Graham's Hardiness Zone

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Our records indicate the United States Department of Agriculture has given Graham a 2023 growing zone designation of 8b. Sometimes also called the planting zone or hardiness zone, this zone number gives you an idea of what plants can and cannot grow in Graham's climate. If you are looking for plants suitable for growing in the Graham area, head on over to our page on plants that grow well in Graham, WA.

Understanding your growing zone is very important because it is a measure of the lowest temperature that a plant can survive, helping you to decide what plants would grow best in your particular climate. Since Graham is in growing zone 8b this means that plants there can survive temperatures as low as 10 to 15 degrees Fahrenheit. Plants chosen for Graham'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.

2023 USDA Growing Zone: 8b

Zip Codes: 98338

Longitude: -122.2827

Latitude: 47.0322

Lowest Avg Temperatures (F): 15 to 20