When to Plant Shishito Pepper in California, Pennsylvania (15419)

Location

California, Pennsylvania

ZIP Code

15419

USDA Zone

Last Frost

Wednesday, April 15, 2026

📅 Planting Calendar

Start Seeds Indoors Wednesday, February 4, 2026

Transplant Outdoors Wednesday, April 29, 2026

Pro Tip: Start Shishito Pepper seeds indoors 10 weeks before your last frost date, then transplant outdoors around Wednesday, April 29, 2026.

🌿 Plant Details

Scientific Name Capsicum annuum

Days to Maturity 60 days

Mature Height 18-24"

Spread 18"

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

18" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 7-14 days

Ready to Plant Shishito Pepper in California?

Get your seeds now so they're ready by Wednesday, February 4, 2026.

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🤝 Good Companions

BasilCarrotTomatoMarigold

⚠️ Avoid Planting Near

FennelBrassicas

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Growing Shishito Pepper in Zone 6b

Shishito Pepper (Capsicum annuum) is a popular garden vegetable. In California, Pennsylvania, which is in USDA Hardiness Zone 6b, you should start seeds indoors around Wednesday, February 4, 2026.

Your average last frost date is Wednesday, April 15, 2026. Plan to transplant your Shishito Pepper seedlings outdoors around Wednesday, April 29, 2026, about 2 weeks after your last frost date.