Serving the Kansas City Metro for over 25 Years
Public Plant Profile

Knock Out Rose

Rosa x 'Radrazz'

Category: Deciduous Shrub • Rose

Discover the beauty of Knock Out Roses, perfect for low-maintenance gardens with continuous blooms.

Mature Height: 3-4 feet
Mature Width: 3-4 feet
Bloom Color: Red, Pink
Bloom Time: Spring to Fall
Light: Sun
Zone: Zones 5-9
Maintenance: Low
Growth Rate: Moderate
Season of Interest: Multi-season
Foliage: Deciduous
Bold Outdoors Verified Insight

Designed & Reviewed by

Josh Graber

Owner and Landscape Designer · Kansas State University · 25+ Years Experience

B.S. in Horticulture and Landscape Design – Kansas State University

25+ years of industry experience

Description

The Knock Out Rose is a resilient and low-maintenance shrub that produces vibrant blooms throughout the growing season. Its continuous flowering and disease resistance make it a popular choice for gardens and landscapes. With its attractive foliage and ability to thrive in various conditions, this rose is perfect for both novice and experienced gardeners.

Ideal Conditions

Prefers full sun and well-drained soil. Tolerates drought once established.

Soil Preferences

Well-drained soil is ideal, with moderate moisture. Adaptable to various soil types and pH levels.

Sun Needs

Sun

Landscape Guidance

Landscape Use

foundation plantingmass plantingspecimen

Special Features

Continuous bloomingdisease resistancefragrant flowers

Wildlife Value

Attracts pollinators and provides habitat for birds.

Resistance / Tolerance

Drought tolerant and resistant to many diseases.

Notes from Our Designer

Great for colorful displays and low-maintenance gardens. Can be used in mixed borders for added interest.

Related Plants

See How Similar Plants Are Used in Real Landscapes

Explore related plants, compare shape, texture, and overall planting style, and get a better feel for what may fit your own outdoor space.

Use this page to get a feel for where Knock Out Rose may fit in the landscape, then explore similar plants below for more ideas on form, texture, and overall planting style.

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★★★★★

“Bold Outdoors has provided the highest quality professional landscape design, installation and after installation services at my residence since April, 2014. Josh Graber, the owner of the company, listened to input from…”

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Is Knock Out Rose a good fit for Kansas City landscapes?

That depends on sun exposure, moisture, spacing, and how the plant will be used in the overall design. Bold Outdoors evaluates those practical conditions before recommending a plant broadly.

How should homeowners use this plant information?

Use the plant profile as a planning tool for size, conditions, and visual role, then connect it to the broader landscape design and installation plan for the property.

Next Step

Ready to plan your landscape?

Browse more plants or reach out and we will help you choose the right combination for your space.