Sunny Knock Out® Rose

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Description

Cheerful yellow buds burst into creamy white flowers. These vigorous, landscape-quality plants produce an abundance of fragrant 3-inch flowers. Dark, semi-glossy foliage. Strong disease resistance keeps them looking great. Compact, upright growth habit. Reaches 4 to 5 feet tall and wide. Blooms all season long. May be covered by USPP #18,562 or other patents. This patented variety is sold under license from the patent owner. Radsunny cultivar

Characteristics

Bloom Color Cream, White, Yellow
Hardiness Zone Range 5 - 9
Shade/Sun Full Sun
Soil Composition Loamy
Soil Moisture Well Drained
Soil pH Level 5.5 - 7.0

Zone Compatibility

This Variety's Zone Range 5 - 9
My Hardiness Zone ?
The USDA hardiness zones offer a guide to varieties that will grow well in certain climates. Each zone corresponds to the minimum winter temperatures experienced in a given area. Make sure that your hardiness zone lies within the zone compatibility range of this variety before ordering.

Tools & Supplies

Having the proper tools and supplies when growing your own can make the difference between a good harvest and a great harvest! Here's a list that our experts recommend for this variety.

Planting & Care

Learn all about how to grow roses in The Growing Guide. An entire section of our website dedicated to your growing success.

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Questions & Answers

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24 Questions
Why did you choose this?

Yellow rose of Texas! Beautiful…..

I love knock out roses. Yellow knock outs are difficult to find.

Since it is on sell, I decided I would try it.

The knockout rose website says this is one of the most fragrant, so when I discovered trusted, quality, affordable Stark has it, I had to give it a try!

4" pot is def small, will it get knee high by 1 summer?

I ordered these and planted them in front of a tree lace. I planted spring and they were more than knee high by the end of that same summer!! They were beautiful and easy. I hope this helps!

Hi,
My husband just want to plan the knockout rose and which just need high around knee or less than 20". Do you think it good idea to get the petite knockout rose. How many pot should we buy to put along 25' the wall?

They are very beautiful and have a pleasant fragrance. They will draw hummingbirds butterflies and honey bees. They will get taller that 20" if you don't keep them pruned back in the fall after dormant. They will bush out quite a bit so if you do choose to plant them I would suggest 8 or 9 bushes.

can these knock out roses survive with morning sun?

Yes- these roses are very tolerant of different light levels. I have Sunny
Knockout roses growing in a north facing location with some receiving morning sun and others receiving afternoon sun. All of the roses are thriving, but the ones that receive morning sun are larger and have been blooming all summer.

The sunny knock rose , is it a good plant for large pots ?

It is, although they can get pretty large. You'll probably want to prune it back a bit to keep it looking proportional.

What are Fast growing bushes for hot weather?

Knock Out roses grow like crazy. If you enter your ZIP code at the following link and we'll be able to display the popular products that are available and rated for your location: //www.starkbros.com/zone-finder

If you find something you like, let me know the name of it and I can tell you whether it's a fast-grower.

when I plant my Sunny Knock Out rose do I need to add compost or any fertilizer or wait until spring?

It's best to the amend the soil in the planting hole when you plant the rose bush, but don't fertilize until spring. That will encourage new growth now that will be damaged by frost/cold.

Do they have much fragrance?

Knock out roses don't have any scent at all. Just pretty to look at.

Does this yellow,white, cream rose have a scent?

Hi, yes it does have a smell but you have to get very close. I have mine in a pot and there are not a lot of blooms at once. I was hoping for more of a fragrance.

I had knock out roses that I loved. However, they got rose-rosette disease and so I have not replanted. Do you know if this strain is susceptible to rose-rosette disease?

I have 2 sunny knock out roses, neither of which appear to be experiencing any sort of disease. In fact, a couple of other nearby roses had black spot but these 2 showed no evidence of that either.
Before planting another in their place, I'd just make sure the disease isn't transmitted via the soil.

Are knock out rises deer resistant ?

Roses in general are often nibbled on by deer. But, my Sunny Knock-Out roses are in my back yard, behind a fence. Therefore the deer in my neighborhood leave them alone. I enjoy seeing them bloom all season long.

Customer Reviews

80 Ratings
4.0out of 5 stars
80 Ratings

Rated 5 stars by 57% of reviewers

Rated 4 stars by 12% of reviewers

Rated 3 stars by 9% of reviewers

Rated 2 stars by 10% of reviewers

Rated 1 star by 11% of reviewers

1-10 of 80 Reviews
Rated 5 out of 5
Feb 28, 2024
Dependable plants
I'm very happy with the quality of my knockout rose. It bloomed the first year and was just a baby. :-)
Rated 5 out of 5
Dec 30, 2023
They came smaller than I expected, but, wow, what a lovely fragrance they have. You will enjoy their beauty as well.
Rated 5 out of 5
Jul 29, 2023
Bloom Baby Bloom!
My new home is yellow and I wanted to plant yellows as a theme. Knock out roses are wonderful roses but usually they do not have fragrance. These ones do, what could be better! I ordered 6 in total to create mass plantings. They come in a tiny pot but I assure you they are quick to grow and show. After planting in May, I started by pinching off the buds to allow energy to go to the roots. Lo and behold by the end of July I was like go ahead and bloom baby bloom. A lovely gift from the Lord.
Rated 5 out of 5
Jul 23, 2023
good folks to do business with
plants were well packaged and arrived in good shape...one of the little fellers was blooming a week after planting...we are very satisfied with our purchases from stark bros..
Rated 5 out of 5
Jun 19, 2023
Happy color, growing well
It's still small but growing and provided us a flower already.
Rated 5 out of 5
Jun 9, 2023
Roses
Came timely and is thriving. Was small but growing and flowering
Rated 5 out of 5
Jun 3, 2023
Yellow sunshine
Smallest of my knock out rosé varieties. Yellow brighten ups the landscape. Disease and drought resistant .
Rated 5 out of 5
Nov 6, 2022
Very pretty yellow roses, started small, can’t wait to see them next spring
Rated 5 out of 5
Sep 20, 2022
carol
now is reblooming after the intense heat f the summer. always order these knockout roses. they survive extreme weather.
Rated 5 out of 5
Apr 5, 2022
These are lovely and continue to grow well each year.