Canada's Plant Hardiness Site

Arnica latifolia Bong.

broadleaf arnica, mountain arnica, daffodil leopardbane

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Data Details

Number unique observations: 1316
Zone range (Canada): 0a - 9a

p 1971-2000

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Hardiness Zones

Canadian Plant Hardiness Zones
Zone	%
0a	1
0b	1
1a	1
1b	1
2a	3
2b	7
3a	9
3b	6
4a	4
4b	3
5a	2
5b	2
6a	1
6b	1
7a	1
7b	1
8a	1
8b	1
9a	1
Outside Canada	50

USDA Zones
Zone	%
1	1
2	1
3	23
4	26
5	22
6	19
7	3
8	1
9	1
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	2.36	3.52	-5.08	-3.3	-2.1	-0.1	2.2	4.6	7.25	8.4	10.58	11.9	-7.5
Max Temperature of Warmest Period	20.55	4.32	11.62	13.8	14.95	17.1	20.65	23.6	26.3	27.6	30.2	33.5	9.7
Min Temperature of Coldest Period	-12.27	5.83	-24.58	-20.9	-19.15	-16.73	-12.85	-7.7	-4.1	-2.4	0.1	2.1	-28.6
Annual Precipitation	1026.55	571.91	341.5	440.5	501.0	620.0	810.5	1294.5	1955.5	2279.0	2581.55	2918.0	274.0
Precipitation of Warmest Quarter	170.79	63.89	48.15	68.0	97.0	128.0	163.0	208.0	257.0	281.0	353.55	390.0	36.0
Precipitation of Coldest Quarter	359.9	278.33	56.0	90.0	109.5	157.0	247.0	478.0	833.0	963.25	1144.5	1234.0	26.0