Canada's Plant Hardiness Site

	1961-1990 zone	1981-2010 zone	1961-1990 hardiness index	1981-2010 hardiness index
Bala	4b	5a	47	53
Bancroft	4a	4a	40	44
Bannockburn	4b	5a	47	54
Barrie	5a	5b	52	57
Barry's Bay	3b	4a	36	44
Batawa	5b	6a	56	61
Batchawana Bay	4a	4b	41	48
Bath	5b	6a	58	63
Battersea	5b	5b	55	59
Baxter	5a	5b	52	57
Bayfield	6a	6a	61	64
Baysville	4a	4b	40	47
Beachburg	4a	4b	41	47
Beachville	5b	6a	58	64
Beamsville	6a	6b	63	69
Beardmore	1b	2b	19	29
Bearskin Lake	1a	1b	13	18
Beaverton	5a	5b	52	57
Belgrave	5a	6a	54	60
Belle River	6b	7a	67	72
Belleville	5b	6a	57	62
Belmont	5b	6b	58	65
Belwood	4b	5b	49	55
Berkeley	4b	5b	49	56
Bethany	5a	5b	52	56
Bewdley	5b	5b	55	58
Binbrook	6a	6b	61	66
Birch Island	4a	5a	44	50
Blenheim	6a	6b	63	68
Blind River	4a	5a	44	52
Bloomfield	6a	6a	60	64
Blue Mountains	5b	6a	56	61
Bluewater	6a	6a	60	64
Blyth	5b	6a	56	60
Bobcaygeon	5a	5a	50	54
Bolton	5a	5b	53	57
Bonfield	3b	4b	38	46
Borden	5a	5b	53	57
Bothwell	6a	6b	62	65
Bourget	4b	5a	49	53
Bowmanville	5b	6a	58	63
Bracebridge	4a	5a	44	50
Bradford	5a	5b	53	57
Bradford West Gwillimbury	5a	5b	52	57
Braeside	4b	5a	45	51
Brampton	5b	6a	56	60
Brant	5b	6a	58	63
Brantford	5b	6a	59	63
Brechin	5a	5b	51	57
Bridgenorth	5a	5b	51	55
Brigden	6a	6b	64	68
Brighton	5b	6a	56	61
Brights Grove	6a	6b	63	66
Britt	4b	5a	45	50
Brockville	5a	6a	54	60
Brooklin	5b	6a	56	61
Bruce Mines	4a	5a	42	50
Brussels	5a	6a	54	60
Burford	5b	6a	58	63
Burk's Falls	4a	4b	40	45
Burlington	6a	6b	62	68