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Rosaceae
Shrubs
Hardy rose 'Alexander Mackenzie'
Hardiness
Zone 3
Discover the plant
Family
Rosaceae
The hardy Rosa 'Alexander Mackenzie' rose is a vigorous Canadian variety known for its large, deep red flowers and exceptional cold hardiness. This rose, with its upright and slightly arching habit, produces classic double flowers that appear in abundance from summer until the first frosts. Its dense, dark green foliage highlights the intensity of the flowers and provides an excellent ornamental presence in beds, hedges, and landscaped gardens. Developed as part of the Canadian Explorer program, Rosa 'Alexander Mackenzie' combines hardiness, prolonged flowering, and ease of care. Its sustained growth and structured silhouette make it an excellent choice for creating colorful and durable arrangements in northern regions. Grown in full sun in well-drained soil, this rose attracts pollinators and offers reliable performance year after year.
Soil and care
The rightconditions.
Fertilization
Moderate to regular in season
Bloom and dimensions
The completeprofile.
Bloom periodLate spring to autumn
Flower colorDark red
Foliage colorDark green
Foliage typeObsolete
FruitingRed rose hips
Maximum height2 m (6.6 ft)
Maximum width1.5 m (4.9 ft)
Growth rateModerate
Hardiness zoneZone 3
Minimum temperature-37 °C (-35 °F)
Its strengths, naturally.
Not recommended for pets
Pets
Plants that attract butterflies
Butterflies
