Local Growing Guide
Grow Cauliflower in San Diego, CA
Your local guide to growing cauliflower in San Diego — zone-specific timing, local tips, and care advice.
Fall-Spring
📍 San Diego
🌡️ Zone 10a
Days to Harvest
55–85
Spacing
18–24"
Method
Transplant
Season
Fall-Spring
When to Plant Cauliflower in San Diego
San Diego sits in USDA Zone 10a. Here are your local planting windows.
Start Indoors
Jul 25 – Aug 25
Transplant Outdoors
Sept 1 – Oct 31
Growing Cauliflower in San Diego
📋 Key Timing
Pickier than broccoli. Needs consistent cool temps — delay if October heat spike forecast.
Start your cauliflower seeds indoors during Jul 25 – Aug 25. Move seedlings to the garden between Sept 1 – Oct 31.
Watch for These Pests in San Diego
Frequently Asked Questions
Can I grow Cauliflower in San Diego?
Yes! Cauliflower grows well in San Diego's Zone 10a climate. Pickier than broccoli. Needs consistent cool temps — delay if October heat spike forecast.
When to plant Cauliflower in San Diego?
Transplant cauliflower outdoors between Sept 1 – Oct 31 for best results in San Diego.
Does Cauliflower need shade in San Diego?
Cauliflower generally handles San Diego's climate well without shade cloth, though afternoon shade can help during heat waves.
More Growing Guides
Full Cauliflower growing guide · Zone 10 planting dates · All plants for San Diego