Canada's Plant Hardiness Site

Plant Hardiness Zone by Municipality

	1961-1990 zone	1981-2010 zone	1961-1990 hardiness index	1981-2010 hardiness index
Rainbow Lake	1b	1a	16	12
Raymond	4b	4b	47	45
Red Deer	3b	4a	35	40
Redcliff	4a	4b	43	47
Redwater	3a	3a	32	32
Rimbey	3b	3b	36	39
Robb	2b	3b	25	35
Rochester	3a	3a	30	33
Rochon Sands	3b	3b	36	39
Rocky Mountain House	3b	3b	35	36
Rockyford	3b	3b	36	37
Rolling Hills	4a	4a	42	43
Rosalind	3b	3b	37	38
Rosebud	3b	3b	36	37
Rosemary	4a	3b	40	39
Round Hill	3b	3b	35	38
Rycroft	3a	3a	30	34
Ryley	3a	3b	34	37