Canada's Plant Hardiness Site

Betula pendula Roth

weeping birch, silver birch, European white birch

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Data Details

Number unique observations: 533
Zone range (Canada): 2a - 9a

p 1971-2000

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Hardiness Zones

Canadian Plant Hardiness Zones
Zone	%
0a	0
0b	0
1a	0
1b	0
2a	1
2b	1
3a	2
3b	4
4a	4
4b	3
5a	2
5b	2
6a	1
6b	1
7a	1
7b	1
8a	1
8b	1
9a	1
Outside Canada	76

USDA Zones
Zone	%
1	0
2	0
3	6
4	16
5	22
6	31
7	15
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	8.92	2.58	1.92	4.86	5.72	6.8	9.3	10.6	11.7	12.24	15.77	16.8	0.9
Max Temperature of Warmest Period	27.2	2.52	21.26	23.1	24.0	25.8	27.1	28.7	30.1	31.64	33.64	35.4	18.6
Min Temperature of Coldest Period	-7.92	6.2	-21.28	-16.84	-16.1	-12.1	-8.9	-1.7	0.78	1.1	2.8	5.3	-25.2
Annual Precipitation	1030.31	301.67	279.6	448.6	637.6	886.0	1026.0	1184.0	1303.0	1550.6	1861.36	2135.0	185.0
Precipitation of Warmest Quarter	220.07	92.83	10.32	56.2	81.2	125.0	254.0	292.0	316.8	333.4	348.04	372.0	5.0
Precipitation of Coldest Quarter	290.25	168.32	42.28	84.6	132.2	188.0	236.0	352.0	543.6	640.0	792.72	849.0	32.0