Photo by Melody

PlantFiles: Large Flowered Climbing Rose
Rosa 'Altissimo'

Family: Rosaceae (ro-ZAY-see-ee) (Info)
Genus: Rosa (RO-zuh) (Info)
Cultivar: Altissimo
Additional cultivar information: (aka Altissimo, Altus, DELmur)
Hybridized by Cuthbert; Year of Registration or Introduction: 1966

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2 vendors have this plant for sale.

5 members have or want this plant for trade.

Cluster-flowered (incl. Floribunda & Grandiflora)
Modern Climber

8-10 ft. (2.4-3 m)
10-12 ft. (3-3.6 m)
12-15 ft. (3.6-4.7 m)

6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)

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)

Bloom Color:
Medium red (mr)

Bloom Shape:

Flower Fragrance:
Slightly Fragrant

Bloom Time:
Blooms repeatedly

Trained to climb

Patent Information:

Other Details:
Resistant to black spot
Resistant to mildew
Resistant to rust
Stems are moderately thorny
Sets hips

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

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to view:

By Calif_Sue
Thumbnail #1 of Rosa  by Calif_Sue

By Calif_Sue
Thumbnail #2 of Rosa  by Calif_Sue

By Happenstance
Thumbnail #3 of Rosa  by Happenstance

By Happenstance
Thumbnail #4 of Rosa  by Happenstance

By Chilidawg
Thumbnail #5 of Rosa  by Chilidawg

By ivory
Thumbnail #6 of Rosa  by ivory

By Happenstance
Thumbnail #7 of Rosa  by Happenstance

There are a total of 16 photos.
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1 positive
No neutrals
No negatives

Gardeners' Notes:

Positive Happenstance On Apr 1, 2004, Happenstance from Northern California, CA wrote:

aka: Altus
Sublimely Single

Breeding: Bred in France (1966) by DELBARD. Introduced in England (1966) by Cuthbert.

Bloom: Medium red [ARS mr] blooms. Mild, Clove fragrance. 7 petals. Average diameter 5".

Large, cupped-to-flat, single bloom form.
Repeats its bloom again later in the season.

Size: Height of 7' to 15' . Width of 8' .

Growing: Zone 5 thru 9. Shade Tolerant,

Disease susceptibility: Disease resistant.

Parentage: Tnor x Seedling


This plant has been said to grow in the following regions:

Clayton, California
Fairfield, California
Fairview, California
Redding, California
Rohnert Park, California
San Jose, California
Sebastopol, California
Colorado Springs, Colorado
Royal Oak, Michigan

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