Rainbow Knock Out® Rose Tree
Rosa x 'Radcor'
Continuous blooms from spring to frost
Disease-resistant and low maintenance
Compact size suitable for small gardens
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Colorful, Hardy Roses Without the Hassle
Why Rainbow Knock Out® Rose Trees?
The Rainbow Knock Out® Rose Tree is the same classic Knock Out® you love…but now with deep coral blossoms and yellow pops of color for a unique twist. Even better is the fact that these eye-catching blooms emerge continuously and voluminously, without hassle.
And since it’s a member of the Knock Out® family, you get the best benefits. You’ll get showy, vibrant florals effortlessly since this flowering tree features amazing resistance to common rust, mildew and black spot. So, no harsh chemicals or sprays are necessary to help it thrive. Plus, it’s versatile since it can be planted as a tree or a low hedge and is more compact than its fellow family varieties.
About Knock Out® Roses: First introduced in 2000, the “Knock Out” family of roses has revolutionized the rose industry and remains the most prolific flowering shrub ever introduced. Each of the varieties in the brand are disease resistant, require minimal maintenance, and produce continuous blooms that last from spring to fall.
Why Fast-Growing-Trees.com is Better
But the best part of the Rainbow Knock Out® Rose Tree? It’s a proven performer. That means you’ll get consistent flowers and burgundy-to-green foliage each year. We’ve planted, meticulously monitored and shipped your tree with care from our nursery, so you get the absolute best results in your homescape.
Basically, we’ve done the hard work so that you reap the rewards. And there’s nothing quite like the promise of blooms without all the fuss. Order your own Rainbow Knock Out® Rose Tree today, before it’s gone!
Full Planting & Care Instructions
Product Details
Mature Height: | 3-4 ft. |
Mature Width: | 3-4 ft. |
Sunlight: | Full Sun, Partial Shade |
Bloom Season(s): | Spring Blooming, Summer Blooming, Fall Blooming |
Growth Rate: | Moderate Growing |
Botanical Name: | Rosa x 'Radcor' |
Does Not Ship To: | AK, AZ, HI |
Grows Well In Zones: | 4-11 outdoors |

Growing Zones: 4-11 outdoors
(hardy down to -20℉)
Customer Reviews & Photos
Based on 42 reviews








Beautiful Blooms
This lovely rose tree has bloomed all summer long. It has grown and thrived. We have really enjoyed it! We would definitely order from you again.
Fast grower; never not in bloom
Out of the box it looked a little worse for wear, but it was already full of faded blooms and thick growth. I trimmed off all the old blooms and faded leaves off at potting, gave it a little fertilizer, and it took off. It's bloomed continuously since, and it's grown like kudzu. I deadhead it a lot. I've had to trim it hard once already this summers, and will have to that one more time at least before end of season. I put it in a fairly small pot and have to water a lot, and fertilize it. Of course, it doesn't look picture-perfect like the photo, but when do they? But I'm happy with it. It's a blooming beast!
Beautiful Bush
As always this item arrived on time and intact. Ready to plant and had already started to thrive in my garden. I love the variety and quality of plants provided
Great purchase, blooming like crazy
Great company to deal with
Doesn't look like the photo, but VERY nice!
We purchased 2 of these for our newest flowerbeds. They are in separate beds in a very warm, sunny location. They do like moderate water and summers in Arkansas are often brutal, but they have endured the heat thus far and are still blooming quite nicely! We added a little fertilizer and noted that the leaves darkened up and the flower production increased considerably afterwards. Very strong, sturdy trunk with a nicely shaped canopy. Looking forward to having these for many years to come. NOTE: black spot fungus has caused some damage, but we treated accordingly and they have since recovered and replaced the damaged leaves!