When to Plant Serrano Pepper in Red Devil, Alaska (99656)

Location

Red Devil, Alaska

ZIP Code

99656

USDA Zone

Last Frost

Monday, May 25, 2026

📅 Your 2026 Planting Dates

Start Seeds Indoors

Monday, March 16, 2026

Transplant Outdoors

Monday, June 8, 2026

Based on last frost Monday, May 25, 2026 · Zone 3a

Pro tip: Start Serrano Pepper seeds indoors 10 weeks before your last frost date, then transplant outdoors around Monday, June 8, 2026.

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🌿 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 Red Devil?

Get your seeds now so they're ready by Monday, March 16, 2026.

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🤝 Good Companions

BasilCarrotTomato

⚠️ Avoid Planting Near

Fennel

🤝

Full Companion Planting Guide for Serrano Pepper

See which plants help Serrano Pepper thrive, which to keep away, and raised bed layout tips →

🛠️ Supplies You'll Need

🌱 Seed Starting Trays 🪴 Seed Starting Mix 💡 Grow Lights 🌡️ Heat Mat 🪵 Raised Garden Bed 🌍 Vegetable Garden Soil 🛠️ Hand Trowel Set 🚿 Watering Can

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🌾 Seed Saving Guide

🟡 Moderate

✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Allow peppers to fully ripen red on the plant.

Processing

Remove seeds carefully — serrano is quite hot. Dry flat for 1–2 weeks. Gloves recommended.

Seed Viability

Up to 2 years when stored cool, dark, and dry.

Pro Tip

C. annuum — crosses freely with other annuum peppers. Isolate by 300 feet for pure seed.

🪴

Raised Bed Planting Guides

A 4×8 bed fits 14 plants of Serrano Pepper. See plant counts, spacing grids, and companion pairings for every bed size →

Frequently Asked Questions

When should I plant Serrano Pepper in Red Devil, Alaska? +

In Red Devil (Zone 3a), start Serrano Pepper seeds indoors around Monday, March 16, 2026 and transplant outdoors around Monday, June 8, 2026.

What is the last frost date for Red Devil, Alaska? +

The average last spring frost date for Red Devil, Alaska (ZIP 99656) is around Monday, May 25, 2026. This is based on NOAA climate normals for USDA Zone 3a.

How long does Serrano Pepper take to grow? +

Serrano Pepper typically matures in about 80 days from transplanting. In Red Devil, that means you can expect harvest around Monday, June 8, 2026 plus 80 days.

Should I start Serrano Pepper indoors or direct sow in Alaska? +

Serrano Pepper should be started indoors 10 weeks before your last frost date. In Red Devil, that means starting around Monday, March 16, 2026.

📚 More Serrano Pepper Planting Guides

🗺️

Serrano Pepper in Alaska

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 3a Serrano Pepper Guide

All cities in your zone · Avg dates

→

Other Plants for Red Devil

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Growing Serrano Pepper in Zone 3a

Serrano Pepper (Capsicum annuum) is a popular garden vegetable. In Red Devil, Alaska, which is in USDA Hardiness Zone 3a, you should start seeds indoors around Monday, March 16, 2026.

Your average last frost date is Monday, May 25, 2026. Plan to transplant your Serrano Pepper seedlings outdoors around Monday, June 8, 2026, about 2 weeks after your last frost date.