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Family: Rosaceae (ro-ZAY-see-ee) (Info) Genus: Rosa (RO-zuh) (Info) Cultivar: Pristine Additional cultivar information: (PP03997, aka JACpico) Hybridized by Warriner; Year of Registration or Introduction: 1978
Spacing: 36-48 in. (90-120 cm) 4-6 ft. (1.2-1.8 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: White (w) Light pink (lp)
Bloom Shape: Double Tea shaped
Flower Fragrance: Slightly Fragrant
Bloom Time: Late Spring/Early Summer Blooms repeatedly
Habit: Bush
Patent Information: Non-patented
Other Details: Resistant to mildew Resistant to rust Stems are very thorny
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
On Oct 29, 2009, rosemania1941 from El Dorado Hills, CA wrote:
Oct 29, 2009. Blooming beautifully on a cool sunny day in Sacramento, California. In the "Peace" Rose Garden of the Capitol Park. Large, perfect blossoms.
This is probably my favorite rose in our garden of over 200 rose bushes. Until I found the name of it, I called it my "Porcelain" rose. The color is so delicate - an off-white with just a blush of pink. The petals have a little ruffle to them that makes them even prettier. This rose is pretty from a bud to fully open.
On May 27, 2004, Paulwhwest from Irving (Dallas area), TX (Zone 8a) wrote:
Bred in the United States. Won the following awards:
Court of Show Honor thirteen times from 1998-2001
Edland Fragrance Medal in 1979
Portland Gold Medal 1979
RNRS Certificate of Merit 1979
Queen of Show ten times from 1999-2001
Princess of Show five times in 1998, and 1999
King of Show six times from 1998-2001
Parentage:
Seed: White Masterpiece
Pollen: First Prize
Regional...
This plant has been said to grow in the following regions:
Greensboro, Alabama Queen Creek, Arizona Fayetteville, Arkansas Merced, California Sacramento, California San Leandro, California Jacksonville, Florida Waimea, Hawaii Baton Rouge, Louisiana North Augusta, South Carolina Winnsboro, South Carolina