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When to Plant Radish in Oakland, California (94607)

Location

Oakland, California

ZIP Code

94607

USDA Zone

10b

Last Frost

Thursday, January 15, 2026

📅 Planting Calendar

Direct Sow Outdoors Thursday, December 4, 2025

Pro Tip: Sow Radish directly outdoors 6 weeks before your last frost date.

🌿 Plant Details

Scientific Name Rhaphanus sativus
Days to Maturity 25 days
Mature Height 6-12"
Spread 3"
Type Root
Fruit Size Small (1-2 inches)

☀️ Growing Requirements

☀️

Sun

Full Sun to Partial Shade

💧

Water

Regular (keep moist)

↔️

Spacing

2" apart

🌱

Planting Depth

0.5" deep

Seeds typically germinate in 3-7 days

Ready to Plant Radish in Oakland?

Get your seeds now so they're ready by Thursday, December 4, 2025.

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🤝 Good Companions

CarrotLettucePeaCucumberSpinach

⚠️ Avoid Planting Near

Hyssop

Other Plants for Oakland

Growing Radish in Zone 10b

Radish (Rhaphanus sativus) is a popular garden vegetable. In Oakland, California, which is in USDA Hardiness Zone 10b, you should direct sow seeds around Thursday, December 4, 2025.

Your average last frost date is Thursday, January 15, 2026. Radish grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.