Show zones using

NRCan Zone 2

Average annual extreme minimum temperature: -40.0 to -34.4°C (-40 to -30°F).

Minimum temperature (°C)
-40.0 to -34.4
Minimum temperature (°F)
-40 to -30
USDA
Zone 3
RHS
H7
EGHZ
Zone 3
Climate class
Northern Taiga

USDA, RHS, EGHZ & NRCan cross-reference

See how this rating compares across global hardiness systems. Matching USDA zones are highlighted.

USDA Min. temp. (°C) Min. temp. (°F) RHS EGHZ NRCan Climate class
USDA Zone 1 < -45.6 < -50 — 0 0 Arctic Alpine
USDA Zone 2 -45.6 to -40.0 -50 to -40 H7 2 1 Subarctic
USDA Zone 3 -40.0 to -34.4 -40 to -30 H7 3 2 Northern Taiga
USDA Zone 4 -34.4 to -28.9 -30 to -20 H7 4 3 Middle Taiga
USDA Zone 5 -28.9 to -23.3 -20 to -10 H6 5 4 Southern Taiga
USDA Zone 6 -23.3 to -17.8 -10 to 0 H5/H6 6 5 Mixed Forest
USDA Zone 7 -17.8 to -12.2 0 to 10 H4/H5 7 6 Forest-Steppe
USDA Zone 8 -12.2 to -6.7 10 to 20 H4 8 7 Steppe
USDA Zone 9 -6.7 to -1.1 20 to 30 H3 9 8 Semiarid
USDA Zone 10 -1.1 to +4.4 30 to 40 H2 10 9 Subtropical
USDA Zone 11 +4.4 to +10.0 40 to 50 H1c 11 — Moist Tropical
USDA Zone 12 +10.0 to +15.6 50 to 60 H1b — — Humid Equatorial
USDA Zone 13 > +15.6 > 60 H1a — — Hyper-Humid Equatorial

Recommended rose classes

Hybrid rugosas

Important limitations

The USDA map uses extreme minimum temperature only and does not account for summer heat, snow cover, or wind desiccation.

Browse all NRCan zones

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Cultivar notes

Roses in our encyclopedia

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Caramel Antike Caramel Antike Hybrid Tea USDA Zone 3 Foxi Foxi Rugosa rose USDA Zone 3 Gipsy Boy Gipsy Boy Bourbon rose USDA Zone 3 Hope for Humanity Hope for Humanity Shrub rose USDA Zone 3 Ispahan Ispahan Damask rose USDA Zone 3 Madame Legras de St. Germain Madame Legras de St. Germain Alba rose USDA Zone 3 Nevada Nevada Shrub rose USDA Zone 3 Ritausma Ritausma Rugosa rose USDA Zone 3 Rosa gallica 'Officinalis' Rosa gallica 'Officinalis' Gallica rose USDA Zone 3 Rosa rugosa ‘Alba’ Rosa rugosa ‘Alba’ Rugosa rose USDA Zone 3 Rose à parfum de l’Haÿ Rose à parfum de l’Haÿ Rugosa rose USDA Zone 3 Roseraie de l’Hay Roseraie de l’Hay Rugosa rose USDA Zone 3