When to Plant Potato in Los Angeles, California (90021)

Location

Los Angeles, California

ZIP Code

90021

USDA Zone

10b

Last Frost

Thursday, January 15, 2026

📅 Planting Calendar

Direct Sow Outdoors Thursday, December 18, 2025

Pro Tip: Sow Potato directly outdoors 4 weeks before your last frost date.

🌿 Plant Details

Scientific Name Solanum tuberosum

Days to Maturity 90 days

Mature Height 18-24"

Spread 12"

Type Tuber

Fruit Size Variable

☀️ Growing Requirements

☀️

Sun

Full Sun (6+ hours)

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

12" apart

🌱

Planting Depth

4" deep

Seeds typically germinate in 8-21 days

Ready to Plant Potato in Los Angeles?

Get your seeds now so they're ready by Thursday, December 18, 2025.

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🤝 Good Companions

BeanCornBrassicasHorseradishMarigold

⚠️ Avoid Planting Near

TomatoCucumberSquashSunflower

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Growing Potato in Zone 10b

Potato (Solanum tuberosum) is a popular garden vegetable. In Los Angeles, California, which is in USDA Hardiness Zone 10b, you should direct sow seeds around Thursday, December 18, 2025.

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