Coral Knockout Rose
Rosa ‘Radral’ PP 19803
Plant Details
USDA Plant Hardiness Zones: 5a-11 Find Your Zone
Plant Type: Modern Shrub Rose
Height at Maturity: 4-5′
Width at Maturity: 4-5′
Spacing: 4′ apart for hedges; 7’+ apart for space between
Spacing: 4′ apart for hedges; 7’+ apart for space between
Growth Habit / Form: Bushy, Dense, Rounded, Mounding
Growth Rate: Fast
Flower Color: Orange shades to Coral
Flower Size: 3-4″
Flowering Period: Spring to Frost!
Flower Type: Double
Fragrant Flowers: No
Foliage Color: Dark Green
Fragrant Foliage: No
Sun Needs: Full Sun or Mostly Sun, Morning Sun with Dappled or Afternoon Shade
Water Needs: Average, low when established
Soil Type: Clay, Loam, Sand, Silt
Soil Drainage: Well drained
Soil pH: 6.0 – 7.0
Maintenance / Care: Low
Attracts: Visual Attention
Resistances: Disease, Drought (when established), Heat, Humidity
Description
One of the easiest roses you’ll ever grow ans the newest addition to the Knock Out Family of roses, the Coral Knock Out produces an abundance of double flowers with orange to coral petals from April to frost on disease free plants. It is just as disease resistant as the famous original Knock Out Rose. The coral color becomes even stronger in hot, humid climates. No need to worry about planting this amazing rose in southern regions as it performs well as far south as Miami, Florida! Every landscape needs a Coral Knock Out Rose.
We have yet to find any other roses that are as consistently disease free as those in the family of Knock Out Roses. Every year, folks send us new roses to try that are touted to be “care free” or “disease free” but, in our gardens, none have come close to rivaling the Knock Out Roses when it comes to disease resistance. So, if you want truly disease-free and low maintenance roses, the Knock Out Roses are your rose!
The Knock Out Family of Roses are exceptionally easy to grow and do not require any special care. They are the most disease resistant roses on the market. They have stunning flower power with a generous bloom cycle (about every 5 weeks) that starts in spring and continues to beyond frost. All of the Knock Out roses are self cleaning so there’s no need to deadhead unless you want to.
All varieties of Knock Out Roses are winter hardy to USDA Zone 5 and heat tolerant throughout the entire U.S.. They thrive in almost every area of the country. In the coldest regions they will need winter protection.
Landscape & Garden Uses
Growing 4 to 5 feet tall and wide, the Coral Knock Out Rose is ideal for use as a specimen, in groupings or as a colorful hedge in landscape and flowering shrub borders and home foundation plantings. This rose is so reliable and attractive throughout the season we have no problem suggesting it for use in home foundation plantings. A fine addition to rose gardens, cottage gardens and red theme color gardens.
Note: For our customers who live and garden north of USDA Plant Hardiness Zone 5a, where this Knock Out Rose variety is not winter hardy, you’ll be happy to know it can be grown in containers that can be brought indoors during winter and placed back outside when temperatures warm up in spring.
Growing Preferences
The Coral Knock Out Rose is one of the easiest roses you’ll ever grow.
Knock Out Roses are exceptionally easy to grow in average, moist but well-drained soils in full sun to part shade. As with all other roses, to avoid powdery mildew on the leaves, morning sun is a must to dry dew from the leaves. Afternoon shade or filtered sun is fine. We suggest 6 hours or more of direct sun light for best flowering.
Maintenance is minimal. Knock Out Roses do not require pruning, however, they do benefit from it. To keep your Knock Out Rose full and bushy from year to year prune the branches back to about 15-18 inches above the ground in late winter or early spring. After this hard pruning, your Knock Roses will quickly flush out and start blooming with the arrival of warmer spring temperatures. Deadheading spent flowers through the season is not necessary however will encourage new buds and flowers.
Helpful Articles
Click on the link below to get helpful advice for how to plant and care for Knock Out Roses.
How To Plant, Prune, Fertilize & Water Knock Out Rose Bushes
Plant Long & Prosper!
Meet The Wilson Brothers & Staff
Questions? Contact Us!
Arrived in xcellent condition with blooms already on plant.. I transferred to my own pots, placed in a sunny area and they have continued to make a beautiful show from my window.—————————We are so glad you are pleased with your purchase! Thanks for the great review! Beth | WBG 🙂
I received my rose bush about 2 weeks ago. I have not planted it yet , as its been too hot here. But i have to say that i was impressed at how well it was packaged and arrived very well and healthy looking. I am so looking forward to planting it and watching for the beautiful flowers to open up and bloom. By the way i ordered the “Knock Out Coral Rose “ busn.———————————————We are so glad you are pleased with your purchase! Thanks for the great review! Beth | WBG 🙂
Healthy well packed bushes arrived in a timely manner. The bushes were planted promptly and are just beautiful! I highly recommend Wilson Bros Gardens.———————————————-We are so glad you are pleased and we hope you enjoy them for years to come! Thanks for the great review! 🙂 Beth Steele | WBG
The plant was exactly as described and arrived in excellent condition. The preparation for shipping is outstanding, assuring the rose arrives in excellent condition. Thank you for great service.——————————-Thanks for the great review! We are so glad you are pleased! Beth | WBG
Received a real nice rose. What a color! —————- WBG Reply: Hi! Thanks for the review of the Coral Knock Out Rose and hope you enjoy it for years to come…it is a beauty!
Brent | Wilson Bros Gardens
Brent | Wilson Bros Gardens
We ordered a rose from you and we are very impressed!
I called Wilson because we wanted to send a rose to friends in Idaho and I was calling from Seattle. Your customer rep was terrific (sorry, can’t remember her name) and researched and suggested a cold-hardy variety that could stand up to Idaho winters; assured me you could get it there quickly and you did!
First, I’ll admit,we tried to order through that other ‘nationally known’ rose brand… and they failed miserably… delaying and delaying our order, saying it hadn’t arrived at their warehouse yet… but only when I kept calling, because they would never notify me. After two calls, I canceled and will never work with them again.
Thank you… the rose we sent was to honor the death and memory of their son; and you helped us do that.
Thanks—————————–WBG Reply: Hi Bob & Sonja, Thanks so much for taking the time to provide your review of the Coral Knock Out Rose. We are so glad you are pleased and we hope you enjoy it for years to come! Thanks for the kind words!
Beth Steele | Wilson Bros Gardens
I called Wilson because we wanted to send a rose to friends in Idaho and I was calling from Seattle. Your customer rep was terrific (sorry, can’t remember her name) and researched and suggested a cold-hardy variety that could stand up to Idaho winters; assured me you could get it there quickly and you did!
First, I’ll admit,we tried to order through that other ‘nationally known’ rose brand… and they failed miserably… delaying and delaying our order, saying it hadn’t arrived at their warehouse yet… but only when I kept calling, because they would never notify me. After two calls, I canceled and will never work with them again.
Thank you… the rose we sent was to honor the death and memory of their son; and you helped us do that.
Thanks—————————–WBG Reply: Hi Bob & Sonja, Thanks so much for taking the time to provide your review of the Coral Knock Out Rose. We are so glad you are pleased and we hope you enjoy it for years to come! Thanks for the kind words!
Beth Steele | Wilson Bros Gardens





















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