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When to Plant Parsnip in Orleans County, VT

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.

Orleans County, Vermont is in USDA Zone 4a. The average last spring frost is May 13 and the first fall frost is October 4, giving you a growing season of approximately 144 days.

At an elevation of 48 feet, Orleans County receives approximately 49.5 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83ยฐF, so choose short-season varieties of Parsnip to ensure they mature before fall.

Orleans County, VT (Zone 4a) Short season
144 days
Last Spring Frost May 13
144 growing days
First Fall Frost October 4

Orleans County Soil Profile

Soil Type

Silt Loam

Soil pH

5.2-6.5

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✗ May not fit
Transplant: May 8 🍅 Harvest: Aug 21 – Oct 2
Recommended (50%) ✗ May not fit
Transplant: May 13 🍅 Harvest: Aug 26 – Oct 7
Safe Start (90%) ✗ May not fit
Transplant: May 26 🍅 Harvest: Sep 8 – Oct 20

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
1.4″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Parsnip needs ~1,409 GDD — county provides 1,764 GDD Good fit

Parsnip Planting Timeline โ€” Orleans County, VT

Parsnip Planting Calendar

Activity When Date Range
Direct Sow May 6 May 6 โ€“ May 27
Fall Sowing July 12 Jul 12 โ€“ Jul 26
Harvest August 19 Aug 19 โ€“ Sep 30

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

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

100โ€“130 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 4a

Growing Season

144 days

Growing Tips for Orleans County

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

Frequently Asked Questions

When should I plant Parsnip in Orleans County, VT?

Orleans County is in Zone 4a with an average last frost of May 13. Plan your Parsnip planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Orleans County, VT?

Orleans County, Vermont is in USDA Hardiness Zone 4a. The average last spring frost is May 13 and first fall frost is October 4.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Orleans County gardeners in Zone 4a organize planting dates, track what's growing, and never miss a planting window.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Orleans County, VT. Local conditions may vary. Last updated: April 2026.