USDA Zone 3a: to -39.9 °C (-40 °F)
USDA Zone 3b: to -37.2 °C (-35 °F)
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)
my Morden Centennial rose is three years old, I had to prune it hard in the spring of 2015 after a very snowy winter, it grew to over 8 f...Read More
This is a quite, but not totally, hardy shrub rose. In my harsh NE Wisconsin winters it does not need to be buried in ground like most r...Read More
It has a fantastic opening display, but peters out somewhat over the course of the summer. If the weather gets hot and moist look out for...Read More
Canadian-bred Parkland series rose.
I planted this rose last summer next to the southern edge of my house. It survived a freeze and thaw winter and is very happy. It is ab...Read More
A beautiful all summer performer in North Dakota. This rose blooms from June to frost.
I planted 3 of these roses 1 year ago in zone 3b with heavy clay soil. The only winter protection used was snow cover. There was very l...Read More