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Sunny Knockout Rose
Rosa ‘Radsunny’ PP#18562
Plant Details
USDA Plant Hardiness Zones: 5a-9b Find Your Zone
Plant Type: Modern Shrub Rose
Height at Maturity: 4-5′ with annual late winter pruning to 15-18″ above ground
Width at Maturity: 4-5′ with annual late winter pruning to 15-18″ above ground
Spacing: 4′ apart for hedges or 6’+ apart for space between
Spacing: 4′ apart for hedges or 6’+ apart for space between
Growth Habit / Form: Bushy, Dense, Rounded, Mounding
Growth Rate: Fast
Flower Color: Yellow
Flower Size: 3-4″
Flowering Period: Spring to Frost!
Flower Type: Semi-Double
Fragrant Flowers: Yes
Foliage Color: Dark Green
Fragrant Foliage: No
Attracts: Visual Attention
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
Resistances: Disease, Drought (when established), Heat, Humidity
Description
One of the easiest roses you’ll ever grow, the Sunny Knock Out Rose is much like original but, instead of cherry red blooms, it produces an abundance of fragrant yellow flowers from April to frost. The yellow flowers fade to white providing an eye-catching two-tone effect on the shrub throughout the flowering season. Sunny Knock Out is just as disease resistant as the famous original 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 Sunny Yellow 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
Sunny Yellow Knock Out Rose is the easiest rose 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 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 find 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!
Usually everything I order from Wilson Bros is pristine but this order needs a little TLC. The roses are beautiful but some of the leaves on each plant are gold and have black spots. They just need a little attention to bring them back to their full glory.. Still love Wilson Bros. and will always be my first stop when looking for plants.———————————————Yea, mine at home are doing a little of the same, just snip them off and use some Neem Oil on them, that usually does the trick. Keep us posted. We are so glad you are pleased with your purchase! Thanks for the great review! Beth | WBG 🙂
My rose arrived in perfect order. I planted it the day I received it it is doing incredibly well. It has roses all over it. I was really surprised to see the number of blooms and how well the plant took to the spot it was planted. I’m looking forward to many years of blooms. Oh, and they have a delightful scent. Very excited about plants from This merchant!———————————————-We are so glad you are pleased and we hope you enjoy it for years to come! Thanks for the kind words and great review! 🙂 Beth Steele | WBG
I was worried about buying any plants on line, but with the last freeze we had, the inventory in our area was severely depleted.. Ill be using Wilson Bros. a lot more in the future! The plant was packed perfectly, arrived in great shape, and has really taken off now!——————————–We are so glad you are pleased and we hope you enjoy it for years to come! Thanks for the kind words and great review! 🙂 Beth Steele | WBG
Ordered late in the season, but it arrived in great shape and it grew new stems and buds quickly and was blooming within 4 weeks of planting… can not wait until next year to see what it does in a full growing season…———————————–We are so glad you are pleased and we hope you enjoy it for years to come! Thanks for the great review! 🙂 Beth Steele | WBG
Thanks for asking, the roses have bloomed even as small as they are. Very pretty! Looking forward to seeing them get big and filling in the area where they are planted.—————————————-We are so glad you are pleased! Beth | WBG
Arrived perfect and is thriving!————————Hi Beckie, Thanks so much for taking the time to provide your review of the Sunny Yellow Knock Out Rose. We are so glad you are pleased and we hope you enjoy it for years to come! 🙂
Beth Steele | Wilson Bros Gardens
Beth Steele | Wilson Bros Gardens
These smell wonderful. And do well in Central Florida. As do the Drifts. Came nice, well-packaged, promptly. Will definitely order plants from Wilson Bros Gardens again. ———————– WBG Reply: Hi Theresa – Thanks so much for taking the time to provide your review of the Sunny Yellow Knock Rose and hope you enjoy it for years to come! Let us know if there’s ever anything else we can help you with. We’re at your service. – Brent | Wilson Bros Gardens
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