Canada's Plant Hardiness Site

Petasites frigidus var. palmatus (L.) Fr.

palmate sweet coltsfoot, western sweet coltsfoot

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Data Details

Number unique observations: 3996
Zone range (Canada): 0a - 9a

p 1971-2000

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Hardiness Zones

Canadian Plant Hardiness Zones
Zone	%
0a	1
0b	5
1a	8
1b	9
2a	10
2b	11
3a	7
3b	4
4a	3
4b	2
5a	1
5b	1
6a	1
6b	1
7a	1
7b	1
8a	1
8b	1
9a	1
Outside Canada	29

USDA Zones
Zone	%
1	1
2	23
3	31
4	16
5	12
6	9
7	2
8	1
9	1
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	3.01	4.27	-5.4	-2.9	-1.55	0.3	2.1	5.32	10.1	11.0	13.5	15.1	-9.9
Max Temperature of Warmest Period	22.51	2.64	15.79	18.1	19.3	21.0	22.5	24.0	25.9	27.1	28.8	30.9	13.9
Min Temperature of Coldest Period	-17.09	9.85	-30.9	-29.1	-27.5	-25.1	-18.8	-12.78	0.2	1.1	3.4	5.6	-33.1
Annual Precipitation	896.76	477.24	369.0	427.0	460.0	542.0	756.5	1097.25	1643.5	1982.0	2413.05	2587.0	201.0
Precipitation of Warmest Quarter	224.81	79.02	16.0	64.0	100.0	185.0	244.0	282.0	307.0	323.0	352.0	447.0	8.0
Precipitation of Coldest Quarter	254.64	266.29	52.0	60.0	64.0	73.0	133.0	280.25	728.0	877.0	1058.05	1166.0	28.0