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Rosaceae
Shrubs
Hardy rose bush Knock Out
Hardiness
Zone 4
Discover the plant
Family
Rosaceae
The 'Knock Out' Red Shrub Rose is a vigorous flowering shrub with a bushy, rounded habit, renowned for its exceptional bloom and remarkable disease resistance. It produces an abundance of intense cherry-red single flowers that continuously rebloom from early summer until the first frosts. Its glossy dark green foliage remains healthy all season, even in challenging conditions, making it a highly reliable choice for low-maintenance gardens. Ideal for beds, borders, or group plantings, it effectively structures landscapes in full sun. Highly hardy and high-performing, the 'Knock Out' Red Shrub Rose attracts pollinators and adds a dynamic and lasting touch to the landscape.
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 colorIntense red
Foliage colorGreen
Foliage typeObsolete
FruitingDecorative red rosehips late in the season
Maximum height100 cm (40 inches)
Maximum width100 cm (3.5 feet)
Growth rateAverage
Hardiness zoneZone 4
Minimum temperature'-35°C
Its strengths, naturally.
Safe for pets
Pets
Attracts or supports pollinating insects
Pollinators
Plants that attract butterflies
Butterflies
