Data specific to Roses (Edit)
Bloom size: Medium: 2-3"
Bloom shape: Cupped
Petal count: very full: 40+ petals
Rose bloom color: Red blend
Extra Bloom Info: In clusters
Rebloom: Some
Class: Shrub
Growth Habit: Can be grown as climber, typically 6-8 feet
Fragrance: Moderate
Hybridizer & year: Dr. Felicitas Svejda, 1970
Optimal growing zones: USDA zone 4 and warmer

General Plant Information (Edit)
Plant Habit: Shrub
Life cycle: Perennial
Sun Requirements: Full Sun
Soil pH Preferences: Moderately acid (5.6 – 6.0)
Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Plant Height: 6-8 feet
Plant Spread: 2-3 feet
Leaves: Deciduous
Flowers: Showy
Fragrant
Flower Color: Red
Flower Time: Late spring or early summer
Late summer or early fall
Uses: Cut Flower
Wildlife Attractant: Bees
Propagation: Other methods: Cuttings: Stem
Cuttings: Tip
Miscellaneous: With thorns/spines/prickles/teeth
Parentage: Queen Elizabeth X (Red Dawn x Suzanne)

Image
Alternative cultivar names:
  • 'Alexander MacKenzie'
  • 'A. Mackenzie'

Trade name information:
Series: Explorer
Cultivar name: 'Alexander MacKenzie'
Common names
  • Rose

Photo Gallery
Location: Calgary, Alberta Canada, Kathy's garden
Date: 2011-08-13
Rose photo on garden tour
Comments:
  • Posted by dorab (Calgary - Zone 3a) on Nov 23, 2012 12:34 PM concerning plant:
    Alexander MacKenzie was obtained from a cross between the grandiflora Queen Elizabeth and a hardy seedling descended from a cross between the shrubs Red Dawn and Suzanne.

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