What Can Grow in San Francisco, CA

San Francisco's cool foggy summers are actually ideal for cool-season crops year-round rather than warm crops.

San Francisco, CA is in USDA Hardiness Zone 10b. The growing season lasts about 300 days, with last frost around January 15 and first fall frost around December 10. Top crops include broccoli, kale, lettuce.

10bUSDA Zone
300 daysFrost-Free
January 15Last Frost
December 10First Frost
🌱 What Grows in San Francisco
broccolikalelettucecarrotspeasartichokes
💡 Planting Tips

Fog limits heat crops — focus on cool-season vegetables. Tomatoes need warmest spots and varieties.

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

Frequently Asked Questions

San Francisco, CA is in USDA Plant Hardiness Zone 10b. San Francisco's cool foggy summers are actually ideal for cool-season crops year-round rather than warm crops.

The average last spring frost in San Francisco is around January 15. The first fall frost typically arrives around December 10, giving a frost-free growing season of approximately 300 days.

San Francisco's Zone 10b climate supports growing broccoli, kale, lettuce, carrots, peas, artichokes. Fog limits heat crops — focus on cool-season vegetables. Tomatoes need warmest spots and varieties.

In San Francisco, start with cool-season crops like lettuce, spinach, and broccoli a few weeks before the last frost date of January 15. Warm-season crops like tomatoes and peppers should go in after all frost risk has passed.