When to Plant Shallot in San Diego, California (92113)

Location

San Diego, California

ZIP Code

92113

USDA Zone

10b

Last Frost

Thursday, January 15, 2026

📅 Your 2026 Planting Dates

Start Seeds Indoors

Thursday, November 20, 2025

Transplant Outdoors

Thursday, January 29, 2026

Based on last frost Thursday, January 15, 2026 · Zone 10b

Pro tip: Start Shallot seeds indoors 8 weeks before your last frost date, then transplant outdoors around Thursday, January 29, 2026.

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🌿 Plant Details

Scientific Name Allium cepa var. aggregatum

Days to Maturity 90 days

☀️ Growing Requirements

☀️

Sun

Full Sun

💧

Water

Regular

Seeds typically germinate in 8-21 days

Ready to Plant Shallot in San Diego?

Get your seeds now so they're ready by Thursday, November 20, 2025.

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🛠️ Supplies You'll Need

🌱 Seed Starting Trays 🪴 Seed Starting Mix 💡 Grow Lights 🌡️ Heat Mat 🪵 Raised Garden Bed 🌍 Vegetable Garden Soil 🛠️ Hand Trowel Set 🚿 Watering Can

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🌾 Seed Saving Guide

🪴 Vegetative propagation

Propagate vegetatively, not by seed

Shallots are typically propagated by dividing and replanting bulb offsets, not from seed.

Set aside small bulbs from the harvest to replant in fall or early spring for next year's crop.

Frequently Asked Questions

When should I plant Shallot in San Diego, California? +

In San Diego (Zone 10b), start Shallot seeds indoors around Thursday, November 20, 2025 and transplant outdoors around Thursday, January 29, 2026.

What is the last frost date for San Diego, California? +

The average last spring frost date for San Diego, California (ZIP 92113) is around Thursday, January 15, 2026. This is based on NOAA climate normals for USDA Zone 10b.

How long does Shallot take to grow? +

Shallot typically matures in about 90 days from transplanting. In San Diego, that means you can expect harvest around Thursday, January 29, 2026 plus 90 days.

Should I start Shallot indoors or direct sow in California? +

Shallot should be started indoors 8 weeks before your last frost date. In San Diego, that means starting around Thursday, November 20, 2025.

📚 More Shallot Planting Guides

🗺️

Shallot in California

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 10b Shallot Guide

All cities in your zone · Avg dates

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Growing Shallot in Zone 10b

Shallot (Allium cepa var. aggregatum) is a popular garden vegetable. In San Diego, California, which is in USDA Hardiness Zone 10b, you should start seeds indoors around Thursday, November 20, 2025.

Your average last frost date is Thursday, January 15, 2026. Plan to transplant your Shallot seedlings outdoors around Thursday, January 29, 2026, about 2 weeks after your last frost date.