exposure Full Sun
Soil Well Drained
Moisture Moderate
Growth Rate Medium
Flower Color Pink, Yellow
Foliage Color Green
Pollinator Friendly Yes
Pruning Time Early Spring