When to Plant Serrano Pepper in Clear Lake, Wisconsin (54005)

Location

Clear Lake, Wisconsin

ZIP Code

54005

USDA Zone

Last Frost

Tuesday, May 5, 2026

📅 Planting Calendar

Start Seeds Indoors Tuesday, February 24, 2026

Transplant Outdoors Tuesday, May 19, 2026

Pro Tip: Start Serrano Pepper seeds indoors 10 weeks before your last frost date, then transplant outdoors around Tuesday, May 19, 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 Clear Lake?

Get your seeds now so they're ready by Tuesday, February 24, 2026.

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🤝 Good Companions

BasilCarrotTomato

⚠️ Avoid Planting Near

Fennel

Other Plants for Clear Lake

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Growing Serrano Pepper in Zone 4b

Serrano Pepper (Capsicum annuum) is a popular garden vegetable. In Clear Lake, Wisconsin, which is in USDA Hardiness Zone 4b, you should start seeds indoors around Tuesday, February 24, 2026.

Your average last frost date is Tuesday, May 5, 2026. Plan to transplant your Serrano Pepper seedlings outdoors around Tuesday, May 19, 2026, about 2 weeks after your last frost date.