When to Plant Brussels Sprout in San Jose, California (95113)

Location

San Jose, California

ZIP Code

95113

USDA Zone

Last Frost

Tuesday, February 10, 2026

📅 Planting Calendar

Start Seeds Indoors Tuesday, November 18, 2025

Transplant Outdoors Tuesday, February 10, 2026

Pro Tip: Start Brussels Sprout seeds indoors 12 weeks before your last frost date, then transplant outdoors around Tuesday, February 10, 2026.

🌿 Plant Details

Scientific Name Brassica oleracea var. gemmifera

Days to Maturity 84 days

☀️ Growing Requirements

☀️

Sun

Full Sun

💧

Water

Regular

Seeds typically germinate in 1-7 days

Ready to Plant Brussels Sprout in San Jose?

Get your seeds now so they're ready by Tuesday, November 18, 2025.

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Growing Brussels Sprout in Zone 9b

Brussels Sprout (Brassica oleracea var. gemmifera) is a popular garden vegetable. In San Jose, California, which is in USDA Hardiness Zone 9b, you should start seeds indoors around Tuesday, November 18, 2025.

Your average last frost date is Tuesday, February 10, 2026. Plan to transplant your Brussels Sprout seedlings outdoors around Tuesday, February 10, 2026, about 0 weeks after your last frost date.