What Growing Zone Is Columbia City?
Our records indicate the United States Department of Agriculture has given Columbia City a growing zone designation of 8b. Sometimes also called the planting or hardiness zone, this zone number gives you an idea of what plants can and cannot grow in Columbia City's climate based on the average extreme annual temperature. .Our data is based on the latest 2023 USDA maps, which used Columbia City's weather data from 1991 - 2020 in their analysis.
Latest OR growing zone mapIf you are looking for plants suitable for growing in the Columbia City area, head on over to our page on plants that grow well in Columbia City, OR.
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Latest OR growing zone mapThe growing zone is a measure of the lowest temperature that a plant can survive based on average lowest year temperatures, helping you to decide what plants would grow best in your particular climate. Since Columbia City is in growing zone 8b this means that plants there can survive temperatures as low as 15 to 20 degrees Fahrenheit. Plants for Columbia City's climate should be chosen with this in mind, or plants should be moved inside to keep their core temperature in the right range if necessary.
Some zones may have been changed by the USDA as of 2023. To see if the Columbia City area has been affected, refer to this map of half zone changes from the 2012 version of the USDA zones to the 2023 version.
Half zone changes from 2012 to 2023The updated map shows that over half of the Southeast has warmed by about half a zone. For gardeners, that means you can now grow plants that tolerate a bit more heat and less frost than before. The tan areas reflect this shift. Meanwhile, the white areas had slight temperature changes, but not enough to move them into a new zone. In the Western U.S., a few spots shifted cooler. That’s not due to a colder climate, but because the new map uses a larger dataset, giving a more accurate picture of local conditions. It's important to keep track of these changes when planning your garden!
Columbia City's Growing Zone Details
USDA Growing Zone: 8b
Zip Codes: 97018
Longitude: -122.8116
Latitude: 45.895
Lowest Avg Temperatures (F): 15 to 20
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Plants For Other States
Looking for the best plants in a different area of the United States? Click on a button below to find plants that are ideal for that state's temperatures.
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