When to Plant Serrano Pepper in Green Bay, Wisconsin (54313)

Location

Green Bay, Wisconsin

ZIP Code

54313

USDA Zone

Last Frost

Saturday, April 25, 2026

📅 Planting Calendar

Start Seeds Indoors Saturday, February 14, 2026

Transplant Outdoors Saturday, May 9, 2026

Pro Tip: Start Serrano Pepper seeds indoors 10 weeks before your last frost date, then transplant outdoors around Saturday, May 9, 2026.

🌿 Plant Details

Scientific Name Capsicum annuum

Days to Maturity 80 days

Mature Height 24-36"

Spread 18"

Type Bush

Fruit Size Small (1-2 inches)

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Moderate

↔️

Spacing

18" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 7-14 days

Ready to Plant Serrano Pepper in Green Bay?

Get your seeds now so they're ready by Saturday, February 14, 2026.

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🤝 Good Companions

BasilCarrotTomato

⚠️ Avoid Planting Near

Fennel

Other Plants for Green Bay

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Growing Serrano Pepper in Zone 5b

Serrano Pepper (Capsicum annuum) is a popular garden vegetable. In Green Bay, Wisconsin, which is in USDA Hardiness Zone 5b, you should start seeds indoors around Saturday, February 14, 2026.

Your average last frost date is Saturday, April 25, 2026. Plan to transplant your Serrano Pepper seedlings outdoors around Saturday, May 9, 2026, about 2 weeks after your last frost date.