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

Rainbow Knock Out Rose

Rosa x 'Radcor'

Category: Deciduous Shrub • Rose

Rainbow Knock Out Rose offers vibrant blooms and disease resistance, perfect for colorful landscapes.

Mature Height: 3-4 feet
Mature Width: 3-4 feet
Bloom Color: Pink, Yellow, Red
Bloom Time: Spring to Fall
Light: Sun
Zone: Zones 5-9
Maintenance: Moderate
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 Rainbow Knock Out Rose is a vibrant and resilient shrub that produces stunning blooms throughout the growing season. Its colorful flowers attract pollinators and add a cheerful touch to any garden. This variety is known for its disease resistance and low maintenance needs, making it a favorite among gardeners.

Ideal Conditions

Prefers full sun and well-drained soil. Moderate moisture is ideal for optimal growth.

Soil Preferences

Well-drained soil 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 resistancevibrant color

Wildlife Value

Attracts pollinators and provides habitat.

Resistance / Tolerance

Drought tolerant and resistant to diseases.

Notes from Our Designer

Great for adding color to landscapes throughout the growing season. Works well in mixed borders.

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Use this page to get a feel for where Rainbow 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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Is Rainbow 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.