When to Plant Leek in Berkeley, California (94708)

Location

Berkeley, California

ZIP Code

94708

USDA Zone

10a

Last Frost

Sunday, January 25, 2026

📅 Planting Calendar

Start Seeds Indoors Sunday, November 16, 2025

Transplant Outdoors Sunday, February 8, 2026

Pro Tip: Start Leek seeds indoors 10 weeks before your last frost date, then transplant outdoors around Sunday, February 8, 2026.

🌿 Plant Details

Scientific Name Allium ampeloprasum

Days to Maturity 120 days

☀️ Growing Requirements

☀️

Sun

Full Sun

💧

Water

Regular

Seeds typically germinate in 1-7 days

Ready to Plant Leek in Berkeley?

Get your seeds now so they're ready by Sunday, November 16, 2025.

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🤝 Good Companions

CeleryAppleCarrot

⚠️ Avoid Planting Near

Swiss Chard

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Growing Leek in Zone 10a

Leek (Allium ampeloprasum) is a popular garden vegetable. In Berkeley, California, which is in USDA Hardiness Zone 10a, you should start seeds indoors around Sunday, November 16, 2025.

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