Canada's Plant Hardiness Site

Alnus incana (L.) Moench

gray alder, grey alder, hoary alder, white alder, speckled alder (subsp. rugosa)

Synonymy

Data Details

Number unique observations: 3387
Zone range (Canada): 1a - 8a

p 1971-2000

Map Legend
Download Grid Data
Hardiness Zones
Canadian Plant Hardiness Zones
Zone%
0a0
0b0
1a1
1b2
2a8
2b15
3a11
3b7
4a4
4b3
5a1
5b1
6a1
6b1
7a1
7b1
8a1
8b0
9a0
Outside Canada39
USDA Zones
Zone%
10
27
336
417
518
617
71
81
90
100
110
120
130
Bioclimatic profile
namemeanS.D.1%5%10%25%50%75%90%95%99%maximumminimum
Annual Mean Temperature 4.782.6-1.310.61.33.04.96.58.19.210.713.2-3.6
Max Temperature of Warmest Period 25.482.0420.022.123.124.225.426.928.228.730.332.018.6
Min Temperature of Coldest Period -16.45.59-27.9-25.9-24.5-20.1-16.0-12.3-9.6-8.3-4.91.4-30.7
Annual Precipitation 896.49261.62328.44437.3530.0740.5859.01094.01227.41314.01517.01727.0245.0
Precipitation of Warmest Quarter 255.8770.1649.0101.0136.0239.0268.0302.0329.0341.7365.14444.033.0
Precipitation of Coldest Quarter 192.0897.3643.059.073.0109.0185.0257.0319.0370.0452.42523.029.0