Heat Zone Map For Plants
Zone 4 15 30 days 86 f.
Heat zone map for plants. The ahs plant heat zone map includes 12 zones each indicating the average yearly number of days with temperatures over 86 f 30 c. Many factors influence which plants will thrive in a given location. This map is based on the number of heat days experienced in a given area. Zone 2 1 7 days 86 f.
So what are heat zones. The map s twelve zones are based on the average number of heat days per year days that temperatures rise above 86 f. California heat zone map. Arizona interactive heat zones map.
Plants that can t tolerate high heat may stop blooming the leaves may turn pale and the plants may become more susceptible to pests. Zone 5 31 45 days 86 f. California interactive heat zones map. With the average minimum winter temperature between 50 and 70 degrees f zones 12 and 13 the warmest of all the usda hardiness zones feature tropical plants and exotic fruits.
If you ve ever put in the effort to start your plants from seeds or you ve shelled out the money to plant a garden from seedlings someone else has started you understand why planting zones matter. Heat cold and elevation are just a few that can have a big impact. Zone 6 46 60 days 86 f. Zone 4 15 30 days 86 f.
The american horticultural society ahs developed a plant heat zone map that also divides the country into twelve numbered zones. This temperature is when plants. The map breaks the country up into 12 zones. Zone 1 1 days 86 f.
Arizona heat zone map. Why planting zones matter. Zone 7 61 90 days 86 f. These heat zones range from less than one heat day zone 1 to more than 210 heat days zone 12.
Zone 6 46 60 days 86 f. The map is based on the average annual minimum winter temperature divided into 10 degree f zones. Zone 3 8 14 days 86 f. A map called the ahs plant heat zone map has been created to help gardeners determine what species of plants thrive best in particular regions of the country in summer.
These two plant hardiness zones are extremely warm tropical environments that are best suited for plants tolerant of intense heat. Zone 5 31 45 days 86 f. Zone 3 8 14 days 86 f. Zone 7 61 90 days 86 f.
In the late 1990s the american horticultural society ahs developed the heat zone map which parallels the usda hardiness zone map. For the first time the map is available as an interactive gis based map for which a. If you plant something at the wrong time for your zone you ve wasted time money and effort. This threshold represents the point when the plants start suffering from the heat.
Each zone indicates the average number of days that zone experiences temperatures exceeding 86 f. Planting a garden is an investment of both time and money. Zone 1 1 days 86 f. Zone 2 1 7 days 86 f.