When to Plant Shallot in Arroyo Grande, California (93421)

Location

Arroyo Grande, California

ZIP Code

93421

USDA Zone

Last Frost

Tuesday, February 10, 2026

📅 Planting Calendar

Start Seeds Indoors Tuesday, December 16, 2025

Transplant Outdoors Tuesday, February 24, 2026

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

Get your seeds now so they're ready by Tuesday, December 16, 2025.

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Growing Shallot in Zone 9b

Shallot (Allium cepa var. aggregatum) is a popular garden vegetable. In Arroyo Grande, California, 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.