Canada's Plant Hardiness Site

	1961-1990 zone	1981-2010 zone	1961-1990 hardiness index	1981-2010 hardiness index
Cadomin	1b	3a	19	31
Cadotte Lake	2a	2b	20	27
Calahoo	3b	4a	37	41
Calgary	3b	4a	37	40
Calling Lake	2a	2b	24	29
Calmar	3b	3b	36	39
Camrose	3b	3b	36	38
Canmore	2b	3b	29	35
Carbon	3b	3b	37	36
Cardston	4b	4b	45	45
Carmangay	4a	4a	42	44
Caroline	3a	3a	33	34
Carseland	3b	4a	38	40
Carstairs	3b	3b	35	38
Carway	4a	4a	40	42
Castor	3a	3b	34	37
Cayley	3b	4a	37	41
Cereal	3a	3a	32	32
Champion	4a	4a	41	43
Chauvin	3a	3b	32	37
Cherhill	3a	3b	33	38
Chestermere	3b	3b	36	39
Chipewyan Lake	1a	2a	14	23
Chipman	3a	3b	31	36
Clairmont	2b	3b	29	35
Claresholm	4a	4a	40	42
Clive	3b	3b	35	39
Clyde	3a	3b	32	36
Coaldale	4b	4b	46	45
Coalhurst	4b	4b	45	45
Cochrane	3b	3b	35	39
Cold Lake	2b	3a	25	31
Coleman	3a	3b	34	37
Colinton	2b	3a	29	31
Conklin	1b	2b	19	25
Consort	3a	3a	31	34
Coronation	3a	3a	33	33
Coutts	4b	4b	47	46
Cowley	4a	4a	40	43
Cremona	3a	3b	32	36
Crossfield	3b	3b	35	38
Crowsnest Pass	3a	3b	34	38
Czar	3a	3b	31	37