What Plants Grow Well In 92603?
The USDA hardiness zone is 10b in the 92603 zip code. This zone is a measure of the lowest temperature that a plant can survive, and helps determine what plants would grow best in the area's climate. Below you'll find a list of the best plants for 92603's climate based on this hardiness zone.
Learn more hardiness zones on our page for Irvine's growing zone.

Raised Garden Bed Kit

Deluxe Plastic Watering Can

Large Greenhouse Kit

Fiskars Garden Harvest Basket

Reusable Grow Bags
Trees for 92603
Fruits for 92603
Flowers for 92603
Vegetables for 92603


Planting Advice for 92603
Have questions about planting in 92603's climate? Check out our FAQ below for answers to common questions about growing plants in the area.
Zip code 92603 is in USDA hardiness zone 10b, which means plants there can survive temperatures as low as 35 to 40°F each year.
Best Time to Plant in Irvine
Check the growing calendar for Irvine at the Old Farmer's Almanac to see the best planting times for the region.

Hoeing Ain't Easy Garden Sign

Metal Seed Storage Box

Brass Decorative Faucet Handle

Worm Composting Kit

Wooden Chicken Coop
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Other Towns in California
We have plant recommendations for most towns in California. Select a town from the list below to find the best plants for your area based on the latest climate information.
Best Plants By State
California not the right state? We have plant recommendations for every state, town and zip code in the United States. Choose a state from the list below to find the best plants for your area.
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