KUNC - Commentary Transcript . The Canadian hybrids shrub roses fit that bill. Most shrub rose varieties are rate zones two to four by their Canadian breeders. The roses are propagated on their own root to ensure survival in even the worst of winters. Under an insulating blanket of snow, shrub roses will survive in the highest, harshest mountain landscape.
Varieties vary in size from less than one foot to ten-foot pillar types.
The varieties in the three to five foot range are ideal for the contemporary landscape. Most of these roses are free flowering, repeat bloomers. That means they have a heavy spring flush and then minor flushes throughout the summer. The flower colors vary from white to yellow, shades of pink, and a rainbow of reds. A lot of them are sweetly fragrant.