Canada's Plant Hardiness Site

Viola odorata L.

English violet, florist's violet, sweet blue violet, garden violet

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Data Details

Number unique observations: 1065
Zone range (Canada): 2b - 9a

p 1971-2000

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Hardiness Zones

Canadian Plant Hardiness Zones
Zone	%
0a	0
0b	0
1a	0
1b	0
2a	0
2b	1
3a	1
3b	1
4a	1
4b	1
5a	1
5b	2
6a	1
6b	1
7a	1
7b	1
8a	1
8b	1
9a	1
Outside Canada	88

USDA Zones
Zone	%
1	0
2	0
3	1
4	7
5	20
6	35
7	20
8	12
9	3
10	1
11	0
12	0
13	0

Bioclimatic profile

name	mean	S.D.	1%	5%	10%	25%	50%	75%	90%	95%	99%	maximum	minimum
Annual Mean Temperature	9.37	2.62	3.9	5.5	6.3	7.8	9.2	10.6	12.8	14.6	16.8	17.9	1.9
Max Temperature of Warmest Period	27.82	2.62	22.36	23.6	24.5	26.4	27.6	29.0	31.4	32.6	35.4	36.1	20.1
Min Temperature of Coldest Period	-6.68	5.86	-18.04	-15.46	-13.3	-10.6	-8.5	-0.4	1.1	2.98	5.4	8.0	-24.0
Annual Precipitation	940.58	333.96	275.56	399.2	464.2	795.0	925.0	1117.0	1354.6	1576.6	1865.52	2037.0	186.0
Precipitation of Warmest Quarter	178.6	104.4	8.0	13.0	32.0	84.0	200.0	272.0	304.0	316.8	343.0	446.0	5.0
Precipitation of Coldest Quarter	290.88	193.04	42.0	93.2	117.0	158.0	209.0	421.0	591.2	686.0	807.72	921.0	28.0