When to Plant Mustard in Lancaster, Pennsylvania (17607)

Location

Lancaster, Pennsylvania

ZIP Code

17607

USDA Zone

Last Frost

Friday, April 10, 2026

📅 Your 2026 Planting Dates

Direct Sow Outdoors

Friday, February 27, 2026

Based on last frost Friday, April 10, 2026 · Zone 7a

Pro tip: Sow Mustard directly outdoors 6 weeks before your last frost date.

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🌿 Plant Details

Scientific Name Brassica juncea

Days to Maturity 56 days

☀️ Growing Requirements

☀️

Sun

Full Sun

💧

Water

Regular

Seeds typically germinate in 1-7 days

Ready to Plant Mustard in Lancaster?

Get your seeds now so they're ready by Friday, February 27, 2026.

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🤝 Good Companions

CabbageCauliflowerRadishBrussel SproutTurnip

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Full Companion Planting Guide for Mustard

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

🛠️ Supplies You'll Need

🪵 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 seed pods just as they turn tan — before they shatter and seeds drop.

Processing

Cut stalks into a bag, thresh to release seeds from pods, winnow lightly.

Seed Viability

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

Pro Tip

Mustard crosses freely within the Brassica family — isolate by 300 feet from other mustard varieties.

Frequently Asked Questions

When should I plant Mustard in Lancaster, Pennsylvania? +

In Lancaster (Zone 7a), direct sow Mustard outdoors around Friday, February 27, 2026.

What is the last frost date for Lancaster, Pennsylvania? +

The average last spring frost date for Lancaster, Pennsylvania (ZIP 17607) is around Friday, April 10, 2026. This is based on NOAA climate normals for USDA Zone 7a.

How long does Mustard take to grow? +

Mustard typically matures in about 56 days from direct sowing. In Lancaster, that means you can expect harvest around Friday, February 27, 2026 plus 56 days.

Should I start Mustard indoors or direct sow in Pennsylvania? +

Mustard does best when direct sown outdoors. In Lancaster, sow directly around Friday, February 27, 2026.

📚 More Mustard Planting Guides

🗺️

Mustard in Pennsylvania

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 7a Mustard Guide

All cities in your zone · Avg dates

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Other Plants for Lancaster

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Growing Mustard in Zone 7a

Mustard (Brassica juncea) is a popular garden vegetable. In Lancaster, Pennsylvania, which is in USDA Hardiness Zone 7a, you should direct sow seeds around Friday, February 27, 2026.

Your average last frost date is Friday, April 10, 2026. Mustard grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.