Canada's Plant Hardiness Site

Allium amplectens Torr.

slimleaf onion, narrowleaf onion, paper onion

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Data Details

Number unique observations: 431
Zone range (Canada): 3a - 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	0
3a	1
3b	1
4a	1
4b	1
5a	1
5b	1
6a	1
6b	1
7a	1
7b	1
8a	1
8b	1
9a	1
Outside Canada	97

USDA Zones
Zone	%
1	0
2	0
3	0
4	0
5	1
6	29
7	26
8	17
9	23
10	1
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	11.47	3.2	4.25	6.05	7.0	9.4	11.3	14.1	16.1	16.5	16.77	18.2	3.1
Max Temperature of Warmest Period	29.12	4.08	21.86	22.45	23.1	26.3	28.9	32.05	35.2	35.95	36.77	36.8	20.0
Min Temperature of Coldest Period	-0.86	3.32	-10.17	-7.95	-6.4	-2.45	0.3	1.35	2.2	2.8	4.72	5.4	-11.1
Annual Precipitation	1075.14	418.12	280.4	435.5	527.0	758.0	1087.0	1351.0	1609.0	1804.5	2068.4	2356.0	242.0
Precipitation of Warmest Quarter	46.34	33.81	6.0	8.5	11.0	16.0	40.0	69.0	95.0	115.5	139.4	154.0	4.0
Precipitation of Coldest Quarter	518.12	206.38	83.6	158.5	256.0	374.0	524.0	660.5	799.0	865.5	963.8	1126.0	44.0