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TitleCanada's Plant Hardiness Zones and Extreme Minimum Temperature Zones / Zones de rusticité des plantes au Canada et Zones de température minimale extrême
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AuthorMcKenney, D W; Pedlar, J H; Lawrence, K; Papadopol, P; Campbell, K; Hutchinson, M F; Kramers, R E; Rose, I; Monette, J; Morisset, N
Source 2014, 1 sheet, https://doi.org/10.4095/293796
Year2014
PublisherNatural Resources Canada
Edition3
Documentpamphlet
Lang.English; French
Maps2 maps
Map Info.botanical, plant hardiness/rusticité des plantes, 1:9,600,000
ProjectionLambert Conformal Conic Projection
Mediapaper; on-line; digital
RelatedThis publication supercedes the following publications
RelatedThis publication is related to the following publications
File formatpdf
ProvinceBritish Columbia; Alberta; Saskatchewan; Manitoba; Ontario; Quebec; New Brunswick; Nova Scotia; Prince Edward Island; Newfoundland and Labrador; Northwest Territories; Yukon; Nunavut
NTS1; 2; 3; 10; 11; 12; 13; 14; 15; 16; 20; 21; 22; 23; 24; 25; 26; 27; 28; 29; 30; 31; 32; 33; 34; 35; 36; 37; 38; 39; 40; 41; 42; 43; 44; 45; 46; 47; 48; 49; 52; 53; 54; 55; 56; 57; 58; 59; 62; 63; 64; 65; 66; 67; 68; 69; 72; 73; 74; 75; 76; 77; 78; 79; 82; 83; 84; 85; 86; 87; 88; 89; 92; 93; 94; 95; 96; 97; 98; 99; 102; 103; 104; 105; 106; 107; 114O; 114P; 115; 116; 117; 120; 340; 560
Lat/Long WENS-141.0000 -50.0000 90.0000 41.7500
Subjectsvegetation; temperature
LinksPlant hardiness zones
LinksRusticité des plantes
LinksChange and evolution in the plant hardiness zones of Canada (BioScience v.64 n.4, 2014)
Image
Abstract(unpublished)
This third edition of the plant hardiness zones map shows the different zones in Canada where various types of trees, shrubs and flowers will most likely survive. The map is based on a formula using seven important variables that influence plant survival:
1. Monthly mean of the daily minimum temperatures of the coldest month
2. Mean frost-free period (above 0°C) in days
3. Amount of rainfall from June to November
4. Monthly mean of the daily maximum temperatures of the warmest month
5. A winter harshness index related to rainfall in January
6. Mean maximum snow depth
7. Maximum wind gust in 30 year period
The original map was developed by Agriculture and Agri-Food Canada in the early 1960s based on average values from 1930 to 1960. This new map uses 1981 to 2010 averages. The map shown at right and on the reverse side shows an alternative plant hardiness zone approach using just one climate variable: the average of the annual extreme minimum temperature for the period 1981 to 2010.
This approach was originally developed by scientists at the United States Department of Agriculture (www.usna.usda.gov/Hardzone/).
To view an interactive version of this map and for more information on plant hardiness zones in Canada, please go to the following Web site: www.planthardiness.gc.ca
GEOSCAN ID293796