Floribunda, Large Flowered Climbing Rose 'Altissimo'

Rosa

Family
Rosaceae (ro-ZAY-see-ee)
Genus
Rosa (RO-zuh)
Synonym
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 Time
Blooms repeatedly
Bloom Color
Medium red (mr)
Class
Cluster-flowered (incl. Floribunda & Grandiflora)
Modern Climber
Other Details
Propagation Methods
From softwood cuttings
From semi-hardwood cuttings
From hardwood cuttings
By grafting
By budding
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
Flower Fragrance
Slightly Fragrant
Bloom Shape
Single
Cupped
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
Foliage Color
Bloom Characteristics
Water Requirements
Average Water Needs; Water regularly; do not overwater
Where to Grow
Regional

This plant is said to grow outdoors 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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Gardener's Notes:

1
positive
2
neutrals
0
negative
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S
New Orleans, LA | February 2019 | neutral

I grew Altissimo in NYC with no problem. In New Orleans it suffers from serious blackspot. Anyone in NOLA not having that problem. It is ...Read More

C
ROSLINDALE, MA | July 2016 | neutral

This rose is a climber, not a floribunda. It can be grown as a shrub.

The cultivar name is 'DELmur'. "Altissimo" is a prop...Read More

H
Northern California, CA | April 2004 | positive

aka: Altus
DELmur
Sublimely Single

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

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