Best Roses to Grow in Northwest Territories
Northwest Territories spans USDA Zones 1–2, typically Zone 3. We've broken out 3 rose varieties by zone — pick your zone below or find the right varieties for your specific part of the state.
Varieties
3
for Northwest Territories
USDA
Zones 1–2
55–85 days season
Beginner
0
easy to grow
Heirloom
3
heritage varieties
Northwest Territories in USDA Zones 1–2
Northwest Territories spans Zones 1–2. Variety lists below are organized by zone — start with your zone for the most accurate recommendations.
Growing Roses in Northwest Territories
Zone 3 presents unique challenges for rose enthusiasts, with winter temperatures dropping as low as -40°F and a relatively short growing season. However, don't let these conditions discourage you from creating a stunning rose garden. The key to success lies in selecting roses bred specifically for cold climates and understanding that many traditional garden roses simply won't survive your winters without extraordinary protection. Look for roses with proven hardiness ratings, disease resistance, and the ability to establish quickly in spring.
The roses that thrive in Zone 3 tend to be hardy shrub varieties, rugosas, and select climbers that can bounce back from winter dieback. Canadian Explorer series roses, rugosa hybrids like the classic Rugosa Rose, and newer introductions like the Knock Out series have revolutionized cold-climate rose gardening. These varieties often bloom on new wood, meaning even if winter kills back the canes, you'll still get flowers the following season. Many also offer excellent disease resistance, which is crucial when your growing window is limited and plants need to maximize their energy for survival rather than fighting off black spot or powdery mildew.
Zone 2 Roses for Northwest Territories
3 varieties · Last frost June 1 · 85-day season
Zone 3 Growing Tips for Northwest Territories
Plant your roses in late spring, ideally 2-3 weeks after your average last frost date of May 15th, when soil has warmed and drainage improved from spring snowmelt. This typically means early June planting in Zone 3. Choose the warmest, most protected spot in your garden – ideally with morning sun, some afternoon protection from harsh winds, and excellent drainage. Roses sitting in wet spring soil or exposed to drying winter winds rarely survive Zone 3 conditions.
Winter protection is non-negotiable in your climate. In late fall, after the first hard frost, mound soil or compost 6-8 inches around the base of each plant, covering the graft union completely. For climbing roses like New Dawn or Don Juan, consider laying canes down and covering with mulch or burlap. Tree roses and more tender varieties may need complete burial or wrapping. Remove protection gradually in spring, not all at once, as late frosts can damage newly exposed growth.
Focus on building strong plants quickly during your growing season. Feed regularly with balanced fertilizer through July (stop feeding 6-8 weeks before first frost to allow plants to harden off), ensure consistent moisture during establishment, and deadhead spent blooms to encourage repeat flowering. Remember that in Zone 3, a rose that establishes well in its first year has a much better chance of surviving subsequent winters.