Canada's Plant Hardiness Site

Arnica lonchophylla Greene

northern arnica, longleaf arnica, white-plumed arnica

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Data Details

Number unique observations: 143
Zone range (Canada): 0a - 6a

p 1971-2000

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Hardiness Zones

Canadian Plant Hardiness Zones
Zone	%
0a	4
0b	12
1a	10
1b	9
2a	9
2b	11
3a	8
3b	5
4a	3
4b	1
5a	1
5b	1
6a	1
6b	0
7a	0
7b	0
8a	0
8b	0
9a	0
Outside Canada	21

USDA Zones
Zone	%
1	1
2	37
3	36
4	15
5	6
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	0.63	3.43	-6.72	-4.99	-3.96	-2.5	1.5	2.95	4.5	5.98	6.7	7.0	-6.9
Max Temperature of Warmest Period	21.69	2.99	15.61	16.81	18.42	19.5	21.7	24.0	25.46	27.06	28.33	28.5	13.9
Min Temperature of Coldest Period	-20.29	6.45	-32.42	-30.56	-30.0	-26.75	-18.1	-14.9	-13.04	-12.4	-12.04	-10.3	-32.9
Annual Precipitation	658.29	286.4	279.78	314.3	322.0	449.5	595.0	746.0	1117.6	1239.0	1351.28	1400.0	273.0
Precipitation of Warmest Quarter	210.29	65.36	109.1	121.1	135.2	158.0	199.0	273.0	307.0	316.6	335.96	346.0	105.0
Precipitation of Coldest Quarter	127.41	90.02	37.0	43.0	50.2	59.5	86.0	164.0	276.8	332.3	357.74	362.0	33.0