Climbing Rose, Shrub 'A. Mackenzie'

Rosa

Family: Rosaceae (ro-ZAY-see-ee) (Info)
Genus: Rosa (RO-zuh) (Info)
Cultivar: A. Mackenzie
Additional cultivar information:(Explorer Series Collection; aka Alex Mackenzie, Alexander Mackenzie)
Hybridized by Svejda
Registered or introduced: 1970
» View all varieties of Roses

Class:

Shrub

Height:

4-6 ft. (1.2-1.8 m)

6-8 ft. (1.8-2.4 m)

Spacing:

6-8 ft. (1.8-2.4 m)

Hardiness:

USDA Zone 3a: to -39.9 C (-40 F)

USDA Zone 3b: to -37.2 C (-35 F)

USDA Zone 4a: to -34.4 C (-30 F)

USDA Zone 4b: to -31.6 C (-25 F)

USDA Zone 5a: to -28.8 C (-20 F)

USDA Zone 5b: to -26.1 C (-15 F)

USDA Zone 6a: to -23.3 C (-10 F)

USDA Zone 6b: to -20.5 C (-5 F)

USDA Zone 7a: to -17.7 C (0 F)

USDA Zone 7b: to -14.9 C (5 F)

USDA Zone 8a: to -12.2 C (10 F)

USDA Zone 8b: to -9.4 C (15 F)

USDA Zone 9a: to -6.6 C (20 F)

USDA Zone 9b: to -3.8 C (25 F)

USDA Zone 10a: to -1.1 C (30 F)

USDA Zone 10b: to 1.7 C (35 F)

USDA Zone 11: above 4.5 C (40 F)

Bloom Color:

Red blend (rb)

Bloom Shape:

Double

Cupped

Flower Fragrance:

Very Fragrant

Bloom Time:

Late Spring/Early Summer

Blooms repeatedly

Habit:

Shrub

Trained to climb

Patent Information:

Non-patented

Other Details:

Unknown - Tell us

Pruning Instructions:

Blooms on new wood; prune early to promote new growth

Soil pH requirements:

5.6 to 6.0 (acidic)

6.1 to 6.5 (mildly acidic)

Propagation Methods:

From softwood cuttings

From semi-hardwood cuttings

From hardwood cuttings

By grafting

By budding

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Unknown - Tell us

Where to Grow:

Unknown - Tell us

Regional

This plant is said to grow outdoors in the following regions:

Alfred, Maine

Ann Arbor, Michigan

Pelham, New Hampshire

, Ontario

Gardeners' Notes:

2
positives
2
neutrals
0
negatives
RatingContent
Positive

On Jun 5, 2010, harper97 from Pelham, NH wrote:

This is possibly the best rose in my garden. It is a huge shrub rose which seldom suffers any die-back at all here in NH zone 5b. Very disease-free too, and it is covered from top to bottom, often all summer long, with deep red, fragrant roses with an attractive bud shape reminiscent of tea roses. The flowers are somewhat pendulous with thin stems, but if I cut a large enough portion the flowers easily last a week in a vase. My bush is about 10 years old, and this is the second season that a pair of cardinals has nested in it -- great wildlife cover, and in the case of cardinals, camouflage! For northern gardens, I can't recommend this rose too highly.

Neutral

On Nov 7, 2006, Redkarnelian from Newmarket, ON (Zone 5a) wrote:

"Explorer" series rose developed by Agriculture and Agri-Food Canada to create hardy roses for Canadian climates.

Positive

On Apr 17, 2006, kdcon from Alfred, ME (Zone 4a) wrote:

Have 10 in ground, loaded w/ blooms all summer, starts 1st. wk. of May. Needs no winter protection here in zone 4a. Very little ( few inches ) dieback. Gets big, fast from 20" to 4ft in 2 yrs.. Very tough, hardy plant

Neutral

On May 11, 2004, Paulwhwest from Irving (Dallas area), TX (Zone 8a) wrote:

Bren in Canada.

Prentage:
Seed: Pristine
Pollen: Admiral Rodney

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