Canada's Plant Hardiness Site

Osmunda regalis var. spectabilis (Willd.) A.Gray

royal fern, regal fern, flowering fern

Synonymy

Data Details

Number unique observations: 941
Zone range (Canada): 2a - 7b

p 1971-2000

Map Legend
Download Grid Data
Hardiness Zones
Canadian Plant Hardiness Zones
Zone%
0a0
0b0
1a0
1b0
2a1
2b2
3a3
3b2
4a3
4b3
5a2
5b2
6a1
6b1
7a1
7b1
8a0
8b0
9a0
Outside Canada76
USDA Zones
Zone%
10
21
38
414
518
625
714
815
94
100
110
120
130
Bioclimatic profile
namemeanS.D.1%5%10%25%50%75%90%95%99%maximumminimum
Annual Mean Temperature 9.645.130.682.94.25.78.414.117.819.020.522.7-1.5
Max Temperature of Warmest Period 28.363.4221.623.324.225.628.031.633.333.634.735.719.4
Min Temperature of Coldest Period -9.897.62-25.76-21.6-19.4-15.8-10.2-3.60.92.95.910.4-28.6
Annual Precipitation 1155.93240.82700.0760.0805.0993.01169.01307.01478.01563.01668.81766.0656.0
Precipitation of Warmest Quarter 317.0649.65222.8253.0264.0287.0313.0335.0365.0425.0492.6514.0194.0
Precipitation of Coldest Quarter 259.89107.3259.872.089.0200.0269.0332.0412.0430.0456.0491.052.0