What Growing Zone Is Imperial Beach?

Our records indicate the United States Department of Agriculture has given Imperial Beach a growing zone designation of 10b. Sometimes also called the planting or hardiness zone, this zone number gives you an idea of what plants can and cannot grow in Imperial Beach's climate based on the average extreme annual temperature.Our data is based on the latest 2023 USDA maps, which used Imperial Beach's weather data from 1991 - 2020 in their analysis.

map of growing zone 10b (Northern California)map of growing zone 10bLatest CA growing zone map

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

Large Greenhouse Kit

Large Greenhouse Kit

Spacious greenhouse for extending your growing season.
Hydroponic Garden Grow Kit

Hydroponic Garden Grow Kit

Grow fresh herbs and vegetables year-round with this indoor hydroponic garden system.
Deluxe Plastic Watering Can

Deluxe Plastic Watering Can

High-capacity watering can with comfortable grip and precise spout.
Self Watering Plant Pots

Self Watering Plant Pots

Innovative pots that maintain optimal moisture levels.
Metal Arbor Trellis

Metal Arbor Trellis

Decorative arbor trellis for climbing plants and garden entrance.
map of growing zone 10b (Northern California)map of growing zone 10bLatest 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 Imperial Beach is in growing zone 10b this means that plants there can survive temperatures as low as 35 to 40 degrees Fahrenheit. Plants for Imperial Beach'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 Imperial Beach 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 Imperial Beach, CA.

The USDA hardiness zone is 10b for Imperial Beach. This is sometimes also referred to as the growing or planting zone. These terms are used interchangeably.

Imperial Beach's Growing Zone Details

USDA Growing Zone: 10b

Zip Codes: 91932, 91933

Longitude: -117.118

Latitude: 32.5693

Lowest Avg Temperatures (F): 35 to 40

Steel Hori Hori Weeding Knife

Steel Hori Hori Weeding Knife

Versatile Japanese-style gardening knife for weeding and planting.
Seed Starting Trays

Seed Starting Trays

Perfect for starting seeds indoors before transplanting to your garden.
Raised Garden Planter

Raised Garden Planter

Elevated planter for easy access and better drainage.
Stainless Steel Garden Tool Set

Stainless Steel Garden Tool Set

Complete garden tool set with heavy-duty stainless steel tools for all your gardening needs.
Worm Composting Kit

Worm Composting Kit

Complete kit for starting your own worm composting system.

Map of the Imperial Beach Area

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Cluck Around Sign

Cluck Around Sign

Whimsical sign for your chicken coop area.
Large Greenhouse Kit

Large Greenhouse Kit

Spacious greenhouse for extending your growing season.
Metal Seed Storage Box

Metal Seed Storage Box

Organized storage solution for your seed collection.
Deluxe Plastic Watering Can

Deluxe Plastic Watering Can

High-capacity watering can with comfortable grip and precise spout.
Self Watering Plant Pots

Self Watering Plant Pots

Innovative pots that maintain optimal moisture levels.

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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Small Greenhouse Kit

Small Greenhouse Kit

Compact greenhouse perfect for small spaces.
Reusable Grow Bags

Reusable Grow Bags

Breathable fabric grow bags that promote healthy root growth for your vegetables and fruits.
Steel Hori Hori Weeding Knife

Steel Hori Hori Weeding Knife

Versatile Japanese-style gardening knife for weeding and planting.
Deluxe Plastic Watering Can

Deluxe Plastic Watering Can

High-capacity watering can with comfortable grip and precise spout.
Brass Watering Can

Brass Watering Can

Elegant brass watering can with classic design and durability.

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