When to Plant Shallot in Riverside, California (92513)

Location

Riverside, California

ZIP Code

92513

USDA Zone

10a

Last Frost

Sunday, January 25, 2026

📅 Your 2026 Planting Dates

Start Seeds Indoors

Sunday, November 30, 2025

Transplant Outdoors

Sunday, February 8, 2026

Based on last frost Sunday, January 25, 2026 · Zone 10a

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

🌿 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 Riverside?

Get your seeds now so they're ready by Sunday, November 30, 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 Riverside, California? +

In Riverside (Zone 10a), start Shallot seeds indoors around Sunday, November 30, 2025 and transplant outdoors around Sunday, February 8, 2026.

What is the last frost date for Riverside, California? +

The average last spring frost date for Riverside, California (ZIP 92513) is around Sunday, January 25, 2026. This is based on NOAA climate normals for USDA Zone 10a.

How long does Shallot take to grow? +

Shallot typically matures in about 90 days from transplanting. In Riverside, that means you can expect harvest around Sunday, February 8, 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 Riverside, that means starting around Sunday, November 30, 2025.

📚 More Shallot Planting Guides

🗺️

Shallot in California

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 10a Shallot Guide

All cities in your zone · Avg dates

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Growing Shallot in Zone 10a

Shallot (Allium cepa var. aggregatum) is a popular garden vegetable. In Riverside, California, which is in USDA Hardiness Zone 10a, you should start seeds indoors around Sunday, November 30, 2025.

Your average last frost date is Sunday, January 25, 2026. Plan to transplant your Shallot seedlings outdoors around Sunday, February 8, 2026, about 2 weeks after your last frost date.