When to Plant Poblano Pepper in Eagle River, Wisconsin (54521)

Location

Eagle River, Wisconsin

ZIP Code

54521

USDA Zone

Last Frost

Tuesday, May 5, 2026

📅 Your 2026 Planting Dates

Start Seeds Indoors

Tuesday, February 24, 2026

Transplant Outdoors

Tuesday, May 19, 2026

Based on last frost Tuesday, May 5, 2026 · Zone 4b

Pro tip: Start Poblano Pepper seeds indoors 10 weeks before your last frost date, then transplant outdoors around Tuesday, May 19, 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 Medium (3-4 inches)

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1 inch/week)

↔️

Spacing

18" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 8-14 days

Ready to Plant Poblano Pepper in Eagle River?

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

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🤝 Good Companions

BasilCarrotTomatoOnion

⚠️ Avoid Planting Near

Fennel

🤝

Full Companion Planting Guide for Poblano Pepper

See which plants help Poblano 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

Let peppers ripen fully to red (or dark red) on the plant.

Processing

Remove seeds from ripe pepper, dry flat for 1–2 weeks before storing.

Seed Viability

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

Pro Tip

Poblano (C. annuum) crosses with jalapeño, bell pepper, and cayenne. Grow one variety at a time or isolate.

🪴

Raised Bed Planting Guides

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

Frequently Asked Questions

When should I plant Poblano Pepper in Eagle River, Wisconsin? +

In Eagle River (Zone 4b), start Poblano Pepper seeds indoors around Tuesday, February 24, 2026 and transplant outdoors around Tuesday, May 19, 2026.

What is the last frost date for Eagle River, Wisconsin? +

The average last spring frost date for Eagle River, Wisconsin (ZIP 54521) is around Tuesday, May 5, 2026. This is based on NOAA climate normals for USDA Zone 4b.

How long does Poblano Pepper take to grow? +

Poblano Pepper typically matures in about 80 days from transplanting. In Eagle River, that means you can expect harvest around Tuesday, May 19, 2026 plus 80 days.

Should I start Poblano Pepper indoors or direct sow in Wisconsin? +

Poblano Pepper should be started indoors 10 weeks before your last frost date. In Eagle River, that means starting around Tuesday, February 24, 2026.

📚 More Poblano Pepper Planting Guides

🗺️

Poblano Pepper in Wisconsin

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 4b Poblano Pepper Guide

All cities in your zone · Avg dates

→

Other Plants for Eagle River

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Growing Poblano Pepper in Zone 4b

Poblano Pepper (Capsicum annuum) is a popular garden vegetable. In Eagle River, 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 Poblano Pepper seedlings outdoors around Tuesday, May 19, 2026, about 2 weeks after your last frost date.