🌱 MyLocalPlanting

When to Plant Potato in San Juan Bautista, California (95045)

Location

San Juan Bautista, California

ZIP Code

95045

USDA Zone

9b

Last Frost

Wednesday, February 10, 2027

📅 Planting Calendar

Start Seeds Indoors Wednesday, December 16, 2026
Transplant Outdoors Wednesday, February 24, 2027

Pro Tip: Start Potato seeds indoors 8 weeks before your last frost date for best results.

🌿 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

🤝 Good Companions

BeanCornBrassicasHorseradishMarigold

⚠️ Avoid Planting Near

TomatoCucumberSquashSunflower

Other Plants for San Juan Bautista

Growing Potato in Zone 9b

Potato (Solanum tuberosum) is a popular garden vegetable. In San Juan Bautista, California, which is in USDA Hardiness Zone 9b, you should start seeds indoors around Wednesday, December 16, 2026.

Your average last frost date is Wednesday, February 10, 2027. Plan to transplant your Potato seedlings outdoors around Wednesday, February 24, 2027, about 2 weeks after your last frost date.