What Growing Zone Is Tri-City?
Our records indicate the United States Department of Agriculture has given Tri-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 Tri-City's climate based on the average extreme annual temperature. .Our data is based on the latest 2023 USDA maps, which used Tri-City's weather data from 1991 - 2020 in their analysis.

If you are looking for plants suitable for growing in the Tri-City area, head on over to our page on plants that grow well in Tri-City, OR.

Cluck Around Sign

Brass Watering Can

Metal Seed Storage Box

Steel Hori Hori Weeding Knife

Wooden Chicken Coop
The 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 Tri-City is in growing zone 8b this means that plants there can survive temperatures as low as 15 to 20 degrees Fahrenheit. Plants for Tri-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.

Tri-City's Growing Zone Details
USDA Growing Zone: 8b
Zip Codes: 97457
Longitude: -123.2999
Latitude: 42.9894
Lowest Avg Temperatures (F): 15 to 20

Hydroponic Garden Grow Kit

Fiskars Garden Harvest Basket

Raised Garden Bed Kit

Metal Arbor Trellis

Self Watering Plant Pots
Map of the Tri-City Area
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Hydroponic Garden Grow Kit

Deluxe Plastic Watering Can

Brass Decorative Faucet Handle

Seed Starting Trays

Reusable Grow Bags
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.

Wooden Chicken Coop

Small Greenhouse Kit

Stainless Steel Garden Tool Set

Metal Arbor Trellis

Raised Garden Bed Kit
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