Canada's Plant Hardiness Site

Sonchus asper (L.) Hill

prickly sow-thistle, spiny sow-thistle, rough sow-thistle

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Data Details

Number unique observations: 5375
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	1
3b	2
4a	2
4b	2
5a	1
5b	1
6a	1
6b	1
7a	1
7b	1
8a	1
8b	1
9a	1
Outside Canada	86

USDA Zones
Zone	%
1	0
2	0
3	3
4	12
5	15
6	23
7	14
8	16
9	11
10	1
11	1
12	0
13	0

Bioclimatic profile

name	mean	S.D.	1%	5%	10%	25%	50%	75%	90%	95%	99%	maximum	minimum
Annual Mean Temperature	13.4	5.07	2.3	5.1	6.4	9.7	13.7	17.5	20.0	21.1	22.9	24.5	-1.4
Max Temperature of Warmest Period	30.91	3.97	22.0	23.8	25.3	28.1	31.6	33.7	35.6	36.1	40.4	42.5	18.3
Min Temperature of Coldest Period	-3.8	7.13	-21.2	-16.6	-13.4	-8.9	-2.8	1.5	4.6	6.6	10.2	15.0	-25.3
Annual Precipitation	959.19	369.43	196.0	310.0	401.0	696.0	1001.0	1228.0	1416.6	1504.0	1679.0	2046.0	85.0
Precipitation of Warmest Quarter	236.4	129.04	8.0	11.0	25.0	159.0	261.0	313.0	359.0	460.0	565.0	624.0	3.0
Precipitation of Coldest Quarter	242.35	133.51	33.74	52.0	74.4	148.0	230.0	311.0	413.0	478.0	658.52	752.0	21.0