HelpMeFind Roses, Clematis and Peonies
Roses, Clematis and Peonies
and everything gardening related.
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American Horticultural Society USA plant hardiness zone map. You can also look your zone using your zip code.
Agriculture and Agri-Food Canada - The Nation Land and Water Information Service.
Two hundred roses are rated on a scale from 1 to 10 on the winter survival of their canes in Zone 4. This test was run at Bailey Nurseries display garden in St. Paul, Minnesota and at the Minnesota Landscape Arboretum in Chanhassen, Minnesota.
An evaluation of many roses for their appropriateness for growing in Minnesota, considering both disease-resistance and hardiness.
Detailed plant hardiness map of Maine courtesy of the University of Maine.
Plant Hardiness Zones for Australia courtesy of the Australian government (1991)
More zone maps from Agriculture and Agri-Food Canada - The Nation Land and Water Information Service.
Plant hardiness maps for Europe courtesy of GardenWeb. Click on the map to view more detailed area maps.
An Updated USDA hardiness zone map courtesy of Texas A & M University.
The 2003 US National Arboretum "Web Version" of the 1990 USDA Plant Hardiness Zone Map. Detailed maps by region.
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