30% Off Your Order Today
Map Pin Find your growing zone
Growing Zone: 6
Ship to: 43215 Update
heat map

What is your Shipping Zip Code?

Please ensure we have your correct shipping ZIP code so we can recommend plants suited to your area.

Growing Zone: 6

Map Pin Find your growing zone
Growing Zone: 6
Ship to: 43215 Update
heat map

What is your Shipping Zip Code?

Please ensure we have your correct shipping ZIP code so we can recommend plants suited to your area.

Growing Zone: 6

product
product
product
product

Red Knock Out Rose Shrub

Rosa 'Radrazz'

40 reviews

Shrubs & Hedges

Red Knock Out Rose Shrub

Rosa 'Radrazz'

40 reviews

Shrubs & Hedges
  • Continuous blooms throughout the growing season
  • Tolerant of various soil conditions
  • Low maintenance and disease resistant
  • Recommended by landscape designers for optimal fit in real yards

$79.00

$113.00

30% Off

  • Ships to 43215 in 3 to 7 days
  • Free Shipping Over $150
  • Plant Arrival Guarantee
  • In Stock
  • Free Plant Consult $200
  • Landscape-Approved: Every Plant We Sell Comes With Design Expertise Behind It
  • 2.5 Gallon
  • 1.5 Gallon
Additional Discounts for large orders
Order Over $850 and get an additional automatic 10% OFF your order today!
Questions? Call our plant experts: 877-647-3277

Not just beautiful - intentionally selected by ShrubHub's 3D landscape design team to fit real-world spaces and maximize yard potential.

Why Red Knock Out Rose Shrub?

The Red Knock Out Rose Shrub (Rosa 'Radrazz') is a popular choice for gardeners due to its long blooming period, disease resistance, and low maintenance requirements. This versatile shrub can thrive in a variety of growing conditions and is known for its vibrant red blooms that add a striking pop of color to any garden.

People who loved this plant also bought

sun icon

Sunlight

Red Knock Out Rose Shrubs require full sun, which is defined as at least six hours of direct sunlight per day. They can tolerate some shade, but for optimal growth and blooming, they should be planted in a location with plenty of sunlight.

water icon

Watering

Red Knock Out Rose Shrub requires regular watering, especially during hot summer months. It is recommended to water deeply, allowing the soil to dry out slightly between waterings to prevent root rot. Mulching around the base of the plant can help retain m

fertilizer icon

Fertilizing

Red Knock Out Rose Shrubs require a balanced fertilizer with equal amounts of nitrogen, phosphorus, and potassium. It is recommended to use a slow-release fertilizer in early spring, summer, and fall to promote healthy growth and blooming. Over-fertilizing

Red Knock Out Rose Shrub (Rosa 'Radrazz')

The Red Knock Out Rose Shrub, also known by its botanical name Rosa 'Radrazz', is a beautiful and easy-care flowering plant that will add charm and color to any garden or landscape. This plant belongs to the popular Knock Out family of roses, known for their disease resistance and long blooming season.

The Red Knock Out Rose Shrub produces stunning cherry-red blooms that contrast beautifully with its dark green foliage. The flowers are semi-double with a mild fragrance, making them perfect for cutting and enjoying indoors. This shrub typically grows to a height of 3-4 feet and spread of 3-4 feet, making it ideal for mass plantings, borders, or container planting.

One of the key features of the Red Knock Out Rose Shrub is its low maintenance requirements. This plant is highly disease resistant and drought tolerant once established, making it an excellent choice for novice and experienced gardeners alike. With proper care and pruning, this shrub will continue to bloom throughout the growing season, providing vibrant color to your landscape.

Whether you're looking to brighten up your garden, add a pop of color to your front yard, or create a stunning focal point in your landscape, the Red Knock Out Rose Shrub is sure to impress with its beauty and ease of care.

Plant Information:

Botanical Name: Rosa 'Radrazz'
USDA Zones: 4 - 9
Water: Moderate
Exposure: Full Sun
Soil Needs: Well Drained
Mature Height: 2 - 3 feet
Mature Spread: 3 - 4 feet
heat map heat mapheat mapheat mapheat mapheat mapheat map

Pollination Info

Red Knock Out Rose Shrub (Rosa 'Radrazz') - Pollination Info

The Red Knock Out Rose Shrub (Rosa 'Radrazz') is a self-pollinating plant, meaning it does not require cross-pollination from another plant to set fruit. This makes it a relatively easy plant to grow and maintain in terms of pollination.

However, if you want to ensure maximum fruit set and flower production, you can still aid in the pollination process by attracting pollinators such as bees, butterflies, and other insects to your garden. Planting a variety of pollinator-attracting flowers nearby can help increase the chances of successful pollination.

Additionally, properly maintaining your Red Knock Out Rose Shrub by providing adequate water, sunlight, and nutrients can also help promote healthy flower production and fruit set.

Overall, while the Red Knock Out Rose Shrub is self-pollinating, there are still ways to enhance pollination and fruit production through the attraction of pollinators and proper plant care.

FAQ

Red Knock Out Rose Shrub (Rosa 'Radrazz') FAQ

General Information

The Red Knock Out Rose Shrub, also known as Rosa 'Radrazz', is a popular and low-maintenance shrub rose variety. It is known for its vibrant red blooms and disease resistance, making it a favorite among gardeners.

FAQ

1. What is the best location to plant Red Knock Out Rose Shrub?

The Red Knock Out Rose Shrub prefers full sun, so make sure to plant it in a location that receives at least 6 hours of direct sunlight per day. It can also tolerate partial shade, but may not produce as many blooms.

2. How often should I water my Red Knock Out Rose Shrub?

Water your Red Knock Out Rose Shrub regularly, about once a week, especially during hot weather. Make sure the soil is well-drained to prevent root rot.

3. How tall and wide does the Red Knock Out Rose Shrub grow?

The Red Knock Out Rose Shrub can grow up to 3-4 feet tall and wide, making it a compact and manageable shrub for most gardens.

4. How often should I fertilize my Red Knock Out Rose Shrub?

You can fertilize your Red Knock Out Rose Shrub in early spring with a balanced fertilizer, and then again in midsummer to promote blooming. Follow the instructions on the fertilizer package for the right amount to use.

5. How do I prune my Red Knock Out Rose Shrub?

Prune your Red Knock Out Rose Shrub in early spring before new growth begins. Remove any dead or damaged branches, and trim back about one-third of the plant to encourage new growth and blooms.

6. Is the Red Knock Out Rose Shrub resistant to diseases?

Yes, the Red Knock Out Rose Shrub is known for its disease resistance, particularly to common rose diseases like black spot and powdery mildew. However, it is still important to monitor your plant and take preventive measures to keep it healthy.

7. Can I grow Red Knock Out Rose Shrub in a container?

Yes, you can grow Red Knock Out Rose Shrub in a container, as long as it is large enough to accommodate the plant's root system. Make sure the container has drainage holes and use well-draining potting mix to prevent waterlogging.

Planting & Care

Planting & Care for Red Knock Out Rose Shrub (Rosa 'Radrazz')

The Red Knock Out Rose Shrub, also known as Rosa 'Radrazz', is a popular and easy-to-grow shrub with vibrant red blooms. Follow these tips to plant and care for your Red Knock Out Rose Shrub:

Planting:

  • Choose a location with full sun (at least 6 hours of direct sunlight per day) and well-drained soil.
  • Dig a hole that is twice as wide and just as deep as the root ball of the plant.
  • Remove the plant from its container and gently loosen the roots before placing it in the hole.
  • Backfill the hole with soil and water thoroughly to help the roots establish.

Care:

  • Water regularly, especially during dry periods, to keep the soil moist but not waterlogged.
  • Fertilize in spring with a balanced fertilizer to promote healthy growth and blooming.
  • Prune in early spring before new growth emerges to remove dead or diseased branches and shape the plant.
  • Deadhead spent blooms to encourage new flowers to form throughout the growing season.

With proper planting and care, your Red Knock Out Rose Shrub will reward you with beautiful red blooms and lush green foliage that will brighten up your garden.

Check Out These Verified Customer Reviews:

Customer Reviews

4.8 out of 5 based on 40 reviews

80% (32)
15% (6)
5% (2)
0% (0)
0% (0)
Write a review Cancel review
Submit Review
Verified
Kate N.

I highly recommend the Red Knock Out Rose Shrub. It is a beautiful addition to any garden.

Verified
Alberto F.

Great addition to my garden.

Verified
Emily S.

I love the compact size of the Red Knock Out Rose Shrub. It is perfect for small spaces and looks elegant.

1 2 3 4 5 6 7 >
Stay in the loop. Sign up for our mailing list for special offers, new products, expert advice and more.

Item has been added to your cart.