Canada's Plant Hardiness Site

Rumex obtusifolius L.

bitter dock, blunt-leaf dock, broad-leaf dock

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Data Details

Number unique observations: 4073
Zone range (Canada): 2b - 9a

p 1971-2000

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Hardiness Zones

Canadian Plant Hardiness Zones
Zone	%
0a	0
0b	0
1a	0
1b	0
2a	0
2b	1
3a	1
3b	1
4a	2
4b	4
5a	3
5b	3
6a	2
6b	1
7a	1
7b	1
8a	1
8b	1
9a	1
Outside Canada	80

USDA Zones
Zone	%
1	0
2	0
3	1
4	12
5	23
6	36
7	18
8	8
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	9.52	2.98	3.2	4.5	5.5	7.4	9.7	11.5	13.3	14.5	16.1	19.1	0.0
Max Temperature of Warmest Period	28.04	2.64	21.8	23.5	24.5	26.3	28.2	29.8	31.5	32.2	33.5	36.6	18.6
Min Temperature of Coldest Period	-8.59	5.09	-19.9	-17.6	-15.7	-11.5	-8.7	-5.4	-1.12	0.5	1.4	6.8	-24.1
Annual Precipitation	1121.96	224.33	523.72	809.6	857.0	987.0	1122.0	1225.0	1356.0	1511.4	1845.52	2135.0	237.0
Precipitation of Warmest Quarter	280.83	68.55	70.0	104.0	171.0	267.0	298.0	319.0	340.0	352.4	387.0	507.0	39.0
Precipitation of Coldest Quarter	272.56	133.05	75.72	120.0	152.0	198.0	251.0	295.0	428.8	575.4	781.28	851.0	23.0