Floribunda, Large Flowered Climbing Rose 'Altissimo'
Rosa
| 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 |
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
Foliage Color:
Bloom Characteristics:
Water Requirements:
Average Water Needs; Water regularly; do not overwater
Where to Grow:
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
show allGardeners' Notes:
| Rating | Content |
|---|---|
| Neutral | On Feb 8, 2019, Susanmariemaye from New Orleans, LA wrote: 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 so bad, I am considering taking it out. It has a beautiful flower so a difficult choice. Are there products that don’t harm bees and beneficial insects? |
| Neutral | On Jul 28, 2016, coriaceous from ROSLINDALE, MA wrote: This rose is a climber, not a floribunda. It can be grown as a shrub. |
| Positive | On Apr 1, 2004, Happenstance from Northern California, CA wrote: aka: Altus |
