Altalaris is a white Shrub (S) shrub rose with undefined fragrance. It’s undefined bloom shape blooms flower once and may grow to a size of medium. The petal structure presents as single, 1-7 petals almost flat. This thorned rose has an average height of medium and width of medium.
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| Registered Name: | Altalaris |
| Cultivar Group: | Shrub (S) |
| Breeder/ Raiser Name: | Dr. Frank Leith Skinner |
| Registration Year: | 1941 |
| Parentage: | R. Spinosissima Altaica R. acicularis |
| Country Of Origin: | Canada |
| Introduction/s: | none noted |
| Flower Color: | white |
| Flower Fragrance: | undefined fragrance |
| Petal Structure: | single, 1-7 petals almost flat |
| Bloom Shape: | undefined bloom shape |
| Bloom Size: | medium |
| Bloom Repeat: | flower once |
| Growth Habit: | shrub |
| Growth Height: | medium |
| Growth Width: | medium |
| Thorns: | thorned |
| Disease Resistance: | unknown disease resistance |
| Cold Hardiness: | high cold hardiness |
| USDA Zone: | 2b (-45 to -40 °F/-42.8 to -40 °C), 3a (-40 to -35 °F/-40 to -37.2 °C), 3b (-35 to -30 °F/-37.2 to -34.4 °C), 4a (-30 to -25 °F/-34.4 to -31.7 °C), 4b (-25 to -20 °F/-31.7 to -28.9 °C), 5a (-20 to -15 °F/-28.9 to -26.1 °C), 5b (-15 to -10 °F/-26.1 to -23.3 °C), 6a (-10 to -5 °F/-23.3 to -20.6 °C), 6b (-5 to 0 °F/-20.6 to -17.8 °C), 7a (0 to 5 °F/-17.8 to -15 °C), 7b (5 to 10 °F/-15 to -12.2 °C), 8a (10 to 15 °F/-12.2 to -9.4 °C), 8b (15 to 20 °F/-9.4 to -6.7 °C), 9a (20 to 25 °F/-6.7 to -3.9 °C), 9b (25 to 30 °F/-3.9 to -1.1 °C), 10a (30 to 35 °F/-1.1 to 1.7 °C), 10b (35 to 40 °F/1.7 to 4.4 °C), 11a (40 to 45 °F/4.4 to 7.2 °C), 11b (45 to 50 °F/7.2 to 10 °C), 12a (50 to 55 °F/10 to 12.8 °C), 12b (55 to 60 °F/12.8 to 15.6 °C), 13a (60 to 65 °F/15.6 to 18.3 °C), 13b (65 to 70 °F/18.3 to 21.1 °C) |
| Shade Tolerance: | unknown shade tolerance |