
Sunny Knock Out Rose
Rosa 'Radsunny'
43 reviews
Sunny Knock Out Rose
Rosa 'Radsunny'
43 reviews
- Disease resistant
- Continuous blooming throughout the season
- Tolerant of heat and humidity
- Recommended by landscape designers for optimal fit in real yards
$60.00
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Not just beautiful - intentionally selected by ShrubHub's 3D landscape design team to fit real-world spaces and maximize yard potential.
Why Sunny Knock Out Rose?
The Sunny Knock Out Rose (Rosa 'Radsunny') is a popular choice among gardeners due to its numerous benefits. This rose variety is highly resistant to diseases such as black spot and powdery mildew. It offers vibrant yellow flowers that bloom from spring to frost, adding a cheerful touch to any garden. Additionally, it requires minimal maintenance and is known for its strong tolerance to different weather conditions.
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Sunlight
The Sunny Knock Out Rose requires full sun exposure, meaning it needs at least 6-8 hours of direct sunlight per day to thrive and bloom to its full potential.

Watering
The watering requirement for Sunny Knock Out Rose is moderate. It should be watered deeply once or twice a week, allowing the soil to dry out slightly between watering. Avoid overwatering, as this can lead to root rot.

Fertilizing
The fertilizer requirement for Sunny Knock Out Rose is generally a balanced slow-release fertilizer, applied in early spring and midsummer.
Sunny Knock Out Rose (Rosa 'Radsunny')
Description:
The Sunny Knock Out Rose, scientifically known as Rosa 'Radsunny', is a beautiful and vigorous shrub rose variety that is highly popular among garden enthusiasts. It has a compact, rounded form and belongs to the famous Knock Out family of roses. The plant showcases stunning bright yellow flowers that bloom profusely throughout the spring, summer, and fall, continuously adding a vibrant touch to any garden or landscape.
Features:
- Flower Color: Bright yellow
- Plant Type: Shrub rose
- Mature Height: 3-4 feet
- Mature Width: 3-4 feet
- Blooming Season: Spring, summer, and fall
- Blooms continuously without deadheading
- Vigorous and disease-resistant
- Attracts butterflies and pollinators
- Tolerant of heat, humidity, and drought
- Excellent disease resistance
- Pruning requirement: Low maintenance
- Perfect for borders, containers, and hedges
Additional Information:
The Sunny Knock Out Rose is a versatile and hardy plant, well-suited for various landscaping purposes. It thrives in full sun to partial shade, and its compact size makes it ideal for small gardens or as a focal point in larger landscapes. The vibrant yellow flowers are a beautiful contrast against the deep green foliage, creating an eye-catching display.
This particular variety of Knock Out Rose is highly disease-resistant, making it a reliable choice for gardeners. It requires minimal pruning and is known for its ability to bloom continuously without deadheading, providing long-lasting beauty with minimal effort.
Furthermore, the Sunny Knock Out Rose is a magnet for butterflies and other beneficial pollinators. Its fantastic fragrance and attractive blooms make it a welcoming addition to any outdoor space.
Overall, the Sunny Knock Out Rose is a must-have for rose lovers, combining stunning blooms with low maintenance requirements and exceptional disease resistance. Bring a burst of sunshine to your garden with this beautiful and reliable shrub rose!
Plant Information:
Botanical Name: | Rosa 'Radsunny' |
USDA Zones: | 4 - 11 |
Water: | Moderate |
Exposure: | Full Sun |
Soil Needs: | Well-Drained |
Mature Height: | 3 - 4 feet |
Mature Spread: | 3 - 5 feet |








Pollination Info
Sunny Knock Out Rose (Rosa 'Radsunny') - Pollination Info
The Sunny Knock Out Rose (Rosa 'Radsunny') is a popular variety of landscape rose known for its vibrant yellow flowers and continuous blooming throughout the growing season. When it comes to pollination, here are a few key details:
1. Flower Structure
The Sunny Knock Out Rose produces single, fully double, or semi-double flowers. These flowers consist of five petals and are often fragrant, attracting various pollinators.
2. Pollinators
The bright-colored flowers of the Sunny Knock Out Rose attract a wide range of pollinators, including bees, butterflies, and other beneficial insects. These insects are essential for cross-pollination as they transfer pollen between flowers, aiding in the reproduction of the plant.
3. Self-Pollination
The Sunny Knock Out Rose is capable of self-pollination, meaning the flower's own pollen can fertilize its ovules. However, cross-pollination from external sources usually results in stronger, more diverse offspring.
4. Cross-Pollination
To encourage cross-pollination, it is beneficial to have other compatible rose varieties nearby. Other Knock Out Rose varieties or roses from the same family (Rosa spp.) can serve as suitable pollinators.
5. Pollination Period
The sunny Knock Out Rose typically blooms from spring until the first frost, providing an extended period for pollinators to visit and perform their crucial role of pollination.
6. Pollen Dispersal
The pollen of the Sunny Knock Out Rose is primarily dispersed by the visiting pollinators. As they move from flower to flower collecting nectar, pollen grains adhere to their bodies and are transported to other flowers, facilitating pollination.
7. Fruit Development
Once pollination occurs, the Sunny Knock Out Rose will produce rose hips, which are the fruit of the plant. These hips can contain seeds that can be used for propagation if desired.
Overall, the Sunny Knock Out Rose is a pollinator-friendly plant that attracts various insects to aid in its pollination. While it is capable of self-pollinating, having other compatible roses nearby can enhance its genetic diversity and overall health.
FAQ
Sunny Knock Out Rose (Rosa 'Radsunny') - FAQ
1. What is the full name of this rose variety and its common name?
The full name of this rose variety is Rosa 'Radsunny', and its common name is Sunny Knock Out Rose.
2. What are the characteristics of the Sunny Knock Out Rose?
Characteristics of the Sunny Knock Out Rose include:
- Flower Color: Bright yellow
- Bloom Time: Continuously blooms throughout the growing season
- Fragrance: Mild, sweet scent
- Foliage: Glossy, dark green
- Size: Grows up to 3-4 feet tall and wide
- Resistance: Highly disease resistant and tolerant to heat
3. How should I plant the Sunny Knock Out Rose?
Follow these steps to plant the Sunny Knock Out Rose:
- Choose a sunny spot in your garden with well-draining soil.
- Dig a hole that is wide and deep enough to accommodate the roots of the rose bush.
- Place the rose bush in the hole and backfill it with soil, ensuring the bud union (the swollen area where the rose is grafted onto the rootstock) is level with or slightly above the soil surface.
- Water the rose thoroughly after planting.
4. How often should I water the Sunny Knock Out Rose?
The Sunny Knock Out Rose requires regular watering, especially during the hot summer months. Water deeply at least once a week, ensuring the soil is moist but not waterlogged.
5. How often should I fertilize this rose variety?
Feed the Sunny Knock Out Rose with a slow-release rose fertilizer in early spring, and again in mid-summer. Follow the instructions on the fertilizer package for proper application rates.
6. Does the Sunny Knock Out Rose require pruning?
Pruning the Sunny Knock Out Rose helps maintain its shape, promote new growth, and improve flower production. Prune the rose bush in early spring before new growth begins. Remove any dead, damaged, or crossing branches, and trim back about one-third of the overall size.
7. Is the Sunny Knock Out Rose susceptible to diseases or pests?
No, the Sunny Knock Out Rose is highly disease resistant and tolerant to heat. However, like any rose variety, it may still occasionally be affected by common rose pests such as aphids or black spot. Monitor the plant regularly and take appropriate measures if necessary.
8. Can I grow the Sunny Knock Out Rose in containers?
Yes, the Sunny Knock Out Rose can be grown in containers. Choose a large container with good drainage, and use a high-quality potting mix. Ensure the container receives at least 6-8 hours of direct sunlight daily, and water the rose regularly to keep the soil moist.
9. When is the best time to plant the Sunny Knock Out Rose?
The best time to plant the Sunny Knock Out Rose is in early spring, after the last frost date. This allows the rose bush to establish itself during the growing season.
10. How can I propagate the Sunny Knock Out Rose?
The Sunny Knock Out Rose can be propagated through softwood cuttings, hardwood cuttings, or by grafting onto suitable rootstock. It is recommended to consult a gardening expert or reference a comprehensive rose propagation guide for detailed instructions.
Enjoy the beautiful Sunny Knock Out Rose in your garden or container!
Planting & Care
Planting & Care for Sunny Knock Out Rose (Rosa 'Radsunny')
Planting:
- Choose a sunny location with well-draining soil.
- Dig a hole that is wider and slightly deeper than the root ball of the plant.
- Amend the soil with compost or organic matter to improve drainage and fertility.
- Remove the plant from its container and gently loosen the roots.
- Place the plant in the hole, ensuring that the bud union (swollen area where the rose was grafted onto rootstock) is above the soil level.
- Backfill the hole with soil, firming it gently around the roots.
- Water the plant thoroughly to settle the soil and remove any air pockets.
- Apply a layer of mulch around the base of the plant to suppress weeds and retain moisture.
Care:
- Watering: Keep the soil consistently moist, especially during hot and dry periods. Water deeply at the base of the plant, avoiding wetting the foliage to prevent disease. Avoid overwatering, as it can lead to root rot.
- Fertilizing: Feed the rose with a slow-release rose fertilizer in early spring, following the package instructions. Repeat applications every 6-8 weeks throughout the growing season. Avoid fertilizing in late summer to promote hardening off before winter.
- Pruning: Prune the plant in early spring, before new growth begins. Remove dead or damaged wood, and shape the plant as desired. Deadhead spent blooms to encourage continuous flowering.
- Pest and Disease Control: Monitor the plant regularly for aphids, spider mites, and other common rose pests. Treat any infestations promptly with appropriate insecticides or horticultural oils. Similarly, watch out for diseases like blackspot, powdery mildew, and rust, and apply fungicides as needed.
- Winter Care: Sunny Knock Out roses are hardy and generally require minimal winter protection. However, in colder regions, you can mound soil or mulch around the base of the plant to provide some insulation.
Check Out These Verified Customer Reviews:
Customer Reviews
4.7 out of 5 based on 43 reviews
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The website was easy to navigate and had all the information I needed about caring for the rose. Great experience!
I can't get over how beautiful the Sunny Knock Out Rose is! It has exceeded all my expectations.
Excellent customer service
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