Canada's Plant Hardiness Site

Heracleum mantegazzianum Sommier & Levier

giant hogweed, giant cow parsnip, cartwheel flower

Synonymy

Data Details

Number unique observations: 311
Zone range (Canada): 2b - 9a

p 1971-2000

Map Legend
Download Grid Data
Hardiness Zones
Canadian Plant Hardiness Zones
Zone%
0a0
0b0
1a0
1b0
2a0
2b1
3a1
3b1
4a4
4b8
5a6
5b7
6a5
6b3
7a1
7b1
8a1
8b1
9a1
Outside Canada61
USDA Zones
Zone%
10
20
31
419
527
644
74
82
91
100
110
120
130
Bioclimatic profile
namemeanS.D.1%5%10%25%50%75%90%95%99%maximumminimum
Annual Mean Temperature 7.232.062.714.04.65.96.98.6510.110.8511.512.72.0
Max Temperature of Warmest Period 25.761.6222.2223.0523.424.825.926.927.528.129.5931.121.0
Min Temperature of Coldest Period -10.585.95-19.8-18.8-17.8-14.2-11.4-9.50.40.71.21.5-24.1
Annual Precipitation 1076.23208.87797.0818.5845.0928.01036.01172.51333.01495.01716.11871.0391.0
Precipitation of Warmest Quarter 247.1971.5284.299.0114.0230.0257.0287.0341.0349.5368.5387.070.0
Precipitation of Coldest Quarter 288.19136.17128.2160.5172.0197.5248.0304.0505.0627.0704.2814.089.0