Canada's Plant Hardiness Site
Alberta
| 1961-1990 zone | 1991-2020 zone | 1961-1990 hardiness index | 1991-2020 hardiness index | |
|---|---|---|---|---|
| Acadia Valley | 3a | 3a | 33 | 33 |
| Acme | 3a | 3a | 31 | 32 |
| Airdrie | 3a | 3b | 32 | 39 |
| Alberta Beach | 3a | 4a | 34 | 40 |
| Alder Flats | 3a | 3b | 30 | 38 |
| Alix | 3b | 3b | 35 | 38 |
| Alliance | 3a | 3a | 32 | 34 |
| Altario | 2b | 3a | 28 | 34 |
| Amisk | 2b | 3a | 27 | 33 |
| Andrew | 2b | 3a | 28 | 32 |
| Anzac | 1b | 2b | 19 | 26 |
| Ardmore | 2a | 2b | 20 | 29 |
| Arrowwood | 3b | 3b | 36 | 37 |
| Ashmont | 2a | 2b | 22 | 28 |
| Assumption | 1a | 2a | 12 | 21 |
| Athabasca | 2b | 3a | 26 | 30 |