Canada's Plant Hardiness Site

Lolium perenne L.

perennial ryegrass, English rye grass, common darnel

Synonymy

Data Details

Number unique observations: 2151
Zone range (Canada): 2a - 9a

p 1971-2000

Map Legend
Download Grid Data
Hardiness Zones
Canadian Plant Hardiness Zones
Zone%
0a0
0b0
1a0
1b0
2a1
2b1
3a1
3b2
4a3
4b2
5a1
5b1
6a1
6b1
7a1
7b1
8a1
8b1
9a1
Outside Canada85
USDA Zones
Zone%
10
20
34
412
516
623
714
817
99
101
111
120
130
Bioclimatic profile
namemeanS.D.1%5%10%25%50%75%90%95%99%maximumminimum
Annual Mean Temperature 13.295.112.24.56.39.413.617.919.820.221.824.3-2.1
Max Temperature of Warmest Period 30.744.1421.6523.425.027.631.034.535.836.138.042.617.5
Min Temperature of Coldest Period -3.67.05-21.2-16.6-13.4-9.0-1.52.14.35.47.7514.1-25.1
Annual Precipitation 951.53339.91231.5359.5448.0750.0967.01192.01352.01477.01687.02003.085.0
Precipitation of Warmest Quarter 213.83123.446.010.015.0127.5232.0302.0337.0380.0530.5578.03.0
Precipitation of Coldest Quarter 253.73138.0736.062.095.0163.0233.0310.5427.0537.5698.0781.020.0