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Family: Rosaceae
(ro-ZAY-see-ee) Genus: Rosa (RO-zuh) Cultivar: William Lobb Additional cultivar information: (aka Old Velvet Moss, Duchesse d'Istrie) Hybridized by Laffay-Portemer 1855 Synonym:Rosa centifolia muscosa
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Height 6-8 ft. (1.8-2.4 m)8-10 ft. (2.4-3 m) Spacing 4-6 ft. (1.2-1.8 m)Hardiness USDA Zone 4a: to -34.4 °C (-30 °F)USDA Zone 4b: to -31.6 °C (-25 °F) 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 Mid SummerPropagation Methods UnknownSoil pH requirements UnknownFlower Fragrance Very FragrantBloom Color Mauve and mauve blend (mb) |
Bloom Shape Semi-doubleDouble Habit BushTrained to climb Trained on pillar Patent Information Non-patentedOther Details Stems are very thornyPruning Instructions Blooms on old wood; prune after floweringAvoid pruning Class MossFoliage Color UnknownBloom Characteristics UnknownWater Requirements UnknownWhere to Grow Unknown |