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When to Plant Radish in Cardiff By The Sea, California (92007)

Location

Cardiff By The Sea, California

ZIP Code

92007

USDA Zone

10b

Last Frost

Friday, January 15, 2027

📅 Planting Calendar

Direct Sow Outdoors Friday, December 4, 2026

Pro Tip: Radish can be directly sown outdoors. Plant 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

🤝 Good Companions

CarrotLettucePeaCucumberSpinach

⚠️ Avoid Planting Near

Hyssop

Other Plants for Cardiff By The Sea

Growing Radish in Zone 10b

Radish (Rhaphanus sativus) is a popular garden vegetable. In Cardiff By The Sea, California, which is in USDA Hardiness Zone 10b, you should direct sow seeds around Friday, December 4, 2026.

Your average last frost date is Friday, January 15, 2027. Radish grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.