When to Plant Tarragon 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, March 10, 2026

Transplant Outdoors

Tuesday, May 19, 2026

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

Pro tip: Start Tarragon seeds indoors 8 weeks before your last frost date, then transplant outdoors around Tuesday, May 19, 2026.

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🌿 Plant Details

Scientific Name Artemisia dracunculus

Days to Maturity 60 days

☀️ Growing Requirements

☀️

Sun

Full Sun

💧

Water

Regular

Seeds typically germinate in 7-14 days

Ready to Plant Tarragon in Eagle River?

Get your seeds now so they're ready by Tuesday, March 10, 2026.

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🤝 Good Companions

Eggplant

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Full Companion Planting Guide for Tarragon

See which plants help Tarragon 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

🪴 Vegetative propagation

Propagate vegetatively, not by seed

French tarragon is sterile and produces no viable seed. Propagate by root division or stem cuttings.

Russian tarragon produces seed but has inferior flavor — true culinary tarragon must be propagated vegetatively.

Frequently Asked Questions

When should I plant Tarragon in Eagle River, Wisconsin? +

In Eagle River (Zone 4b), start Tarragon seeds indoors around Tuesday, March 10, 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 Tarragon take to grow? +

Tarragon typically matures in about 60 days from transplanting. In Eagle River, that means you can expect harvest around Tuesday, May 19, 2026 plus 60 days.

Should I start Tarragon indoors or direct sow in Wisconsin? +

Tarragon should be started indoors 8 weeks before your last frost date. In Eagle River, that means starting around Tuesday, March 10, 2026.

📚 More Tarragon Planting Guides

🗺️

Tarragon in Wisconsin

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 4b Tarragon Guide

All cities in your zone · Avg dates

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Other Plants for Eagle River

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Growing Tarragon in Zone 4b

Tarragon (Artemisia dracunculus) is a popular garden vegetable. In Eagle River, Wisconsin, which is in USDA Hardiness Zone 4b, you should start seeds indoors around Tuesday, March 10, 2026.

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