Canada's Plant Hardiness Site

Polystichum lonchitis (L.) Roth

northern holly fern, mountain holly fern, narrow holly fern

Synonymy

Data Details

Number unique observations: 1144
Zone range (Canada): 0a - 9a

p 1971-2000

Map Legend
Download Grid Data
Hardiness Zones
Canadian Plant Hardiness Zones
Zone%
0a1
0b1
1a1
1b1
2a2
2b4
3a5
3b5
4a6
4b5
5a3
5b3
6a2
6b1
7a1
7b1
8a1
8b1
9a1
Outside Canada54
USDA Zones
Zone%
10
20
39
427
529
625
74
82
91
100
110
120
130
Bioclimatic profile
namemeanS.D.1%5%10%25%50%75%90%95%99%maximumminimum
Annual Mean Temperature 2.983.18-4.21-2.28-1.30.73.15.46.77.6810.2612.5-6.2
Max Temperature of Warmest Period 21.024.3711.6913.4214.917.621.524.626.027.530.432.69.7
Min Temperature of Coldest Period -12.154.76-21.76-19.0-17.7-15.4-12.5-9.3-5.26-3.2-0.042.8-27.5
Annual Precipitation 1082.68474.46417.16551.0625.3761.75943.51281.51802.42083.552562.562910.0246.0
Precipitation of Warmest Quarter 200.7669.4249.091.15117.0150.0200.0248.0283.4313.0373.57453.033.0
Precipitation of Coldest Quarter 356.06224.6680.43122.0143.0198.0286.5443.25713.1857.81061.141165.039.0