Canada's Plant Hardiness Site

Thuja plicata Donn ex D.Don

western red cedar, giant arborvitae, giant redcedar, canoe cedar, shinglewood

Choose a layer: > Map for gardeners - (Based on temperature variables only) Current distribution map - (Based on temperature and precipitation variables) ssp126 2011-2040 ssp126 2041-2070 ssp126 2071-2100 ssp245 2011-2040 ssp245 2041-2070 ssp245 2071-2100 ssp585 2011-2040 ssp585 2041-2070 ssp585 2071-2100

Choose a model: > ANUCLIM Maxent

Data Details

Number unique observations: 4659
Zone range (Canada): 1a - 9a

Draw

p 1971-2000

Download Grid Data

Hardiness Zones

Canadian Plant Hardiness Zones

Zone	%
0a	0
0b	0
1a	1
1b	1
2a	1
2b	2
3a	3
3b	4
4a	4
4b	4
5a	4
5b	5
6a	3
6b	2
7a	1
7b	1
8a	1
8b	1
9a	1
Outside Canada	59

USDA Zones

Zone	%
1	0
2	0
3	2
4	13
5	29
6	36
7	8
8	5
9	2
10	0
11	0
12	0
13	0

Bioclimatic profile

name	mean	S.D.	1%	5%	10%	25%	50%	75%	90%	95%	99%	maximum	minimum
Annual Mean Temperature	5.68	3.45	-1.9	-0.2	1.0	3.1	5.8	8.5	10.2	10.7	11.6	15.9	-3.9
Max Temperature of Warmest Period	21.66	3.98	13.0	15.1	16.4	18.6	21.9	24.5	27.0	28.0	29.7	33.2	10.3
Min Temperature of Coldest Period	-6.41	5.58	-16.9	-15.0	-13.72	-11.3	-6.7	-0.7	0.7	1.21	2.3	4.9	-22.6
Annual Precipitation	1464.41	692.98	438.16	605.0	698.8	902.0	1297.0	1947.5	2508.2	2816.1	3227.78	3576.0	196.0
Precipitation of Warmest Quarter	191.91	80.0	51.0	80.0	99.0	131.0	184.0	239.0	291.0	344.0	424.42	468.0	9.0
Precipitation of Coldest Quarter	554.06	298.31	116.58	175.0	211.0	301.0	496.0	783.0	978.2	1105.0	1257.0	1404.0	35.0

Download Profile