When to Plant Shallot in Tucson, Arizona (85721)

Location

Tucson, Arizona

ZIP Code

85721

USDA Zone

Last Frost

Tuesday, February 10, 2026

📅 Your 2026 Planting Dates

Start Seeds Indoors

Tuesday, December 16, 2025

Transplant Outdoors

Tuesday, February 24, 2026

Based on last frost Tuesday, February 10, 2026 · Zone 9b

Pro tip: Start Shallot seeds indoors 8 weeks before your last frost date, then transplant outdoors around Tuesday, February 24, 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 Tucson?

Get your seeds now so they're ready by Tuesday, December 16, 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 Tucson, Arizona? +

In Tucson (Zone 9b), start Shallot seeds indoors around Tuesday, December 16, 2025 and transplant outdoors around Tuesday, February 24, 2026.

What is the last frost date for Tucson, Arizona? +

The average last spring frost date for Tucson, Arizona (ZIP 85721) is around Tuesday, February 10, 2026. This is based on NOAA climate normals for USDA Zone 9b.

How long does Shallot take to grow? +

Shallot typically matures in about 90 days from transplanting. In Tucson, that means you can expect harvest around Tuesday, February 24, 2026 plus 90 days.

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

Shallot should be started indoors 8 weeks before your last frost date. In Tucson, that means starting around Tuesday, December 16, 2025.

📚 More Shallot Planting Guides

🗺️

Shallot in Arizona

Zone-by-zone breakdown · Full state guide

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Zone 9b Shallot Guide

All cities in your zone · Avg dates

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Growing Shallot in Zone 9b

Shallot (Allium cepa var. aggregatum) is a popular garden vegetable. In Tucson, Arizona, which is in USDA Hardiness Zone 9b, you should start seeds indoors around Tuesday, December 16, 2025.

Your average last frost date is Tuesday, February 10, 2026. Plan to transplant your Shallot seedlings outdoors around Tuesday, February 24, 2026, about 2 weeks after your last frost date.