What Grows in San Diego, CA?
San Diego's Mediterranean climate is among the best for year-round vegetable production in the continental US.
Zone
Last frost
First frost
Frost-free days
San Diego is in USDA Zone 10b with about 320 frost-free days, and you can grow tomatoes, peppers, citrus, avocados, and more here.
Planting tips for San Diego
Year-round growing. Minimal frost risk. Plant cool crops in fall; warm crops Feb-April.
What to plant, and when
Timing by your frost dates — last frost None (frost-free), first frost None (frost-free).
Tomato, Cherry Tomato, Bell Pepper, Chili Pepper, Cucumber, Zucchini, Eggplant, Pumpkin
Swiss Chard, Collard Greens, Mustard Greens
Green Beans, Potato, Sweet Potato, Corn, Microgreens, Rosemary, Oregano, Strawberry
What grows well in San Diego
Tomato
Grows well
Cherry Tomato
Grows well
Bell Pepper
Grows well
Chili Pepper
Grows well
Cucumber
Grows well
Zucchini
Grows well
Green Beans
Grows well
Potato
Grows well
Sweet Potato
Grows well
Corn
Grows well
Eggplant
Grows well
Swiss Chard
Grows well
Microgreens
Grows well
Pumpkin
Grows well
Basil
Grows well
Rosemary
Grows well
Oregano
Grows well
Strawberry
Grows well
Watermelon
Grows well
Fig
Grows well
Lemon Tree
Grows well
Avocado
Grows well
Mango
Grows well
Banana
Grows well
Olive
Grows well
Sunflower
Grows well
Collard Greens
Grows well
Mustard Greens
Grows well
Lemongrass
Grows well
Stevia
Grows wellFrequently asked questions
What hardiness zone is San Diego, CA in?
San Diego, CA is in USDA Hardiness Zone 10b. This drives everything about what you can reliably grow — it maps directly to how cold your winters get.
When is the last frost in San Diego?
The average last spring frost in San Diego is around None (frost-free), and the first fall frost is typically None (frost-free). Plan to move tender plants outside after None (frost-free) and have them harvested (or protected) before None (frost-free).
What grows well in San Diego?
Plenty — San Diego's USDA Zone 10b climate supports 30+ crops. Some of the easiest and most reliable here are Cherry Tomato, Chili Pepper, Cucumber.
How long is San Diego's growing season?
San Diego typically has around 320 frost-free days per year (roughly None (frost-free) to None (frost-free)). That's a full season — plenty of time for most annual vegetables plus a succession or fall crop of cool-season greens.
What should I plant first in San Diego?
Go with fast-maturing crops to get a quick win while the season is short: Microgreens, Basil, Mustard Greens are among the quickest from seed to harvest in San Diego.
Can I grow vegetables in containers in San Diego?
Yes — San Diego's climate is container-friendly for the right crops. Tomato, Cherry Tomato, Bell Pepper all do well in pots, which also lets you start them a little earlier and move them in on cold nights.
When should I start seeds indoors in San Diego?
For warm-season crops like Tomato, Cherry Tomato, Bell Pepper, start seeds indoors 6–8 weeks before your last frost (around None (frost-free)), then transplant after the danger of frost has passed.