Canada's Plant Hardiness Site

Athyrium filix-femina (L.) Roth

common lady fern, northern lady fern, subarctic lady fern

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Data Details

Number unique observations: 5974
Zone range (Canada): 0b - 9a

p 1971-2000

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Hardiness Zones

Canadian Plant Hardiness Zones
Zone	%
0a	0
0b	1
1a	1
1b	2
2a	7
2b	12
3a	8
3b	5
4a	3
4b	3
5a	1
5b	1
6a	1
6b	1
7a	1
7b	1
8a	1
8b	1
9a	1
Outside Canada	50

USDA Zones
Zone	%
1	0
2	4
3	26
4	18
5	16
6	18
7	8
8	5
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	4.96	4.0	-2.1	-0.1	0.6	2.0	4.2	7.2	10.5	12.6	16.3	17.8	-5.7
Max Temperature of Warmest Period	23.96	3.5	14.87	17.5	19.5	22.3	24.0	25.8	28.0	29.7	33.1	35.1	12.7
Min Temperature of Coldest Period	-13.43	8.73	-27.63	-25.7	-24.6	-20.7	-14.2	-6.62	-0.1	0.9	3.5	6.0	-31.2
Annual Precipitation	1102.62	447.24	407.0	533.0	634.0	832.0	1004.0	1241.0	1772.7	2110.35	2490.54	2724.0	231.0
Precipitation of Warmest Quarter	234.49	92.21	15.0	65.0	101.0	161.0	263.0	303.0	333.0	352.35	405.0	525.0	7.0
Precipitation of Coldest Quarter	328.29	239.74	54.73	81.0	114.0	180.0	236.0	401.0	737.7	886.0	1040.27	1140.0	33.0