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Rosaceae
Shrubs
White Knock Out
Hardiness
Zone 4
Discover the plant
Family
Rosaceae
Sleek and resilient, the 'Knock Out White' rose offers abundant blooms of single, pure white flowers, sometimes slightly tinged with pale pink at the end of flowering. It blooms continuously from spring until frost, without the need for pruning or special care. With its compact 90 to 120 cm growth and its semi-glossy, dark green foliage, highly resistant to disease, it is ideal for borders, simple beds, low hedges or contemporary arrangements. Like all Knock Out roses, it tolerates heat, drought, urban pollution and poor soils. 'Knock Out White' is perfect for creating bright contrasts, minimalist gardens or long-lasting, low-maintenance compositions.
Soil and care
The rightconditions.
Fertilization
Fertilize in spring with a rose or flowering plant fertilizer. Repeat every 4 to 6 weeks until mid-August. Do not fertilize after this time to allow the plant to fully enter dormancy.
Bloom and dimensions
The completeprofile.
Bloom periodJune to September
Flower colorPure white
Foliage colorGreen
Foliage typeObsolete
Maximum height100 cm (40 inches)
Maximum width100 cm (3.5 feet)
Growth rateAverage
Hardiness zoneZone 4
Minimum temperature-34°C
Its strengths, naturally.
Not recommended for pets
Pets
Attracts or supports pollinating insects
Pollinators
Plants that attract butterflies
Butterflies
Flowers that attract hummingbirds
Hummingbirds
Less attractive or generally tolerated by deer
Deer
