When to Plant Shallot in Portage, Utah (84331)

Location

Portage, Utah

ZIP Code

84331

USDA Zone

Last Frost

Monday, April 20, 2026

📅 Your 2026 Planting Dates

Start Seeds Indoors

Monday, February 23, 2026

Transplant Outdoors

Monday, May 4, 2026

Based on last frost Monday, April 20, 2026 · Zone 6a

Pro tip: Start Shallot seeds indoors 8 weeks before your last frost date, then transplant outdoors around Monday, May 4, 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 Portage?

Get your seeds now so they're ready by Monday, February 23, 2026.

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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 Portage, Utah? +

In Portage (Zone 6a), start Shallot seeds indoors around Monday, February 23, 2026 and transplant outdoors around Monday, May 4, 2026.

What is the last frost date for Portage, Utah? +

The average last spring frost date for Portage, Utah (ZIP 84331) is around Monday, April 20, 2026. This is based on NOAA climate normals for USDA Zone 6a.

How long does Shallot take to grow? +

Shallot typically matures in about 90 days from transplanting. In Portage, that means you can expect harvest around Monday, May 4, 2026 plus 90 days.

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

Shallot should be started indoors 8 weeks before your last frost date. In Portage, that means starting around Monday, February 23, 2026.

📚 More Shallot Planting Guides

🗺️

Shallot in Utah

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 6a Shallot Guide

All cities in your zone · Avg dates

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Growing Shallot in Zone 6a

Shallot (Allium cepa var. aggregatum) is a popular garden vegetable. In Portage, Utah, which is in USDA Hardiness Zone 6a, you should start seeds indoors around Monday, February 23, 2026.

Your average last frost date is Monday, April 20, 2026. Plan to transplant your Shallot seedlings outdoors around Monday, May 4, 2026, about 2 weeks after your last frost date.