When to Plant Fennel in Chase Mills, New York (13621)

Location

Chase Mills, New York

ZIP Code

13621

USDA Zone

Last Frost

Tuesday, May 5, 2026

📅 Your 2026 Planting Dates

Start Seeds Indoors

Tuesday, April 7, 2026

Transplant Outdoors

Tuesday, April 21, 2026

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

Pro tip: Start Fennel seeds indoors 4 weeks before your last frost date, then transplant outdoors around Tuesday, April 21, 2026.

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🌿 Plant Details

Scientific Name Foeniculum vulgare

Days to Maturity 80 days

☀️ Growing Requirements

☀️

Sun

Full Sun

💧

Water

Regular

Seeds typically germinate in 7-14 days

Ready to Plant Fennel in Chase Mills?

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

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🤝 Good Companions

Dill

🤝

Full Companion Planting Guide for Fennel

See which plants help Fennel 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

🟢 Easy

✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Harvest umbels when seeds turn gray-green to brown — just before they drop.

Processing

Cut seed heads into a bag, dry 1–2 weeks, thresh to separate seeds.

Seed Viability

Up to 4 years when stored cool, dark, and dry.

Pro Tip

Fennel cross-pollinates with dill — keep at least 300 feet apart or sacrifice one crop when saving seed.

Frequently Asked Questions

When should I plant Fennel in Chase Mills, New York? +

In Chase Mills (Zone 4b), start Fennel seeds indoors around Tuesday, April 7, 2026 and transplant outdoors around Tuesday, April 21, 2026.

What is the last frost date for Chase Mills, New York? +

The average last spring frost date for Chase Mills, New York (ZIP 13621) is around Tuesday, May 5, 2026. This is based on NOAA climate normals for USDA Zone 4b.

How long does Fennel take to grow? +

Fennel typically matures in about 80 days from transplanting. In Chase Mills, that means you can expect harvest around Tuesday, April 21, 2026 plus 80 days.

Should I start Fennel indoors or direct sow in New York? +

Fennel should be started indoors 4 weeks before your last frost date. In Chase Mills, that means starting around Tuesday, April 7, 2026.

📚 More Fennel Planting Guides

🗺️

Fennel in New York

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 4b Fennel Guide

All cities in your zone · Avg dates

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Other Plants for Chase Mills

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Growing Fennel in Zone 4b

Fennel (Foeniculum vulgare) is a popular garden vegetable. In Chase Mills, New York, which is in USDA Hardiness Zone 4b, you should start seeds indoors around Tuesday, April 7, 2026.

Your average last frost date is Tuesday, May 5, 2026. Plan to transplant your Fennel seedlings outdoors around Tuesday, April 21, 2026, about -2 weeks after your last frost date.