Canada's Plant Hardiness Site

Plant Hardiness Zone by Municipality

	1961-1990 zone	1981-2010 zone	1961-1990 hardiness index	1981-2010 hardiness index
Maberly	4b	5a	48	54
Macdiarmid	2a	3a	21	31
MacTier	4b	5a	47	53
Madawaska	3a	4a	34	40
Madoc	5a	5b	50	56
Magnetawan	4a	4b	42	46
Maidstone	6b	7a	67	71
Maitland	5a	5b	54	59
Mallorytown	5b	6a	56	60
Manilla	5a	5b	52	55
Manitouwadge	2a	3a	20	31
Manitowaning	4b	5a	47	53
Manotick	5a	5b	50	56
Marathon	3a	3b	30	35
Marionville	5a	5b	51	55
Markdale	4b	5b	49	55
Markham	5b	6a	56	63
Markstay	4a	4b	40	45
Markstay-Warren	3b	4a	39	44
Marlbank	5a	5b	51	57
Marmora	5a	5b	51	56
Martintown	5a	5b	51	56
Marysville	5b	6a	59	62
Massey	4a	4b	43	47
Matachewan	2a	3a	22	33
Matheson	1b	2b	19	29
Mattawa	3b	4b	37	47
Mattice	1a	2a	14	23
Maxville	4b	5a	49	54
Maxwell	4b	5a	47	54
Maynooth	3b	4a	36	42
McGregor	6b	7a	68	71
Meaford	5b	6a	56	62
Melbourne	6a	6b	60	65
Merlin	6a	7a	64	70
Merrickville	5a	5b	51	56
Merrickville-Wolford	5a	5b	51	56
Metcalfe	5a	5b	50	55
Michipicoten River	3a	3b	33	38
Middleville	4b	5a	46	52
Midhurst	5a	5b	53	57
Midland	5a	5b	54	59
Mildmay	5a	5b	51	57
Milford Bay	4a	5a	44	51
Millbrook	5a	5b	53	57
Milton	5b	6a	58	61
Milverton	5a	5b	54	59
Minaki	2b	3b	29	38
Mindemoya	4b	5a	47	54
Minden	4a	4b	43	49
Minto	5a	5b	50	57
Missanabie	2a	3a	24	32
Mississauga	6a	6b	62	66
Mitchell	5b	6a	56	62
Monkland	5a	5a	50	54
Monkton	5a	6a	54	60
Mono	4b	5b	48	55
Montreal River Harbour	3b	4b	39	46
Moonbeam	1b	2b	18	26
Moorefield	5a	5b	51	57
Moose Creek	5a	5a	50	54
Moose Factory	1a	1b	10	17
Moosonee	1a	1b	10	17
Morpeth	6a	6b	61	66
Morrisburg	5a	5a	51	53
Morriston	5a	5b	54	59
Mount Albert	5a	5b	53	58
Mount Brydges	6a	6b	60	65
Mount Elgin	5b	6a	58	64
Mount Forest	4b	5b	49	55
Mount Hope	6a	6b	61	65
Mount Pleasant	5b	6a	59	63
Munster	4b	5b	49	55
Muskrat Dam	1b	2a	16	21