What Can Grow in San Diego, CA

San Diego's Mediterranean climate is among the best for year-round vegetable production in the continental US.

San Diego, CA is in USDA Hardiness Zone 10b. The growing season lasts about 320 days, with last frost around None (frost-free) and first fall frost around None (frost-free). Top crops include tomatoes, peppers, citrus.

10bUSDA Zone
320 daysFrost-Free
None (frost-free)Last Frost
None (frost-free)First Frost
🌱 What Grows in San Diego
tomatoespepperscitrusavocadosstrawberrieskale
💡 Planting Tips

Year-round growing. Minimal frost risk. Plant cool crops in fall; warm crops Feb-April.

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🔗 More Resources
📍 Full Zone 10b Guide 🌎 California Planting Guide

Frequently Asked Questions

San Diego, CA is in USDA Plant Hardiness Zone 10b. San Diego's Mediterranean climate is among the best for year-round vegetable production in the continental US.

The average last spring frost in San Diego is around None (frost-free). The first fall frost typically arrives around None (frost-free), giving a frost-free growing season of approximately 320 days.

San Diego's Zone 10b climate supports growing tomatoes, peppers, citrus, avocados, strawberries, kale. Year-round growing. Minimal frost risk. Plant cool crops in fall; warm crops Feb-April.

In San Diego, start with cool-season crops like lettuce, spinach, and broccoli a few weeks before the last frost date of None (frost-free). Warm-season crops like tomatoes and peppers should go in after all frost risk has passed.