Canada's Plant Hardiness Site

Glyceria maxima (Hartm.) Holmb.

rough glyceria, English watergrass, reed mannagrass, tall mannagrass

Synonymy

Data Details

Number unique observations: 111
Zone range (Canada): 1b - 9a

p 1971-2000

Map Legend
Download Grid Data
Hardiness Zones
Canadian Plant Hardiness Zones
Zone%
0a0
0b0
1a0
1b1
2a4
2b15
3a12
3b8
4a5
4b3
5a2
5b2
6a1
6b1
7a1
7b1
8a1
8b1
9a1
Outside Canada39
USDA Zones
Zone%
10
24
337
420
519
616
71
81
91
100
110
120
130
Bioclimatic profile
namemeanS.D.1%5%10%25%50%75%90%95%99%maximumminimum
Annual Mean Temperature 6.872.3-1.973.44.55.77.28.210.010.2510.3910.9-2.8
Max Temperature of Warmest Period 26.351.6721.9323.223.725.2526.627.528.428.628.828.921.4
Min Temperature of Coldest Period -12.645.75-26.64-19.95-17.7-16.4-13.6-10.55-0.90.451.01.5-27.3
Annual Precipitation 963.37270.63312.7740.5814.0856.0882.0965.51303.01646.51838.61871.0275.0
Precipitation of Warmest Quarter 251.3756.2392.2142.0196.0223.5244.0297.0318.0323.0352.9365.070.0
Precipitation of Coldest Quarter 223.25155.0345.984.0103.0124.0194.0222.0473.0641.0708.5747.043.0