Canada's Plant Hardiness Site

Nabalus altissimus (L.) Hook.

tall white lettuce, tall rattlesnakeroot, tall white rattlesnakeroot

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Data Details

Number unique observations: 1870
Zone range (Canada): 2b - 7b

p 1971-2000

Map Legend

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Hardiness Zones

Canadian Plant Hardiness Zones
Zone	%
0a	0
0b	0
1a	0
1b	0
2a	0
2b	1
3a	1
3b	1
4a	4
4b	5
5a	3
5b	3
6a	2
6b	1
7a	1
7b	1
8a	0
8b	0
9a	0
Outside Canada	77

USDA Zones
Zone	%
1	0
2	0
3	1
4	13
5	14
6	33
7	21
8	14
9	0
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	9.32	3.93	2.34	3.9	4.5	5.9	9.1	12.7	14.8	15.76	17.9	18.9	0.1
Max Temperature of Warmest Period	28.24	2.94	22.3	23.8	24.6	26.0	27.95	30.7	32.3	32.96	33.83	34.7	20.0
Min Temperature of Coldest Period	-10.05	5.47	-21.43	-19.0	-17.8	-14.4	-9.5	-5.8	-3.0	-1.6	1.1	2.9	-24.7
Annual Precipitation	1136.77	190.58	809.69	853.9	903.9	989.0	1128.0	1245.75	1422.1	1491.55	1612.24	1745.0	647.0
Precipitation of Warmest Quarter	295.23	37.82	221.0	234.0	245.0	268.0	296.0	319.0	342.1	359.0	389.31	420.0	209.0
Precipitation of Coldest Quarter	261.64	72.47	135.69	164.0	180.9	208.0	255.5	293.0	376.2	414.55	448.31	489.0	72.0