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Double Red Knock Out® Rose

Rosa 'Radtko' Knock Out

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Overview

The Double Red Knock Out® Rose (Rosa 'Radtko') is a vibrant, repeat-blooming shrub rose, featuring prolific clusters of fragrant double red flowers. It reaches 3-4 feet in height and spread, offering disease resistance and low maintenance. Thrives in USDA zones 5-11, requiring full sun exposure. Ideal for borders and mass plantings, this resilient variety brings continual interest from spring to frost, creating a striking visual impact in any garden setting.

Sun Full, HalfWater Extra in Summer, MediumZones 6–11Type ShrubClimate Temperate

Double Red Knock Out® Rose (Rosa 'Radtko' Knock Out) — repeat-blooming shrub rose

Double Red Knock Out® Rose (Rosa 'Radtko' Knock Out) — featuring prolific clusters of fragrant double red flowers

Culture

Sun: Full, Half
Water: Extra in Summer, Medium
USDA zones: 6–11

Shape & size

Classification

Type: Shrub
Family: Rosaceae
Climate: Temperate

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Photos (2)

Double Red Knock Out® Rose (Rosa 'Radtko' Knock Out) — repeat-blooming shrub rose

Double Red Knock Out® Rose (Rosa 'Radtko' Knock Out) — featuring prolific clusters of fragrant double red flowers

Photograph: David J. Stang, CC BY-SA 4.0 · source

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