Canada's Plant Hardiness Site

Impatiens glandulifera Royle

Himalayan balsam, purple jewelweed, Indian balsam, policeman's helmet

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Data Details

Number unique observations: 1091
Zone range (Canada): 1b - 9a

p 1971-2000

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Hardiness Zones

Canadian Plant Hardiness Zones
Zone	%
0a	0
0b	0
1a	0
1b	1
2a	1
2b	2
3a	11
3b	10
4a	7
4b	6
5a	3
5b	3
6a	2
6b	1
7a	1
7b	1
8a	1
8b	1
9a	1
Outside Canada	47

USDA Zones
Zone	%
1	0
2	0
3	23
4	25
5	24
6	21
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	6.17	2.22	1.4	2.5	3.1	4.8	6.2	7.4	9.5	10.25	11.21	12.1	-0.3
Max Temperature of Warmest Period	25.0	1.79	19.7	22.0	22.7	23.8	25.3	26.4	27.0	27.2	28.6	30.6	18.5
Min Temperature of Coldest Period	-12.44	6.37	-24.32	-21.8	-19.1	-17.05	-12.8	-10.2	-0.6	0.6	1.4	3.4	-26.6
Annual Precipitation	1069.41	346.01	413.8	493.0	636.0	881.0	1030.0	1206.5	1475.0	1786.0	2168.5	2335.0	303.0
Precipitation of Warmest Quarter	244.16	61.25	83.0	113.5	148.0	226.0	251.0	275.0	316.0	342.0	364.1	419.0	45.0
Precipitation of Coldest Quarter	290.27	176.55	45.0	62.0	123.0	194.5	245.0	324.5	535.0	729.5	883.6	934.0	38.0