Canada's Plant Hardiness Site

Euphrasia nemorosa (Pers.) Wallr.

common eyebright, Canada eyebright, hairy eyebright

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Data Details

Number unique observations: 1051
Zone range (Canada): 1a - 9a

p 1971-2000

Map Legend

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Hardiness Zones

Canadian Plant Hardiness Zones
Zone	%
0a	0
0b	0
1a	1
1b	1
2a	7
2b	16
3a	13
3b	8
4a	6
4b	5
5a	3
5b	3
6a	2
6b	1
7a	1
7b	1
8a	1
8b	1
9a	1
Outside Canada	28

USDA Zones
Zone	%
1	0
2	4
3	36
4	23
5	19
6	10
7	2
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	4.69	2.66	-0.7	0.7	1.3	2.7	4.6	6.3	8.7	9.8	10.4	10.9	-3.5
Max Temperature of Warmest Period	22.96	2.38	16.0	17.8	19.7	21.9	23.3	24.6	25.6	26.25	27.0	28.6	15.1
Min Temperature of Coldest Period	-13.17	7.32	-27.0	-24.6	-22.9	-18.1	-13.4	-9.4	-0.8	0.4	1.2	2.1	-30.5
Annual Precipitation	1179.64	464.85	424.0	501.0	636.0	860.5	1121.0	1406.0	1826.0	2133.0	2589.0	2891.0	380.0
Precipitation of Warmest Quarter	252.54	68.1	95.5	130.5	158.0	203.0	262.0	298.0	330.0	355.0	415.5	477.0	61.0
Precipitation of Coldest Quarter	343.56	224.38	59.0	71.0	111.0	207.0	284.0	408.0	712.0	859.0	1044.5	1138.0	49.0