When to Plant Parsnip in Elm, Pennsylvania (17521)

Location

Elm, Pennsylvania

ZIP Code

17521

USDA Zone

Last Frost

Friday, April 10, 2026

📅 Your 2026 Planting Dates

Direct Sow Outdoors

Friday, February 13, 2026

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

Pro tip: Sow Parsnip directly outdoors 8 weeks before your last frost date.

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🌿 Plant Details

Scientific Name Pastinaca sativa

Days to Maturity 100 days

☀️ Growing Requirements

☀️

Sun

Full Sun

💧

Water

Regular

Seeds typically germinate in 8-21 days

Ready to Plant Parsnip in Elm?

Get your seeds now so they're ready by Friday, February 13, 2026.

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🤝 Good Companions

Fruit Trees

🤝

Full Companion Planting Guide for Parsnip

See which plants help Parsnip 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

🔴 Difficult

✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Biennial — leave roots in ground over winter and harvest seed umbels in year 2 when tan and dry.

Processing

Cut seed umbels into a bag, thresh and winnow to separate seeds. Sow fresh for best results.

Seed Viability

Up to 1 year when stored cool, dark, and dry.

Pro Tip

Parsnip seed viability drops sharply after 1 year — always sow from the previous summer's harvest.

Frequently Asked Questions

When should I plant Parsnip in Elm, Pennsylvania? +

In Elm (Zone 7a), direct sow Parsnip outdoors around Friday, February 13, 2026.

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

The average last spring frost date for Elm, Pennsylvania (ZIP 17521) is around Friday, April 10, 2026. This is based on NOAA climate normals for USDA Zone 7a.

How long does Parsnip take to grow? +

Parsnip typically matures in about 100 days from direct sowing. In Elm, that means you can expect harvest around Friday, February 13, 2026 plus 100 days.

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

Parsnip does best when direct sown outdoors. In Elm, sow directly around Friday, February 13, 2026.

📚 More Parsnip Planting Guides

🗺️

Parsnip in Pennsylvania

Zone-by-zone breakdown · Full state guide

→ 🌡️

Zone 7a Parsnip Guide

All cities in your zone · Avg dates

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Growing Parsnip in Zone 7a

Parsnip (Pastinaca sativa) is a popular garden vegetable. In Elm, Pennsylvania, which is in USDA Hardiness Zone 7a, you should direct sow seeds around Friday, February 13, 2026.

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