• vibrant coral rose shrub
  • coral knockout rose bush from garden goods with a bright flower and green leaves

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Coral Knock Out® Rose

Rosa 'Radral' PP19803

Coral Knock-Out Rose offers vibrant, coral-colored blooms that continuously flower from spring to frost, adding long-lasting color and beauty to any landscape. Ideal for mixed borders, mass plantings, or as a striking focal point, this low-maintenance, disease-resistant rose thrives in full sun and provides exceptional landscape performance with minimal care.

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Coral Knock Out Rose Bushes for Sale Online


The Coral Knock Out® Rose is a vibrant and hardy shrub rose, perfect for adding a pop of color to your garden. Its eye-catching coral blooms appear in abundance from spring until frost, making it a standout choice for continuous color. Ideal for garden beds, borders, or even containers, the Coral Knock Out Rose grows well in USDA Hardiness Zones 5-11, offering impressive versatility across a range of climates. With a mature size of 3-4 feet tall and wide, this rose is compact enough for small gardens but impactful enough to make a bold statement.

A favorite among gardeners for its low-maintenance care, the Coral Knock Out® Rose thrives in full sun and is known for its excellent disease resistance. This resilient rose is highly resistant to black spot and powdery mildew, two common rose ailments. It requires little pruning and no deadheading, as the flowers are self-cleaning. Once established, it also displays strong heat and drought tolerance, making it an ideal choice for those seeking a carefree, long-blooming shrub that looks beautiful with minimal effort.

In addition to its stunning coral flowers, the Coral Knock Out® Rose adds seasonal interest with its lush green foliage, which transitions to a rich purple in the fall. Reaching a mature size of 3-4 feet, it’s perfect for creating colorful hedges, enhancing landscape designs, or accentuating garden borders. Its compact size makes it suitable for both large and small spaces, and it can even thrive in patio containers. Whether used as a focal point or a bright accent in the garden, the Coral Knock Out Rose delivers lasting beauty year-round.


Growzone: 4-10 Coral Knock Out® Rose Hardiness Zone 4-10
Hardiness Zone: 5-11
Mature Height: 3 to 4 Feet
Mature Width: 3 to 4 Feet
Classification: Broad leaved deciduous shrub rose
Sunlight: Full sun for best blooms
Habit: Upright, rounded, densely branched
Foliage: Dark green, red new growth
Flower Color: Deep coral pink
Pruning Season: Prune in late winter
Soil Condition: Any well drained soil
Water Requirements: Water well until established
Uses: Extremely attractive when used as a focal point in the mixed border, mass planting, or a specimen planting

How to Care for Coral Knock Out® Rose

Be sure to read our planting instructions to ensure a healthy and happy Coral Knock-Out Rose for years to come!

How Do I Plant A Coral Knock-Out Rose Bush?

How Do I Plant A Coral Knock-Out Rose Bush?

Planting a Coral Knock Out® Rose bush is simple and rewarding with the right steps. First, choose a location that receives full sun, as these roses thrive with at least 6-8 hours of direct sunlight each day. Dig a hole twice as wide and slightly deeper than the root ball of your rose bush. Loosen the soil at the bottom of the hole to encourage good drainage and root growth. When placing the Coral Knock Out Rose in the hole, ensure the top of the root ball is level with or slightly above the ground surface to avoid root rot. Backfill the hole with soil and water thoroughly to settle the soil around the roots. After planting, apply a 2-3 inch layer of mulch around the base of the Coral Knock Out® Rose to help retain moisture and suppress weeds. Water the rose bush deeply once or twice a week, especially during the first growing season, to establish a strong root system. Prune in early spring, just as new growth begins, to encourage bushy growth and continuous blooming throughout the season. With proper planting and care, your Coral Knock Out Rose will provide vibrant coral blooms from spring through fall, enhancing your landscape with minimal effort.

How Do I Water A Coral Knock-Out Rose Bush?

How Do I Water A Coral Knock-Out Rose Bush?

Watering a Coral Knock Out® Rose bush properly is key to its health and vibrant blooms. During the first growing season, water deeply about once or twice a week to help the rose establish a strong root system. Ensure the water reaches the roots by watering at the base of the plant rather than using overhead sprinklers, which can lead to fungal issues. In general, about 1-2 inches of water per week is sufficient, but adjust based on weather conditions. In hotter climates or during dry spells, you may need to water more frequently to keep the soil consistently moist but not waterlogged. Once your Coral Knock Out® Rose bush is established, it becomes more drought-tolerant, but regular deep watering will encourage the best blooms. To conserve moisture, consider applying a layer of mulch around the base of the plant, which helps to retain water and reduce evaporation. Be cautious not to overwater, as this can lead to root rot. A good rule of thumb is to water when the top inch of soil feels dry. Proper watering ensures your Coral Knock Out Rose stays healthy and produces continuous blooms throughout the growing season.

How Do I Fertilize A Coral Knock-Out Rose Bush?

How Do I Fertilize A Coral Knock-Out Rose Bush?

Fertilizing a Coral Knock Out® Rose bush is essential for promoting strong growth and vibrant blooms throughout the season. Begin fertilizing in early spring, just as new growth starts to appear. Choose a balanced, slow-release fertilizer specifically designed for roses, such as a 10-10-10 or 12-6-6 blend, which provides the ideal mix of nitrogen, phosphorus, and potassium. Apply the fertilizer around the base of the plant, following the package instructions for the correct amount, and water thoroughly to help the nutrients penetrate the soil. Avoid direct contact of fertilizer with the stems, as this can cause damage. For ongoing care, feed your Coral Knock Out Rose every 4-6 weeks during the growing season, from spring through early fall. Be mindful not to fertilize after late summer, as this can encourage new growth that may be damaged by frost. In addition to regular feeding, you can also amend the soil with organic matter such as compost or well-rotted manure to enhance soil quality and provide extra nutrients. Consistent fertilizing ensures your Coral Knock Out Rose stays healthy, producing lush foliage and abundant coral blooms from spring until frost.

How Do I Prune A Coral Knock-Out Rose Bush?

How Do I Prune A Coral Knock-Out Rose Bush?

Pruning a Coral Knock Out® Rose bush is essential for maintaining its shape, encouraging healthy growth, and promoting abundant blooms. The best time to prune is in early spring, just as new growth starts to emerge. Begin by removing any dead, damaged, or diseased branches using clean, sharp pruning shears. Cut these branches back to healthy wood, making sure your cuts are at a 45-degree angle to prevent water from settling on the cut surface. Next, thin out the center of the bush by cutting away crossing branches to improve air circulation, which helps reduce the risk of disease. To shape your Coral Knock Out Rose, prune back the entire plant by about one-third of its total height. This encourages compact, bushy growth and results in more prolific blooms throughout the growing season. You can also lightly trim spent flowers during the blooming season to encourage continuous flowering, though deadheading is not required for this self-cleaning variety. Regular pruning not only keeps your Coral Knock Out Rose looking tidy but also helps it maintain its vigor, ensuring it will bloom beautifully from spring through fall.


Frequently Asked questions

Is Coral Knock-Out Rose resistant to Rose Rosette Disease?

Is Coral Knock-Out Rose Deer Resistant?

Is Coral Knock-Out Rose Salt Spray Tolerant?

Can Coral Knock-Out Rose Be Grown in Pots?

How Do I Plant and Maintain a Hedge of Coral Knock-Out Roses?


General questions

What do the pot sizes mean?


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