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When to Plant Parsnip in USDA Zone 2b

Parsnips are a sweet, nutty root vegetable that develops best flavor after exposure to frost. They require a long growing season but reward patient gardeners.

In Zone 2b, the average last spring frost is around May 22 and the first fall frost is around September 10, giving you a growing season of approximately 111 days.

Zone 2b Short season
111 days
Last Spring Frost May 22
111 growing days
First Fall Frost September 10

Parsnip Planting Timeline — Zone 2b

Where Is USDA Zone 2b?

The map below highlights the states that contain Zone 2b. Click any state to see the Parsnip planting schedule for that location.

Prints a clean, ink-friendly version without maps or navigation.

Parsnip Planting Calendar — Zone 2b

Activity When Date Range
Direct Sow May 15 May 15 – Jun 5
Fall Sowing June 18 Jun 18 – Jul 2
Harvest August 28 Aug 28 – Oct 9

Plant 1" deep · 15" apart · Rows 24" apart

Month-by-Month Timeline

MonthActivities
January
February
March
April
May Direct Sow
June Direct Sow Fall Sowing
July Fall Sowing
August Harvest
September Harvest
October Harvest
November
December

Free Zone 2b Planting Calendar PDF

Know exactly when to plant every crop in your zone. Get a printable month-by-month calendar customized for Zone 2b with start dates, transplant windows, and harvest times.

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Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate — regular watering

Days to Maturity

100–130 days

Soil pH

6 – 7

Zone Temperature Range

-45°F to -40°F average annual minimum

Growing Season

111 days (Zone 2b average)

Planting Specifications

Planting Depth1 inches
Plant Spacing15 inches apart
Row Spacing24 inches between rows

Growing Tips for Zone 2b

Use only fresh seed as parsnip seed viability declines rapidly. Sow directly in spring in deeply worked soil. Leave roots in the ground through winter for sweetest flavor.

Companion Planting

Good Companions

Avoid Planting Near

  • Carrots
  • Celery

Level Up Your Garden

Saving Parsnip Seeds

Recommended for Your Garden

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LED Grow Lights $25-60

Full-spectrum LED lights for starting seeds indoors when daylight is limited.

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Seedling Heat Mat $15-35

Warm soil for faster germination of heat-loving crops like tomatoes and peppers.

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Floating Row Covers $12-30

Protect plants from frost, wind, and pests while letting light and water through.

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Frequently Asked Questions

When should I plant Parsnip in Zone 2b?

In Zone 2b, plan your Parsnip planting around the average last frost date of May 22. Direct sow outdoors around May 15.

Can Parsnip grow in Zone 2b?

Yes, Parsnip can grow well in Zone 2b, hardy in USDA zones 2a through 9b. Zone 2b has a growing season of approximately 111 days, which is sufficient for Parsnip (100-130 days to maturity).

When can I harvest Parsnip in Zone 2b?

In Zone 2b, expect to harvest Parsnip from August 28 – October 9. Parsnip takes 100-130 days from planting to harvest.

What is the last frost date for Zone 2b?

The average last spring frost in Zone 2b is around May 22, and the first fall frost is around September 10. This gives a growing season of approximately 111 days. These are 50% probability dates — actual frost dates vary year to year.

What should I plant next to Parsnip?

Good companion plants for Parsnip include Peas, Radish, Lettuce. These companions can help with pest control, pollination, and nutrient sharing.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner — organize your planting dates for Zone 2b, track your crops, and plan your garden season from seed to harvest.

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Free download. Plan your entire garden season in minutes.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals, University Cooperative Extension planting guides. Planting dates are estimates based on average frost dates — local conditions may vary. Last updated: April 2026.