What Growing Zone Is American Canyon?

Our records indicate the United States Department of Agriculture has given American Canyon a growing zone designation of 9b. Sometimes also called the planting or hardiness zone, this zone number gives you an idea of what plants can and cannot grow in American Canyon's climate based on the average extreme annual temperature.Our data is based on the latest 2023 USDA maps, which used American Canyon's weather data from 1991 - 2020 in their analysis.

map of growing zone 9b (Northern California)map of growing zone 9bLatest CA growing zone map

If you are looking for plants suitable for growing in the American Canyon area, head on over to our page on plants that grow well in American Canyon, CA.

Steel Hori Hori Weeding Knife

Steel Hori Hori Weeding Knife

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Small Greenhouse Kit

Compact greenhouse perfect for small spaces.
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Metal Arbor Trellis

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Hydroponic Garden Grow Kit

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map of growing zone 9b (Northern California)map of growing zone 9bLatest CA growing zone map

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 American Canyon is in growing zone 9b this means that plants there can survive temperatures as low as 25 to 30 degrees Fahrenheit. Plants for American Canyon'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 map of the United States

Some zones may have been changed by the USDA as of 2023. To see if the American Canyon area has been affected, refer to this map of half zone changes from the 2012 version of the USDA zones to the 2023 version.

map of usda hardiness zone changes from 2012 to 2023Half zone changes from 2012 to 2023

The 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!

Hardiness Zone FAQ

Have questions about hardiness zones and what they mean for your garden? Check out our FAQ below for quick answers to common questions about USDA hardiness zones and how they affect plant selection in American Canyon, CA.

The USDA hardiness zone is 9b for American Canyon. This is sometimes also referred to as the growing or planting zone. These terms are used interchangeably.

American Canyon's Growing Zone Details

USDA Growing Zone: 9b

Zip Codes: 94503

Longitude: -122.2583

Latitude: 38.1796

Lowest Avg Temperatures (F): 25 to 30

Metal Seed Storage Box

Metal Seed Storage Box

Organized storage solution for your seed collection.
Metal Arbor Trellis

Metal Arbor Trellis

Decorative arbor trellis for climbing plants and garden entrance.
Steel Hori Hori Weeding Knife

Steel Hori Hori Weeding Knife

Versatile Japanese-style gardening knife for weeding and planting.
Rustic Iron Garden Trellis

Rustic Iron Garden Trellis

Sturdy trellis for supporting climbing plants and vines.
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Complete kit for starting your own worm composting system.

Map of the American Canyon Area

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Metal Seed Storage Box

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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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Steel Hori Hori Weeding Knife

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Versatile Japanese-style gardening knife for weeding and planting.
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Elevated planter for easy access and better drainage.
Hoeing Ain't Easy Garden Sign

Hoeing Ain't Easy Garden Sign

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Brass Decorative Faucet Handle

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Elegant brass handle to enhance your garden faucet.
Metal Arbor Trellis

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Decorative arbor trellis for climbing plants and garden entrance.

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