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When to Plant Chervil in Eagle River, Wisconsin (54521)

Location

Eagle River, Wisconsin

ZIP Code

54521

USDA Zone

4b

Last Frost

Tuesday, May 5, 2026

📅 Your 2026 Planting Dates

Direct Sow Outdoors

Tuesday, April 7, 2026

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

Pro tip: Sow Chervil directly outdoors 4 weeks before your last frost date.

🌿 Plant Details

Scientific Name Anthriscus cerefolium
Days to Maturity 50 days
Mature Height 12-24"
Spread 9"

☀️ Growing Requirements

☀️

Sun

Partial Shade (3-4 hours)

💧

Water

Moderate (1 inch/week)

↔️

Spacing

9" apart

🌱

Planting Depth

0.25" deep

Seeds typically germinate in 7-14 days

Ready to Plant Chervil in Eagle River?

Get your seeds now so they're ready by Tuesday, April 7, 2026.

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🤝 Good Companions

RadishLettuceBroccoli
🤝

Full Companion Planting Guide for Chervil

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

🛠️ Supplies You'll Need

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🌾 Seed Saving Guide

🟢 Easy
✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Harvest seed heads when dry and light tan — they shatter quickly.

Processing

Cut into a bag, dry briefly, shake to release needle-like seeds.

Seed Viability

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

Pro Tip

Chervil is best sown fresh — seed viability drops significantly after 1 year.

🪴

Raised Bed Planting Guides

A 4×8 bed fits 56 plants of Chervil. See plant counts, spacing grids, and companion pairings for every bed size →

Frequently Asked Questions

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

In Eagle River (Zone 4b), direct sow Chervil outdoors around Tuesday, April 7, 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 Chervil take to grow? +

Chervil typically matures in about 50 days from direct sowing. In Eagle River, that means you can expect harvest around Tuesday, April 7, 2026 plus 50 days.

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

Chervil does best when direct sown outdoors. In Eagle River, sow directly around Tuesday, April 7, 2026.

Other Plants for Eagle River

Growing Chervil in Zone 4b

Chervil (Anthriscus cerefolium) is a popular garden vegetable. In Eagle River, Wisconsin, which is in USDA Hardiness Zone 4b, you should direct sow seeds around Tuesday, April 7, 2026.

Your average last frost date is Tuesday, May 5, 2026. Chervil grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.