What Growing Zone Is 90405?

Our records indicate the United States Department of Agriculture has given zip code 90405 a growing zone designation of 11a. Sometimes also called the planting or hardiness zone, this zone number gives you an idea of what plants can and cannot grow in zip code 90405's climate based on the average extreme annual temperature.Our data is based on the latest 2023 USDA maps, which used weather data from 1991 - 2020 in their analysis.

map of growing zone 11a (Northern California)map of growing zone 11aLatest California growing zone map

If you are looking for plants suitable for growing in zip code 90405, head on over to our page on plants that grow well in Santa Monica, California.

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map of growing zone 11a (Northern California)map of growing zone 11aLatest California 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 zip code 90405 is in growing zone 11a this means that plants there can survive temperatures as low as 40 to 45 degrees Fahrenheit. Plants for zip code 90405'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.

Some zones may have been changed by the USDA as of 2023. To see if zip code 90405 has been affected, refer to this map of half zone changes from the 2012 version of the USDA zones to the 2023 version.

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 for zip code 90405.

The USDA hardiness zone is 11a for zip code 90405. This is sometimes also referred to as the growing or planting zone. These terms are used interchangeably.

90405's Growing Zone Details

USDA Growing Zone: 11a

Zip Codes:
90405

Longitude: -118.4679

Latitude: 34.01208

Lowest Avg Temperatures (F): 40 to 45

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Versatile Japanese-style gardening knife for weeding and planting.
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Map of the 90405 Area

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Raised Garden Bed Kit

Raised Garden Bed Kit

Easy-to-assemble raised garden bed for better soil control and drainage.
Steel Hori Hori Weeding Knife

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Versatile Japanese-style gardening knife for weeding and planting.
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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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Large Greenhouse Kit

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Steel Hori Hori Weeding Knife

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Versatile Japanese-style gardening knife for weeding and planting.
Unisex Summer Straw Hat

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The wide brim on this premium unisex straw hat offers the best protection from the sun.
Bronze Girl on Tree Statue

Bronze Girl on Tree Statue

A graceful bronze art piece that brings a regal presence to your garden.
Cluck Around Sign

Cluck Around Sign

Whimsical sign for your chicken coop area.

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