Canada's Plant Hardiness Site

Plant Hardiness Zone by Municipality

	1961-1990 zone	1981-2010 zone	1961-1990 hardiness index	1981-2010 hardiness index
Tamworth	5a	5b	51	57
Tara	5a	5b	54	59
Tavistock	5b	6a	55	62
Teeswater	5a	5b	52	59
Teeterville	5b	6a	59	64
Temagami	3a	3b	31	39
Terrace Bay	2b	3b	28	35
Thamesford	5b	6a	58	64
Thamesville	6a	6b	62	66
Thedford	6a	6b	62	65
Thessalon	4a	5a	42	50
Thornbury	5b	6a	56	61
Thorndale	5b	6a	58	64
Thornloe	2b	3b	28	35
Thornton	5a	5b	52	56
Thorold	6a	6b	63	69
Thunder Bay	2b	3b	28	39
Tilbury	6b	7a	65	71
Tillsonburg	5b	6b	59	65
Timmins	2a	3a	21	30
Tiverton	5b	6a	55	61
Tobermory	5a	5b	53	59
Toledo	5a	5b	52	58
Toronto	6a	7a	62	70
Trenton	5b	6a	57	61
Trout Creek	3b	4b	38	45
Turkey Point	6a	6b	60	67
Tweed	5a	5b	51	57