White Knock Out® Rose — Rosa 'Radwhite'

White Knock Out® Rose (Rosa 'Radwhite') brings clusters of lightly fragrant, pure white flowers to sunny gardens from spring until the first frost. Deep, nearly black-green foliage provides a contrasting backdrop for the blooms.

This upright deciduous shrub has a listed size of 3–3.5 feet tall and wide, making it a versatile choice for borders, foundation beds, grouped plantings and containers.

Growing details

• Plant type: Deciduous shrub rose
• Listed height and spread: 3–3.5 feet tall and wide
• Spacing: Approximately 3 feet apart
• Listed USDA hardiness zones: 4–11
• Light: Full sun
• Soil: Rich, moist, slightly acidic and well-drained
• Flowers: Lightly fragrant, pure white blooms
• Bloom season: Spring through fall, until frost
• Cultivar: 'Radwhite', PP20,273

Care and garden use

This rose has moderate maintenance needs. Choose a sunny site with good drainage and maintain consistent soil moisture. Allow room for its listed mature spread.

Use as an accent, in groups, along borders or in foundation plantings. Grow in a suitably sized container with drainage holes. Pair with phlox, holly or tickseed where growing conditions suit each plant.

Image credit: T.Kiya from Japan, Rose, White Knock out. バラ, ホワイト ノックアウト, (24051792172), CC BY-SA 2.0.

Plants naturally vary in appearance and may differ from the images shown.