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Floribunda, Large Flowered Climbing Rose
Rosa 'Altissimo'

Family: Rosaceae (ro-ZAY-see-ee) (Info)
Genus: Rosa (RO-zuh) (Info)
Cultivar: Altissimo
Additional cultivar information:(aka DELmur, Altissimo, Altus, Climbing Altissimo, Sublimely Single)
Hybridized by Cuthbert-Delbard
Registered or introduced: 1966
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Class:

Cluster-flowered (incl. Floribunda & Grandiflora)

Modern Climber

Height:

8-10 ft. (2.4-3 m)

10-12 ft. (3-3.6 m)

12-15 ft. (3.6-4.7 m)

Spacing:

6-8 ft. (1.8-2.4 m)

8-10 ft. (2.4-3 m)

Hardiness:

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:

Single

Cupped

Flower Fragrance:

Slightly Fragrant

Bloom Time:

Blooms repeatedly

Habit:

Trained to climb

Patent Information:

Non-patented

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

Regional

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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Gardeners' Notes:

1
positive
0
neutrals
0
negatives
RatingContent
Positive

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

aka: Altus
DELmur
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