What growing zone is Tri Cities Washington?

7a and 7b
The Tri-Cities area straddles hardiness zones 7a and 7b. This means our ten-year average minimum winter temperature falls between 0°F and 10°F. It also means that a wide range of plants will thrive in our relatively temperate climate.

What planting zone is Eatonville WA?

Zipcode 98328 – Eatonville Washington is in Hardiness Zones 7b, 8a and 8b.

What garden zone is Richland WA?

7a
Richland, Washington is in USDA Hardiness Zones 7a and 7b.

What zone is Pasco WA?

Pasco, Washington is in USDA Hardiness Zones 7a and 7b.

What zone is Richland WA?

What is the hardiness zone in Kennewick WA?

Kennewick, WA is in Zone 7a. Scroll down for more information. The USDA Hardiness Zone Map divides North America into 11 separate planting zones; each growing zone is 10°F warmer (or colder) in an average winter than the adjacent zone.

How is plant hardiness determined in Washington State?

For the past thirty years, the USDA has collected data from weather stations around the country to use for zone determination on their new 2012 plant hardiness map. Above is the Washington planting map that you can enlarge to find your zone.

What are the climate zones in Washington State?

The central and westerly portion of the state, however, could dip down to as low as -30 degrees F (-34.4 C.). For the past thirty years, the USDA has collected data from weather stations around the country to use for zone determination on their new 2012 plant hardiness map.

What are the hardiness zones for outdoor plants?

When selecting an outdoor plant, gardeners check to see if it grows in their hardiness zone. To facilitate this, plants are often sold with information about the range of hardiness zones they can survive. For example, a tropical plant might be described as thriving in USDA plant hardiness zones 10-12.