Canada's Plant Hardiness Site

Arnica cordifolia Hook.

heartleaf arnica, heartleaf leopardbane

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Data Details

Number unique observations: 3474
Zone range (Canada): 0b - 8a

p 1971-2000

Map Legend

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Hardiness Zones

Canadian Plant Hardiness Zones
Zone	%
0a	0
0b	1
1a	1
1b	2
2a	3
2b	11
3a	12
3b	8
4a	5
4b	3
5a	1
5b	1
6a	1
6b	1
7a	1
7b	1
8a	1
8b	0
9a	0
Outside Canada	46

USDA Zones
Zone	%
1	0
2	3
3	33
4	23
5	18
6	16
7	2
8	1
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	2.88	2.94	-3.3	-1.9	-0.9	1.0	2.6	4.8	6.9	8.0	10.1	11.8	-5.5
Max Temperature of Warmest Period	22.81	4.2	12.5	15.5	17.4	20.02	22.6	26.1	28.2	29.3	31.6	34.0	10.6
Min Temperature of Coldest Period	-14.27	4.47	-25.4	-20.6	-19.1	-17.6	-14.6	-11.2	-8.2	-6.6	-3.5	-0.6	-27.9
Annual Precipitation	612.69	183.78	298.0	366.65	408.0	492.0	580.0	695.75	861.0	983.7	1191.51	1433.0	228.0
Precipitation of Warmest Quarter	156.24	67.73	40.0	58.0	73.0	105.0	144.0	205.0	263.0	277.0	297.0	344.0	23.0
Precipitation of Coldest Quarter	168.65	95.42	41.0	61.0	72.0	98.0	151.0	212.75	286.7	350.0	519.27	622.0	22.0