When to Plant Shallot in Columbia, California (95310)

Location

Columbia, California

ZIP Code

95310

USDA Zone

Last Frost

Friday, February 20, 2026

📅 Planting Calendar

Start Seeds Indoors Friday, December 26, 2025

Transplant Outdoors Friday, March 6, 2026

Pro Tip: Start Shallot seeds indoors 8 weeks before your last frost date, then transplant outdoors around Friday, March 6, 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 Columbia?

Get your seeds now so they're ready by Friday, December 26, 2025.

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Growing Shallot in Zone 9a

Shallot (Allium cepa var. aggregatum) is a popular garden vegetable. In Columbia, California, which is in USDA Hardiness Zone 9a, you should start seeds indoors around Friday, December 26, 2025.

Your average last frost date is Friday, February 20, 2026. Plan to transplant your Shallot seedlings outdoors around Friday, March 6, 2026, about 2 weeks after your last frost date.