Canada's Plant Hardiness Site

Ammannia robusta Heer & Regel

scarlet ammannia, grand ammania, grand redstem, long-leaf ammannia

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Data Details

Number unique observations: 463
Zone range (Canada): 4a - 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	1
4b	1
5a	1
5b	1
6a	1
6b	1
7a	1
7b	1
8a	0
8b	0
9a	0
Outside Canada	99

USDA Zones
Zone	%
1	0
2	0
3	0
4	5
5	13
6	30
7	22
8	18
9	9
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	12.42	3.37	6.17	7.2	8.6	9.9	12.0	14.3	17.2	17.99	21.98	23.7	4.4
Max Temperature of Warmest Period	32.21	2.43	27.42	28.5	29.0	30.0	32.3	34.3	35.3	35.8	36.84	37.9	24.8
Min Temperature of Coldest Period	-7.06	6.03	-18.8	-16.99	-13.2	-10.7	-8.3	-3.25	2.0	3.99	7.24	11.4	-21.3
Annual Precipitation	750.68	282.79	177.86	256.2	335.2	526.0	791.0	960.5	1089.8	1154.4	1342.38	1430.0	122.0
Precipitation of Warmest Quarter	211.84	114.96	5.0	9.0	12.0	122.0	258.0	305.0	322.0	327.0	339.0	352.0	3.0
Precipitation of Coldest Quarter	139.92	92.06	30.62	38.0	45.0	67.0	123.0	186.0	285.2	329.9	400.04	489.0	22.0