Canada's Plant Hardiness Site

Listera caurina Piper

northwestern twayblade, northwest twayblade

Choose a layer:

Choose a model:

Data Details

Number unique observations: 223
Zone range (Canada): 0b - 9a

p 1971-2000

Map Legend

Download Grid Data

Hardiness Zones

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

USDA Zones
Zone	%
1	0
2	0
3	3
4	16
5	30
6	33
7	7
8	5
9	1
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	5.11	2.7	-1.8	0.41	1.82	3.3	5.2	7.0	8.86	9.58	11.0	11.8	-2.3
Max Temperature of Warmest Period	22.09	3.94	14.2	15.6	16.5	18.9	22.6	24.9	27.28	28.4	29.46	31.3	13.2
Min Temperature of Coldest Period	-7.28	4.9	-17.96	-15.29	-13.88	-10.75	-7.1	-3.75	-0.52	0.19	2.05	2.4	-20.9
Annual Precipitation	1443.54	754.46	388.14	618.1	678.0	795.0	1268.0	1961.0	2496.6	2936.6	3319.56	3500.0	329.0
Precipitation of Warmest Quarter	192.83	111.98	44.1	58.4	76.4	122.0	159.0	244.0	371.4	425.0	511.9	563.0	39.0
Precipitation of Coldest Quarter	529.43	298.56	98.22	169.8	212.4	269.0	469.0	763.0	950.8	1057.9	1298.4	1337.0	84.0