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

White Knock Out® Rose

Rosa 'White Knock Out®'

Category: Deciduous Shrub • Rose

Discover the beauty and resilience of White Knock Out® Rose, perfect for vibrant landscapes.

Mature Height: 3-4 feet
Mature Width: 3-4 feet
Bloom Color: White
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 White Knock Out® Rose is a hardy, disease-resistant shrub rose known for its continuous blooming and vibrant white flowers. It is ideal for landscapes and gardens, providing a long season of color.

Ideal Conditions

Thrives in full sun and well-drained soil. Prefers moderate moisture levels.

Soil Preferences

Well-drained soil is essential. Adaptable to various soil types with a neutral to slightly acidic pH.

Sun Needs

Sun

Landscape Guidance

Landscape Use

foundation plantingmass plantingspecimen

Special Features

Disease-resistantcontinuous bloomingfragrant flowers

Wildlife Value

Attracts pollinators and provides habitat.

Resistance / Tolerance

Drought tolerant and disease resistant.

Notes from Our Designer

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

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 White 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 White 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.