Where is the best place to plant knockout roses?

Knock Out Roses grow best in areas that receive full sun to light partial shade, with at least 4 to 6 hours of direct sunlight daily. They prefer well-draining, slightly acidic soil with a pH around 6.0–6.5. Choose a location with good air circulation and enough space for mature growth to help reduce disease and promote abundant blooms. They perform exceptionally well in shrub borders, focal points, as small hedges, or in containers.

Sunny Knock Out® Rose Bush

Price 13% off

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1 Gallon

3 Gallon

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Single

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In stock, ready to ship
Inventory on the way

Ships in 2-3 business days

Complimentary 30 Day Warranty

Buy direct from the grower, not a drop shipper

Family owned farm since 1980

You're good to grow this in Zone X

Sunny Knock Out® Rose Offers Continuous Blooms, Sweet Scent & Disease Resistance All Season Long

Add Fragrance and Bright Yellow Color with the Sunny Knock Out® Rose Bush

As the only fragrant member of the Knock Out® family, the Sunny KnockOut Rose Bush adds not only a burst of cheerful yellow but also a sweet scent to your garden! Enjoy cheerful yellow double blooms and a light citrus scent with the Sunny Knock Out® Rose, the only fragrant variety in the Knock Out® family. This hardy, disease-resistant shrub flowers from spring through fall and thrives in gardens big or small.

This cultivar’s fragrant, bright yellow flowers fade quickly to a pastel cream color and have double blooms continuously and proliferate. The sunny knockout bloom color stays more intense during cooler times but the golden yellow color stays year round.

Flowers blossoms appear in early spring. The yellow knockout rose blooming season is in spring and summer.

This beautiful rose bush makes for a superb low hedge. The dark green, semi-glossy foliage contrasts nicely with the bright yellow blooms, and you can enjoy this deciduous bloom cycle all summer long.

Grows in an upright habit during most times of the year and the yellow knock out rose turns quickly to pastel once the summer heat settles in. You can even grow this flowering shrub in the afternoon shade if in a hot climate.

How to Take Care of Sunny Knock Out® Rose Bushes

Knockout roses require full sun and well-drained soil types. You can amend your native soil with our Rose Soil Mix to keep those roses growing happy and healthy. They can grow up to 3-5 feet tall and 3-4 feet wide at maturity.

Grow the yellow rose bush across the United States in USDA plant hardiness zones 5-10. It has great winter hardiness. The best time to plant a rose bush is in spring or fall.

Like the other KnockOut family members, the Sunny Knock Out Rose Bush has extraordinary resistance to common rust, mildew, and black spot foliage disease resistance. It is also drought tolerant once established.

Pruning roses should take place in late winter or early spring. Cut back your rose plants to about 1 foot tall. A planting site with an open area will help with air circulation and aids in the health of the plant according to Southern Living. You can prune this rose shrub into a yellow knockout rose tree if that is your desired shape.

Fertilize your rose bush near the root ball once a year in early spring with slow-release fertilizer to give it a nice boost for growth and flower production. Water thoroughly during the first year of planting to establish a strong root system.

Shop the Sunny KnockOut Rose for sale. It is easy to grow and we highly recommend it for beautiful yellow roses. Even someone without a green thumb could grow this knock out rose.

Why Buy Roses from Perfect Plants?

Perfect Plants has been growing healthy, vigorous roses on our sunny Florida farm since 1980. As a family-run nursery, we ship directly from our fields to your door—carefully packed and grown by experts who truly know roses.

Check out all our rose bushes for sale.

The Sunny Knock Out® Rose is the only fragrant member of the Knock Out® family, producing cheerful yellow double blooms with a light citrus scent from spring through fall. Its flowers fade to a soft cream in warmer weather, while its dark green foliage provides striking contrast all season long. Hardy, drought tolerant, and exceptionally disease resistant, it thrives with minimal care in gardens of any size. With nonstop color and effortless maintenance, this rose brightens any landscape.

Produces bright yellow, citrus-scented double blooms that rebloom continuously from spring to fall.
Only fragrant variety in the Knock Out® family, adding both color and aroma to the garden.
Flowers fade gracefully to pastel cream in summer heat for a soft, glowing appearance.
Grows 3–5 feet tall and 3–4 feet wide with excellent cold and drought tolerance.
Highly resistant to rust, mildew, and black spot for easy, low-maintenance care.
Thrives in full sun and well-draining soil across USDA zones 5–10.

At Perfect Plants Nursery, we stand behind every tree, shrub, and flower we grow. Every order is protected by our complimentary 30-day plant guarantee, ensuring your plants arrive healthy and ready to thrive. Unlike many online nurseries, Perfect Plants ships directly from our family-run farm, so you’re backed by growers who care about your success long after your plants leave our nursery beds. Grow with confidence knowing your investment is protected from the start.

Botanical Name

Rosa x 'Radsunny'

Sunlight
Full Sun

Foliage Color
Green

Flower Color
Yellow

Mature Width
3-4 ft

Mature Height
3-5 ft

Growing Zones 5, 6, 7, 8, 9, 10

Customer Reviews

4.3 Based on 13 Reviews

5 ★

69%

4 ★

3 ★

15%

2 ★

1 ★

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FAQs for Sunny Knock Out® Rose Bush

Drift Roses and Knock Out Roses are both known for their easy care and repeat blooming, but they differ in size and growth habit. Drift Roses are compact, low-growing roses typically used as groundcover, borders, or container plants. Knock Out Roses, including Sunny Knock Out, grow larger and fuller, making them better suited as standalone shrubs, hedges, or landscape focal points.

Sunny Knock Out Roses do not require deadheading to continue blooming, as they are self-cleaning and naturally rebloom throughout the season. However, removing spent flowers can improve the plant’s appearance and encourage slightly fuller growth, especially during peak blooming periods.

Plant Sunny Knock Out Roses in a location that receives full sun and has well-draining soil. Dig a hole twice as wide as the root ball and just as deep, then place the rose so the top of the root ball sits level with the surrounding soil. Backfill, water thoroughly, and apply mulch to help retain moisture and regulate soil temperature. Amending native soil with a rose-specific or organic soil mix can further support healthy growth.

Sunny Knock Out Roses typically reach 3 to 5 feet tall and spread about 3 to 4 feet wide at maturity. Their rounded growth habit makes them ideal for mass plantings, foundation beds, or as a bright, cheerful accent shrub in the landscape.

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Sunny Knock Out® Rose Bush