11 Types Of Knock Out Roses

Pink knockout rose photographed up-close, 11 Types of Knock Out Roses

Roses are incredibly beautiful plants. Whether they're planted in the garden or adorn your countertops in a vase, they'll be noticed and appreciated. They're exquisitely designed, smell incredible, and come in many color varieties. With over 150 different species, you're sure to find the perfect variety to match your rose vision.

If you're looking for a type of easy-care rose, look no further than the Knockout Rose family. These roses can be grown individually or in groups, depending on the look you want to achieve with their shrubbing habit of growth. Color options include shades of pink, red, yellow, and white. Their plethora of blooms show from spring until the first frost.

You'll never regret adding the beauty of roses into your garden landscape. Continue reading to discover more about the incredible Knock Out rose variety!

Botanical Background

Knock Out roses were created by William Radler, a creative rose breeder, in 2000. It's even said that he brought rose genetics from the 20th century into the 21st century. While roses are typically a bit difficult to care for and keep maintained, the Knock Out varieties are easy to care for and extra rewarding.

The hybrid roses belong to the family Rosaceae, which is part of the genus Rosa. There are over 150 species of roses and then thousands of hybrid varieties. It's truly incredible the number of roses that are available.

The Knock Out family of roses was bred for high impact blooms and low maintenance. They're one of the most disease-resistant types of roses and they're even self-cleaning. Over 80 million Knock Out roses have been sold since their introduction to the market!

How To Grow Knock Out Roses

Where It Grows

These roses grow wonderfully both individually and in groups. Depending on the rose variety, the plant may be bushy, upright, mounded, or compact. This versatility in growing habit gives you lots of options for how you want them in your landscape.


Knock Out roses grow to an average height between 3 and 4 feet and an average width between 3 and 4 feet. The habit of growth also determines the apparent size of the rose bush. Prune your Knock Out roses during the spring, after there's no more threat of frost. Cut them back to where they measure 12 inches in height. They'll be able to grow to their standard 3- to 4-foot height during their growing season.

Growing Zones And Conditions

Most of the Knock Out varieties grow best in USDA plant hardiness zones 4 through 11. A few can only start growing in zone 5 while others can't be grown in zone 11. Check each variety specifically for the most accuracy!

The roses will need a bit of winter protection like heavy mulch and/or burlap wrappings. Since they are very heat-tolerant, they do well in most hot, sunny locations.

Type Of Soil

The best type of soil for your Knock Out roses is a neutral, balanced one that's well-draining. It should neither be acidic or alkaline; the ideal pH level is between 5.5 and 6.5. Amend the soil with organic compost to give it lots of nutrients.

Light, Water, And Fertilization Needs

Knock Out roses require between 6 and 8 hours of sunlight each day. They are definitely sunshine-loving plants. Typically, the more sun they get, the more flowers they'll produce.

It's important to provide the roses with plenty of water as the plant is getting established. Retaining moisture and keeping weeds out also helps the establishment process.

Fertilize the plant with a unique rose blend feed at the beginning of every bloom cycle. All kinds of roses need lots of nitrogen!

Step-by-Step Growing Guide

  • Pick a spot in the garden that receives between 6 and 8 hours of sunlight
  • Dig a hole that's a bit larger than the container that the rose plant comes in
  • Gently loosen the bottom of the plant then place it in the hole
  • Crumble aerated soil around the plant; add mulch to the top to help the plant retain moisture
  • Thoroughly water the rose plant until it's established
  • Fertilize with a specialized rose formula during its bloom cycle
  • Enjoy your beautifully vibrant roses!

Knock Out Photo Inspiration

Check out the 11 gorgeous types of Knock Out roses and pick out which one will look best in your garden:

1. Radrazz

Rose Knock Out flower

The Radrazz is the original Knock Out rose, setting a new standard for disease-resistant roses. Its foliage is a deep purplish green which highlights the gorgeous cherry red and hot pink hues of the blooms.

Cut Beauties

Hot pink Knock Out roses in a small white flower vase on a glass table

Bring the beauty of Knock Out roses into your home. Cut a few long stems and enjoy what their bright blooms can do for your home's aesthetic.

2. Radtko

The Radtko rose looks like a classic rose because of its double flowers. It has deep purplish-green foliage and cherry red blooms.

3. Radcon

Pink Knock Out Rose flowers in the field.

If you love bright pink petals, the Radcon variety will be one of your top picks. It has single petals and mossy green foliage.

4. Radtkopink

Pink Double Knock Out rose flower in the field.

Enjoy full bubble gum pink blooms and mossy green foliage when you plant the Radtkopink variety. Once it has been established, it has incredible drought tolerance.

Floral Delight

Bright Pink Double Knock Out Roses with brownstone in the background in Park Slope

The Pink Double Knock Out rose brings forth a lot of color and texture to your garden landscape. Sometimes a little anomaly will occur and a rosebud will have a different color than the rest!

5. Radyod

'Rainbow Knock Out' Rose flower in field

Soft pink blooms don this bushy variety. Its mossy green foliage with twinges of blue hues really spotlights the light pink blooms.

6. Radcor

Coral knockout rose with soft background

The Radcor rose is slightly more compact than some of the other varieties. Its petals are coral-colored with a yellow center. Its foliage transitions from deep burgundy to dark green.

Garden Filler

Rainbow Knock Out' Rose flowers in field, Ontario, Canada.

Make a strong impact with your Radcor roses. Since they're a bushier variety, they fill low garden beds beautifully.

7. Radsunny

Sunny Knock Out rose flowers in the field.

Bright sunny yellow is a well-loved color. Sure to brighten the garden, the Radsunny rose variety starts off vibrant and fades to a smooth creamy color. It has a very strong fragrance, too!

Color Transition

Pastel cream color flower of "Sunny knock out"

Enjoy the gorgeous color transition of the Sunny Knock Out rose. Young blooms have a deep yellow color and soften to a creamy ivory color.

8. Radral

Carefree Celebration' Rose flower in field

If you want an abundance of continuously growing blooms, look no further than the Radral variety. At first bloom, they have a strong bronze red color and fade into a sweet coral color.

9. Radgor

Peachy Knock Out rose flowers in field

The Radgor variety has peachy pink petals with a sunny yellow center and dark green, semi-glossy foliage. These are definitely a knock out variety to incorporate into your garden design.

10. Radwhite

Fresh White Knockout Rose from garden

The Radwhite roses grow in a compact, bushy habit full of snowy white blooms. The bright blooms wonderfully contrast with their deep dark green foliage. When the foliage first forms, it's almost black.

11. Meibenbino

If you love a petite flower, you'll love the Meibenbino variety. This is the only miniature Knock Out variety and it won't disappoint. Their fire engine red blooms stand out against their dark green, glossy foliage.

Online Plant Shop

Now that you know so much more about these roses, we're sure you're wondering where you can get your own. Check out the shopping list below to find one to add to your garden today.

Radsunny Live Plant

Green Promise Farms Rosa

This rose plant comes in a 3-gallon container, is fully-rooted, and ready to be planted.

Click here to see more on Amazon.

Radtko Live Plant

Green Promise Farms Rosa

This rose plant comes in a 3-gallon container, is fully-rooted, and ready to be planted.

Click here to see more on Amazon.

Radwhite Live Plant

Green Promise Farms

This rose plant comes in a 3-gallon container, is fully-rooted, and ready to be planted.

Click here to see more on Amazon.

Radral Live Plant

Coral Knock Out Rose Bush

This rose plant comes in a 1-gallon container, is bare-rooted, and ready to be planted.

Click here to see more on Amazon.

We hope you learned a lot about Knock Out roses and consider adding them to your garden! Let us know in the comment section below which variety you intend to use.

Before you go, make sure to check out these other excellent garden guides-

Do Roses Attract Pollinators?

What Are The Parts Of A Rose Plant?

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