When to Plant Basil in South San Francisco, California (94080)

Location

South San Francisco, California

ZIP Code

94080

USDA Zone

10a

Last Frost

Sunday, January 25, 2026

📅 Planting Calendar

Start Seeds Indoors Sunday, November 30, 2025

Transplant Outdoors Sunday, February 8, 2026

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

🌿 Plant Details

Scientific Name Ocimum basilicum

Days to Maturity 60 days

Mature Height 12-24"

Spread 12"

Type Bush

Fruit Size N/A

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (keep moist)

↔️

Spacing

12" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 5-10 days

Ready to Plant Basil in South San Francisco?

Get your seeds now so they're ready by Sunday, November 30, 2025.

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🤝 Good Companions

TomatoPepperOreganoAsparagus

⚠️ Avoid Planting Near

RueSage

Other Plants for South San Francisco

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Growing Basil in Zone 10a

Basil (Ocimum basilicum) is a popular garden vegetable. In South San Francisco, California, which is in USDA Hardiness Zone 10a, you should start seeds indoors around Sunday, November 30, 2025.

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