Canada's Plant Hardiness Site

Neottia convallarioides (Sw.) Rich.

broad-lip twayblade, broad-leaf twayblade

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Data Details

Number unique observations: 359
Zone range (Canada): 1b - 8b

p 1971-2000

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Hardiness Zones

Canadian Plant Hardiness Zones
Zone	%
0a	0
0b	0
1a	0
1b	1
2a	1
2b	7
3a	11
3b	8
4a	6
4b	4
5a	2
5b	2
6a	1
6b	1
7a	1
7b	1
8a	1
8b	1
9a	0
Outside Canada	50

USDA Zones
Zone	%
1	0
2	1
3	25
4	22
5	24
6	22
7	3
8	1
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	4.79	2.27	-0.57	1.09	1.7	3.3	4.9	6.0	7.8	8.6	10.44	11.0	-2.3
Max Temperature of Warmest Period	24.51	2.75	18.01	19.89	21.2	23.0	24.7	26.0	27.9	29.6	31.5	33.6	15.8
Min Temperature of Coldest Period	-12.39	4.97	-24.64	-21.1	-18.5	-15.1	-12.7	-9.05	-5.28	-4.2	-2.42	-1.0	-27.8
Annual Precipitation	937.34	354.62	335.74	424.0	507.0	726.0	861.0	1111.0	1443.0	1624.1	1951.84	2255.0	282.0
Precipitation of Warmest Quarter	178.49	98.1	34.58	40.0	48.0	94.0	161.0	259.0	306.0	336.0	400.62	463.0	30.0
Precipitation of Coldest Quarter	293.92	191.45	45.58	83.8	114.8	163.0	236.0	367.0	565.4	732.7	894.92	949.0	33.0