Plant hardiness zone map
Check out an example image of the official usda plant hardiness zone map below then go to the usda website to find out exactly which zone you live in. Considered the standard measure of plant hardiness the usda plant hardiness zone map is based on average annual minimum winter temperatures.
Hardiness Zone Map At Arborday Org
Agricultural research service u s.
This system was designed for the gardening and agricultural industry. It is used by the agriculture industry to define what plants grow best in what areas by understanding what zone you re located in you can find out which plants will grow best in your area and which won t. Users may also. Arizona usda zone map.
It has been adapted by and to other countries such as canada in various forms. Usda zones 1a through 8b are represented in alaska. Arkansas usda zone map. The 2012 usda plant hardiness zone map is the standard by which gardeners and growers can determine which plants are most likely to thrive at a location.
Usda zones 7a through 9a are represented in alabama. Click the turn on map legend box to display the map legend. The us department of agriculture created the usda plant hardiness zone map to provide a standard definition of climatic conditions relevant to plant growth and survival. It was a way for companies to demonstrate which plants would work best in which areas.
Obtain plant hardiness zone information. The map is based on the average annual minimum winter temperature divided into 10 degree f zones. Each agricultural zone covers a 10 degree range. A hardiness zone is a geographic area defined to encompass a certain range of climatic conditions relevant to plant growth and survival.
If they are following the zone system then each zone is 10f higher than the last one making zone 12 at 50 f and zone 13 at 60 f. The us department of agriculture divided out the map of the us in areas which range from planting zone 1a to planting zone 13b. To pan and zoom use your mouse and scroll wheel the arrow keys on your keyboard or the zoom slider on the left side of your map. What is the usda hardiness zone map.
Usda plant hardiness zone map. These are areas which range in minimum temperatures from 60 degrees fahrenheit to 70 degrees fahrenheit. The original and most widely used system developed by the united states department of agriculture usda as a rough guide for landscaping and gardening defines 13 zones by annual extreme minimum temperature. Zone 1 is the coldest with an average minimum winter temperature of 60 to 50 degrees f while the minimum winter average.
Click on the map to display a pop up window with the plant hardiness zone average temperature and temperature range. The usda hardiness zone map divides north america into 11 separate planting zones. Choose basemap displays. For the first time the map is available as an interactive gis based map for which a broadband internet connection is recommended and as static images for those with slower internet access.
Each growing zone is 10 f warmer or colder in an average winter than the adjacent zone. Alaska usda zone map. Alabama usda zone map. To find your usda hardiness zone enter your zip code or.
Unless otherwise specified hardiness zone or simply zone. Planting zones are broken down into thirteen areas also known as usda zones which cover the entire united states including hawaii alaska and puerto rico. Temperature range for planting zones. The map is divided into thirteen distinct 10ºf zones which are further divided into sub zones of 5 f.
This map shows higher zones than the accepted usda map allows for the usda hardiness zone map simply assigns zone 11 for anywhere with an average annual minimum temperature above 40 f. Planting zones or growing zones are illustrated on a map known as the usda plant hardiness zone map. To zoom in you can also hold down the shift key and drag a box on the map. Usda zones 4b through 10b are represented in arizona.
Continue to 5 of 54 below. Being able to understand a hardiness zone map means you ll have a starting point for making wise planting decisions. Usda plant hardiness zone map. Usda zones 6b through 8a are represented in arkansas.
If you see a hardiness zone in a gardening catalog or plant description chances are it refers to this usda map.
Usda Plant Hardiness Zones
Hardiness Zone Wikipedia
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