Canada's Plant Hardiness Site

Amaranthus spinosus L.

spiny amaranth, thorny pigweed, thorny amaranth, spiny pigweed

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Data Details

Number unique observations: 531
Zone range (Canada): 7a - 7b

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	0
3a	0
3b	0
4a	0
4b	0
5a	0
5b	0
6a	0
6b	0
7a	1
7b	1
8a	0
8b	0
9a	0
Outside Canada	99

USDA Zones
Zone	%
1	0
2	0
3	0
4	0
5	1
6	25
7	26
8	31
9	12
10	2
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	15.42	3.91	9.16	10.6	11.3	12.5	14.2	17.6	22.5	23.3	24.37	24.6	6.3
Max Temperature of Warmest Period	32.14	1.53	27.68	29.5	30.1	31.0	32.4	33.2	33.8	34.25	35.77	36.2	27.2
Min Temperature of Coldest Period	-2.16	6.38	-11.77	-9.75	-8.6	-6.7	-4.1	0.45	9.3	11.4	14.6	15.4	-18.6
Annual Precipitation	1221.66	191.46	630.5	935.0	980.0	1099.5	1208.0	1366.5	1463.0	1503.0	1645.5	1804.0	548.0
Precipitation of Warmest Quarter	342.23	99.25	188.6	249.0	272.0	287.0	308.0	337.5	527.0	576.5	622.2	641.0	177.0
Precipitation of Coldest Quarter	263.1	92.99	78.2	125.0	150.0	195.5	254.0	335.0	406.0	417.5	442.4	506.0	43.0