Canada's Plant Hardiness Site

Arnica louiseana Farr

Lake Louise arnica, rock arnica, snow arnica

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Data Details

Number unique observations: 60
Zone range (Canada): 0a - 6a

p 1971-2000

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Hardiness Zones

Canadian Plant Hardiness Zones
Zone	%
0a	13
0b	16
1a	10
1b	4
2a	3
2b	3
3a	2
3b	1
4a	1
4b	1
5a	1
5b	1
6a	1
6b	0
7a	0
7b	0
8a	0
8b	0
9a	0
Outside Canada	39

USDA Zones
Zone	%
1	2
2	54
3	28
4	11
5	2
6	1
7	1
8	0
9	0
10	0
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	-3.26	4.15	-12.02	-11.04	-10.7	-5.2	-2.2	-0.5	1.31	1.63	3.06	4.3	-12.2
Max Temperature of Warmest Period	16.25	2.92	10.8	11.68	12.5	13.88	15.85	18.62	20.01	20.33	22.24	23.3	10.8
Min Temperature of Coldest Period	-21.48	6.14	-33.37	-32.52	-32.11	-25.78	-18.25	-17.48	-16.75	-13.19	-12.0	-11.7	-33.9
Annual Precipitation	611.25	253.42	192.29	230.65	261.5	395.25	621.5	785.25	947.5	1012.25	1092.91	1123.0	174.0
Precipitation of Warmest Quarter	199.62	51.46	78.98	116.1	127.9	173.25	198.5	239.0	264.6	273.05	283.05	286.0	66.0
Precipitation of Coldest Quarter	146.6	94.87	26.95	32.0	37.9	57.5	132.5	214.5	279.3	323.3	346.92	354.0	24.0