Sedro-Woolley's Hardiness Zone

Our records indicate the United States Department of Agriculture has given Sedro-Woolley a 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 Sedro-Woolley's climate. If you are looking for plants suitable for growing in the Sedro-Woolley area, head on over to our page on plants that grow well in Sedro-Woolley, WA.

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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 Sedro-Woolley is in growing zone 8b this means that plants there can survive temperatures as low as 10 to 15 degrees Fahrenheit. Plants chosen for Sedro-Woolley'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.

USDA Growing Zone: 8b

Zip Codes: 98284

Longitude: -122.2321

Latitude: 48.5112

Lowest Avg Temperatures (F): 15 to 20