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When to Plant Marigold in Rancho Palos Verdes, California (90275)

Location

Rancho Palos Verdes, California

ZIP Code

90275

USDA Zone

10b

Last Frost

Thursday, January 15, 2026

📅 Planting Calendar

Start Seeds Indoors Thursday, December 4, 2025
Transplant Outdoors Thursday, January 29, 2026

Pro Tip: Start Marigold seeds indoors 6 weeks before your last frost date, then transplant outdoors around Thursday, January 29, 2026.

🌿 Plant Details

Scientific Name Tagetes patula
Days to Maturity 50 days
Mature Height 6-24"
Spread 12"
Type Annual

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Moderate (1 inch/week)

↔️

Spacing

12" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 5-10 days

Ready to Plant Marigold in Rancho Palos Verdes?

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

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🤝 Good Companions

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Growing Marigold in Zone 10b

Marigold (Tagetes patula) is a popular garden vegetable. In Rancho Palos Verdes, California, which is in USDA Hardiness Zone 10b, you should start seeds indoors around Thursday, December 4, 2025.

Your average last frost date is Thursday, January 15, 2026. Plan to transplant your Marigold seedlings outdoors around Thursday, January 29, 2026, about 2 weeks after your last frost date.