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)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Where can i buy the Grandiflora Rose 'Ole' I have a customer who wants several. Bare Root this time of year is OK. It is an Armstrong Rose 1965.
I have grown this rose for a long time, up until we moved to a new house . The blooms are beautiful and long-lasting. As soon as I am a...Read More
Bred in the United States.
Parentage:
Seed: Roundelay
Pollen: El Capitan