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Original Red Knock Out Rose – 3 Gallon Pot
Original price was: $55.97.$39.18Current price is: $39.18.
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Red Knockout Rose
Rosa ‘Radrazz’
Plant Details
USDA Plant Hardiness Zones: 5a-9b Find Your Zone
Plant Type: Modern Shrub Rose
Height at Maturity: 4-5′ when pruned 15-18″ above ground in late winter
Width at Maturity: 4-5′ when pruned 15-18″ above ground in late winter
Spacing: 4′ apart for hedges; 8’+ apart for space between
Spacing: 4′ apart for hedges; 8’+ apart for space between
Growth Habit / Form: Bushy, Dense, Rounded, Mounding
Growth Rate: Fast
Flower Color: Bright Cherry Red
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
Red Knock Out Rose is the original in the family of Knock Out Roses and it is the easiest rose you’ll ever grow! This disease-free wonder produces an abundance of single, bright cherry-red blooms from April to frost with no deadheading necessary. If left to grow naturally, with no pruning, we’ve found that this one grows considerably taller than other Knock Out varieties…upwards of 8 feet, which makes it a great selection for espalier (growing against a wall) without the need for a trellis, though a trellis can be useful for some support. Otherwise, if pruned to 15 inches above ground every late winter the bush will max out at about 5 feet tall and wide.
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 8 feet tall and 4 to 6 feet wide depending on pruning, the Red 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 as aan accent, hedge or espalier (trained to grow flat against a wall) in home foundation plantings. A fine addition to rose gardens, red theme gardens and cottage 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
Red 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!
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