Canada's Plant Hardiness Site

Veratrum viride Aiton

green false hellebore, American false hellebore, Indian hellebore

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Data Details

Number unique observations: 4026
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	1
2a	2
2b	3
3a	4
3b	5
4a	6
4b	5
5a	3
5b	3
6a	2
6b	1
7a	1
7b	1
8a	1
8b	1
9a	1
Outside Canada	56

USDA Zones
Zone	%
1	0
2	0
3	8
4	24
5	27
6	28
7	8
8	1
9	1
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	5.76	3.67	-3.3	-0.7	0.7	3.2	6.2	8.4	10.2	11.4	12.9	15.9	-5.4
Max Temperature of Warmest Period	24.11	4.51	12.7	15.2	16.75	21.4	25.5	27.4	28.8	29.5	31.1	34.0	10.2
Min Temperature of Coldest Period	-11.54	4.8	-21.9	-18.7	-17.6	-15.2	-11.5	-8.5	-5.2	-3.3	0.1	2.5	-25.8
Annual Precipitation	1165.78	386.61	467.75	592.25	687.5	994.0	1143.0	1274.0	1621.5	2000.0	2487.5	2728.0	267.0
Precipitation of Warmest Quarter	271.12	83.29	68.25	120.0	146.0	206.0	295.0	329.0	353.0	372.0	450.75	533.0	20.0
Precipitation of Coldest Quarter	313.47	178.37	91.0	147.0	181.0	219.0	261.0	316.0	582.5	776.5	947.0	1029.0	43.0