Hybridizers and rose breeders have produced many hardy rose varieties that can be grown successfully in Canada. Many of these have been developed in Canada. Some varieties of hardy roses survive winter with little or no winter dieback and others die down to their roots, but the roots do not die and will regrow the following spring. Hardy roses are defined to be those that can survive winter's freezing temperatures without a protective mulch, and as such are ideal for landscaping residential or commercial properties.
This variety grows up to 5 feet high with a 2-foot spread. It produces 3-inch single red blossoms with a white center and mild rose fragrance. It reblooms throughout the growing season on trailing canes that can spread to 8 feet. It has good disease resistance and is hardy through USDA Plant Hardiness Zone 3.
Prairie dawn has deep pink fully double flowers that are about 3 inches across. It grows to a height of about 6 feet and spreads about 3 feet. It is hardy in USDA zones 2 and 3 and reblooms sparingly.
For pure white flowers, grow the hardy variety Henry Hudson. Its 2- to 3-inch flowers are double and highly fragrant. It grows into a small shrub about 2 to 4 feet high, spreading about 2 feet. Henry Hudson roses will rebloom all season.