Canada's Plant Hardiness Site

Achillea borealis Bong.

boreal yarrow, northern yarrow

Synonymy

Data Details

Number unique observations: 412
Zone range (Canada): 0a - 9a

p 1971-2000

Map Legend
Download Grid Data
Hardiness Zones
Canadian Plant Hardiness Zones
Zone%
0a6
0b8
1a6
1b5
2a5
2b6
3a4
3b3
4a2
4b1
5a1
5b1
6a1
6b1
7a1
7b1
8a1
8b1
9a1
Outside Canada46
USDA Zones
Zone%
11
232
323
414
511
610
74
81
91
101
110
120
130
Bioclimatic profile
namemeanS.D.1%5%10%25%50%75%90%95%99%maximumminimum
Annual Mean Temperature 2.235.72-11.58-5.94-5.0-2.12.26.928.911.1614.6915.5-13.2
Max Temperature of Warmest Period 22.915.7312.4114.5615.6117.6822.926.931.231.7432.5834.210.6
Min Temperature of Coldest Period -18.288.37-33.54-30.3-29.9-25.72-17.1-12.7-9.01-4.914.075.7-34.5
Annual Precipitation 690.86317.25138.44289.55356.0460.75609.5910.01121.31259.151597.451927.0115.0
Precipitation of Warmest Quarter 213.5873.7312.1180.0121.0163.75223.0265.0304.8325.25358.67427.06.0
Precipitation of Coldest Quarter 136.54122.1819.031.035.047.584.0206.5278.9368.15622.18668.014.0